ML19095B798

Treatability Study Report for Cimarron Environmental Response Trust

ML19095B798
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Site:	07000925
Issue date:	03/13/2014
From:	Burns & McDonnell
To:	Office of Nuclear Material Safety and Safeguards
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ML19098A186	List: ML19095B790 ML19095B798
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Download: ML19095B798 (71)

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TREATABILITY STUDY REPORT For Cimarron Environmental Response Trust March 13, 2014 INTRODUCTION:

Clean Harbors was contracted by Environmental Properties Management LLC (EPM) to design a water treatment system to remove uranium from groundwater at Cimarron Environmental Response Trust (CERT)-owned site near Crescent, OK. Groundwater contains uranium exceeding site-specific cleanup criteria in two areas: the Western Alluvial Area (WAA) and Burial Area #1 (BA1). Pilot tests were needed to obtain the data necessary to design a water treatment system. Because the groundwater in the WAA areas displays different geochemical characteristics than the groundwater in BA1, it was necessary to conduct separate tests for each source. A treatability study (TS) consisting of two complete treatment trains (one for WAA water and one for BA1 water) was installed at the Cimarron site.

TREATABILITY STUDY (TS) GOALS:

Initially, the objectives of the TS were as follows:

1.

Determine the amount of uranium and nitrate that the vendor-selected resins would adsorb, 2.

Determine the distribution of uranium and nitrate on resin as the resin becomes loaded to its capacity with uranium, and 3.

Determine if nitrate and/or sulfate concentrations in the water stream have an influence on the resins ability to adsorb and hold uranium.

The first attempted TS (Run 1) consisted only of pumping groundwater through anion resin columns at pre-determined rates. Run 1 was terminated when cations present in both groundwater sources plugged the pores in the anion resin beds. It became impossible to maintain specified flow rates, due to the clogging of the resin beds, primarily with calcium and magnesium.

Consequently, the treatment trains were modified to remove the cations from the groundwater prior to running the water through the anion columns. An additional objective was added to the second test (Run 2):

Determine if the cation resin (C-211) can remove sufficient cations from influent water that the anion resin does not plug, without contaminating the cation resin with uranium.

2 Cimarron Environmental Trust Treatability Test Report 3/13/14 Ion Exchange Resins Ion exchange is defined as the exchange of ions of the same charge, between an insoluble solid and a solution in contact with it. In this treatability study, the anion exchange and cation exchange resins act as the insoluble solids, and the source water is the solution.

The Dowex 1 resin is a strong base anion exchange resin which was chosen for its ability to selectively remove the uranium ion. The Dowex resin is in the chloride ion (Cl) form. Uranium typically exists in natural waters as either a negatively charged divalent (UO2(CO3)2) -2 or tetravalent (UO2(CO3)3) -4 uranyl carbonate complex. So in the ion exchange process, each divalent uranyl carbonate will exchange for 2 Cl ions from the resin, and each tetravalent for 4 Cl ions coming from the resin.

The Siemens C-211 cation exchange resin (CSO) is a strong acid cation resin, chosen for its ability to remove a wide range of cations. The CSO resin is represented by the chemical formula R-SO3Na with R representing the polymeric makeup of the IX resin. Ca and Mg exist in wastewaters typically as the divalent ions Ca+2 and Mg+2. The exchange reactions with both Ca and Mg are represented by the following:

2R-SO3Na + Ca+2 (R-SO3)2Ca + 2Na+

2R-SO3Na + Mg+2 (R-SO3)2Mg + 2Na+

General Process Description The TS involved a multi-step treatment process. Each treatment train was equipped with an 11.25 cubic foot cation resin bed, used to remove cations (mostly calcium and magnesium) from each of the two sources. The size of the cation vessels was chosen strictly for the purpose of being able to process larger quantities of water at a reasonable flow rate. This eliminated trips between the source area and the TS, which was approximately 1-1/2 miles away. The optimal flow rate for this size vessel is between 4.8 and 22.4 gallons per minute (gpm). The minimum rate (4.8 gpm) was based on the maximum hydraulic loading.

Flow rates within the vessel must meet a certain minimum in order to prevent channeling in the media, which could cause incomplete contact time and inadequate removal of cations. Flow rates are also limited to a certain maximum flow rate based on the volume of the media within the vessel, and a media-specific contact time between the solution and the media. This is the empty bed contact time (EBCT). The upper flow rate for the cation vessels was 22.4 gpm, based on the minimum EBCT of 3.75 minutes for the cation resin. A higher flow rate would force the water through the resin bed too quickly, preventing adequate contact time for chemical reaction to take place for cation exchange. During the TS, the actual flow through the cation beds ranged between 16 and 18 gpm. Water treated through the cation bed continued on to a 2,500 gallon storage tank dedicated to each source. One tank was labeled WAA INFLUENT TANK

3 Cimarron Environmental Trust Treatability Test Report 3/13/14 and other was labeled BA1 INFLUENT TANK. A photo of the cation column assembly is found as.

The next step in the TS process was designed specifically for the treatment of uranium from the two sources using anion resin columns. One separate set of anion resin columns was assembled / dedicated to each source. Each set of anion columns consisted of 6 separate 2 diameter x 12 long PVC cylinders, labeled Inf, A, B, C, D, and E.. The 6 columns were plumbed in series, so water would pass through (top-in, bottom-out) all 6 columns starting with the INF cylinder. A fabric filter was placed in the bottom of each column, and Columns A, B, C, D, and E were then filled with Dowex-1 anion resin. The INF cylinder was not loaded with resin, as this column served as a sort of shock absorber due to pressures generated by the piston driven injection pump. Columns A-E were all fully loaded with the anion resin. A photo of the column assembly is found as Attachment 5.

This relatively small size column was chosen in order to keep the quantity of resin tested to a minimum.

With the high anticipated adsorption capacity of the anion resin, larger columns would have taken months to reach saturation. The resin column size was kept to a minimum so that media usage rates could be observed more quickly, and so that the duration of the TS could be shortened. The optimal flow rate for this size column is between.04 (2.4 gallons per hour -gph) and.17 gpm (10.2 gph). The minimum rate is based on the maximum hydraulic loading, and the upper flow rate being based on the minimum empty bed contact time (EBCT) of 3.75 minutes for the anion resin. The actual flow rate through the anion columns during the TS was.15 gpm. The 6 columns were plumbed in series, with water passing through (top-in, bottom-out) all 6 columns starting with the INF cylinder.

Water samples were collected throughout the TS to track the removal of ions from both resin types. At the completion of the test, all resin was tested to determine the quantities and types of removed ions from both sources. The detailed procedures and results of the TS are discussed below.

Specific TS Process Procedures The following is a more detailed step-by-step description of the process used for treating both source waters through the cation and anion resins:

1. WAA source water was collected from monitor well T-62. BA1 source water was collected from monitor well 02W32. Water was collected from each source individually, and transferred via a portable 300-gallon water tank.

2. To minimize the potential for bio-fouling in the cation resin, water contained within the portable tank was dosed with chlorine, until a.5 ppm residual chlorine concentration was achieved. This process was repeated for each source area, each time the tank was filled. See Attachment 1 Treatability Test Water Transfer Procedure dated 7/14/2013.

3. After chlorine dosing, water from the portable tank was transferred (by centrifugal pump) through the cation resin beds. Each of the two vessels was loaded with C-211 cation resin, to capture cations

4 Cimarron Environmental Trust Treatability Test Report 3/13/14 that would otherwise enter the anion resin system. The flow rate through the cation beds ranged between 16 and 18 gpm. Water treated through the cation bed continued on to a 2,500 gallon storage tank dedicated to each source. One tank was labeled WAA INFLUENT TANK and other was labeled BA1 INFLUENT TANK.

4. Following cation removal, water from each source tank was then processed through the respective set of anion resin columns. Groundwater from the WAA INFLUENT TANK was pumped through the WAA test columns at a nominal.15 gpm using a dedicated piston-driven injection pump.

Groundwater from the BA1 INFLUENT TANK was pumped through the BA1 test columns at a nominal 0.15 gpm using a separate piston-driven injection pump. Once treated through the anion columns, the effluent from both test columns was discharged into a 5,000-gallon COMBINED EFFLUENT TANK.

5. Each resin column was fitted with sample ports located on the bottom of each test column. To monitor the uranium and nitrate concentrations passing through each resin bed, water samples were collected from each individual resin column (in each treatment train). Samples were collected on a routine basis so that concentrations passing into and out of each column could be tracked over time. The results of these analyses were used to determine when the cation and anion resin beds approached saturation. Water samples were collected according to procedures outline in Treatability Test Water Sampling Procedure dated 7/14/2013. The test was intended to continue in both treatment trains until the uranium concentration in the sample collected from Port BA1-D exceeded 5 g/l. This threshold was chosen in order to prevent the discharge of untreated water through the system; as long as the effluent from Column D was less than 100 ug/l, the resin in Column E would absorb the remaining uranium, ensuring that contaminated water would not be sent from the test columns to the resin tank. Once 5 ug/l was detected, a final round of water samples from each column was to be collected, along with water samples from the influent and effluent tanks.

Analytical data from cation bed water testing is summarized in Tables 1 and 2. Anion column water test results are summarized in Tables 3 and 4. These data were evaluated to determine if the objectives outlined above had been achieved. A detailed discussion of the test results is provided in the Results section of this report.

6. Once the water treatment portion of the TS was complete, the next step in the process was the collection of resin samples. Samples were collected from the cation resin to determine the amount of cations captured by the cation resin, as well as to see if the cation resin also captured any uranium. Samples of the anion resin were also collected to quantify the amount of uranium captured by the anion resin. One critical factor in determining the amount of uranium captured by the anion resin was deciding when to end the flow of water to the system. This is because the resin is loaded to maximum capacity when influent concentrations are equal to effluent concentrations.

If influent concentrations > effluent, then the resin is not yet saturated. If influent concentrations <

effluent, then uranium is likely to be desorbing from the resin. Resin samples were collected according to Attachment 3 - Resin Sampling Procedures. Analytical data from cation and anion resin testing is summarized in Table 5. These data were evaluated to determine if the objectives outlined above had been achieved. A detailed discussion of the test results is provided in the Results section of this report.

5 Cimarron Environmental Trust Treatability Test Report 3/13/14 TS Equipment Performance During routine operation of the TS, the system apparatus experienced three occasions of equipment malfunction. Each incident is described below:

Run 1 of the TS started on February 23, 2013, with the use of the anion resin only. Cation resin was not included in the initial design of the system since the impact of cations on the system was not yet known. Sixteen days into the TS, (on March 12, 2013) an equipment malfunction resulted from the buildup (scale) of cations on the anion resin. The scaling fouled the anion resin, resulting in a flow restriction in the anion resin beds. That in turn caused excessive pressure. Eventually some columns started to leak and the TS was terminated. The process was not operating in a way that would be safe and provide usable data. The system was re-designed to incorporate a cation resin to prevent scaling. The incident is covered in greater detail in the NOD dated 4/4/13. Due to the fact that this initial startup of the TS lasted only 16 days before it required permanent shutdown, analysis result from water testing during this period are not considered to be useful in evaluating the anion resin, or the overall results of the TS. Therefore none of the data collected from these first two days of the TS are discussed in the Results portion of this report. A re-design of the system was initiated in the months of April - June of 2013. It was concluded that cation resin beds would be needed for the removal of the calcium and magnesium that fouled the anion resin. The cation beds were installed upstream of the anion beds, and the TS was re-started on 7/26/13.

Run 2 of the TS, which incorporated both cation and anion resins, started on 7/26/13. During a routine system maintenance visit on 8/9/13 water was observed to be spraying from a crack located in the base-cap of column WAA-INF. The water was creating a relatively fine mist, similar to the mist produced by a spray bottle, and the water mist was falling both inside and outside the containment on the floor. The system was immediately shut down. The leak was repaired by removing and re-tightening the threaded cap on the column. The TS was re-started on 8/16/13 after the entire system was inspected and repairs were made. During this time, only the WAA treatment train was shut down. This is why for the BA1 columns, Day 14 is 8/9 and Day 21 is 8/16, whereas for the WAA columns Day 14 is 8/16 and Day 21 is 9/3 (after another shut down). The incident is covered in greater detail in the NOD dated 8/9/13.

During a routine site visit on 8/23/13, the TS system as found to be shut down due to a malfunction of a float switch in the influent tank. In addition, the cap on BA1 assembly had cracked, releasing approximately 1.5 inches of water into the containment. The test was shut down for 10 days during which time the area was cleaned, the column fixed, and additional measures were taken to upgrade the system containment. The incident is covered in greater detail in the NOD dated 8/26/13.

As discussed above, the second run of the TS experienced two occasions where it was necessary to shut the system down for repairs and data evaluation. As a result, water within the columns would have become stagnant. A common result of this stagnation would be the desorption of components from the resin into the surrounding water, causing a non-representative increase in concentrations. In order to

6 Cimarron Environmental Trust Treatability Test Report 3/13/14 avoid faulty data upon system re-start, in both cases the entire system was purged of a minimum of 20 pore volumes prior to the next round of sampling.

Discussion of TS Goals & Test Results The following discussion will address each of the 4 goals listed below for the TS:

Determine the amount of uranium and nitrate that the vendor-selected resins can adsorb:

Under normal conditions, the Dowex 1 anion resin has an affinity for both U and Nitrate. And under normal conditions we would expect the effluent concentrations to reflect this. First by showing non-detect in the effluent, then steadily rising concentrations as the resin becomes saturated with either or both. On some occasions however we have observed effluent concentrations of U being above influent concentrations.

And we have observed that nitrate was not captured at all by the anion resin. Both situations are discussed below.

It is possible to see effluent concentration of Uranium exceed the influent concentrations and this was observed on 10/22/13 in the BA1 setup. On that day influent U concentrations (going into column A) were 4,310 ug/l while the effluent concentrations (coming out of column A) were 5,210 ug/l. This indicates that the resin in column A is spent with respect to uranium and that previously adsorbed uranium is being displaced by another ion - likely sulfate in this case (discussed below). The resin has a high affinity for the uranium anion but on an equivalent basis, and assuming uranium exists as divalent uranyl carbonate, the sulfate:uranium ratio is approximately 40:1. This ratio is verified through analytical data for BA1, where the average influent concentration of sulfate is 176,000 ug/l, and the average influent U concentrations are 4,500 ug/l. The large disparity between the two resulted in the resin eventually preferring sulfate over the uranium once the column is fully loaded with both ions.

On the same subject, it appears that the resin in BA columns and in WA columns both became saturated with uranium around Day 21. On the surface we would expect that the greater U loading from BA1 vs WAA would result in the resin from BA1 to become saturated first. However again the sulfate:uranium ratio plays a factor. Both were flowing at the same rate of 9 gph, yet the uranium concentration in the WAA influent was only 6% of the uranium concentration in the BA1 influent. And the other constituents are also lower in concentration in the influent. On an equivalent basis the BA1 source shows a sulfate:uranium ratio of approximately 40:1 whereas the WAA source shows a ratio of 426:1. Since sulfate is the only major competition for the uranium on the anion resin and since loading is an equilibrium-controlled process you will see less U loading (and consequently throughput) from WAA than might be expected.

The same is happening with nitrate. The nitrate would be taken up initially by the anion resin, but the large concentration of sulfate (similar to the previous point) has quickly displaced the nitrate and the result is "influent nitrate = effluent" after a relatively short time frame. This is supported by the nitrate data for both sources, as shown on Tables 3 and 4.

7 Cimarron Environmental Trust Treatability Test Report 3/13/14 Determine if nitrate and/or sulfate concentrations in the water stream have an influence on the resins ability to adsorb and hold uranium.

Nitrate is not being captured by the anion resin due to the resins preference for the high concentrations of sulfate that exist in the water. Instead, sulfate has proven to be a larger factor (than nitrate) in the resins ability to hold uranium. As mentioned above, sulfate will cause uranium to desorb once the resin is saturated.

One important factor in determining the amount of uranium captured by the anion resin was deciding when to end the flow of water to the system. It was found during the test that uranium will desorb from the resin after the resin is saturated with uranium, if we continued to flow water through a saturated column. This is due to the high concentrations of sulfate that bump the uranium, just as it did with nitrate. (Referencing again the 10/22 BA1 data as an example). So it became important to stop flow to the system when we anticipated that the resin (in various columns) would reach peak saturation. After the test was terminated on 9/3/13, it was decided that the test should resume for another week so that resin samples could be collected when individual columns were closest to peak saturation for uranium. The final stage of the TS was run between 10/17 and 10/23/13.

During this time period, water samples were collected daily (instead of weekly) in order to pinpoint when peak uranium saturation was reached in individual columns (inf = eff). This occurred most closely in the BA1 columns B & C. For column B, the influent uranium concentration was 6,380 ug/l and the effluent was 5,430 ug/l. For column C, the influent uranium concentration was 5,430 ug/l and the effluent was 3,970 ug/l. Neither were ideal for inf = eff, however both represent a conservative example since the resin had not yet reached saturation. Other BA1 samples had not reached saturation as closely and therefore would not have been as reliable.

Determine the distribution of uranium and nitrate on resin as the resin becomes loaded to its capacity with uranium:

The results of the water testing indicated that column BA1-A and BA1-B were closest to reaching peak saturation with respect to uranium. The results of radiological testing of the anion resin from B1A-A showed 127,270 pCi/g of total uranium. The BA1-B column showed 104,950 pCi/g of total uranium. There are two factors that would suggest that the adsorption capacity of the anion resin is greater than this analytical suggests. First, there was a 60 day delay between the termination of the TS and when the resin samples were analyzed. And during that time, it is likely that uranium had desorbed into the pore water within the sample, and therefore had decreased the amount of uranium held in the resin. Secondly, according to the water sampling data neither of these columns reached saturation.

Determine if the C-211 cation resin can remove cations from water stream, without becoming contaminated with uranium.

The C-211 cation resin was the first stage of water treatment in the TS system. It was used specifically to remove the cations (mostly calcium and magnesium) that were suspected of causing the scaling of anion

8 Cimarron Environmental Trust Treatability Test Report 3/13/14 resin in the initial round of the study. All influent and effluent samples were analyzed for calcium, chloride, magnesium, potassium, sodium, sulfate, and uranium. All analytical results from cation water analyses are summarized in the Tables 1 and 2.

The cation resin was successful at removing approximately 99.8 % of the calcium entering the system from the WAA source. Average Ca influent concentrations were 133,000 ug/l, while average effluent concentrations were 227 ug/l. The cation resin was also successful at removing 99.8 % of the Ca in the BA1 source. Average Ca influent concentrations for BA1 were 166,333 ug/l, while average effluent concentrations were 339 ug/l. The cation resin was also successful at removing magnesium. Average Mg influent concentrations were 52,333 ug/l, while effluent concentrations remained non-detect throughout the test. Average influent concentrations of Mg in the BA1 source were 80,100 ug/l, while effluent concentrations also remained ND throughout the test. The high removal rates for both Ca and Mg were reflected in the positive performance of the TS system. Once the cation resin was incorporated into the system, no flow restrictions or pressure increases (previously see from fouling) were observed.

The cation resin also removed approximately 93 % of the potassium from both sources. The cation resin did not show any success in the removal of chloride or sulfate, as the influent and effluent concentrations of both of these cations remained essentially the same. Sodium concentrations actually increased, when comparing influent vs effluent concentrations because the Na ion desorbs from the Na-based resin as other cations with a greater affinity for the resin are absorbed.

One of the key questions regarding the performance of the cation resin was will it also capture uranium, and to what degree ? When comparing influent vs. effluent U concentrations in water samples from both sources, the cation resin removed approximately 2-3 % of the influent U. The cation resin itself was analyzed for U-234, U-235, and U-238. The activity of U-235 and U-238 in the cation resin were ND. The U-234 concentration on the resin was less than 2 pCi/g. This is well below the volumetric activity limit of 30 pCi/g, which makes the resin releasable for unrestricted use, and suitable for disposal at a Class D landfill.

However, the degree to which the cation resin is spent cannot be confirmed, since at the end of the TS the resin was still capturing 100 % of the magnesium and 98 % of the calcium coming in.

Evaluation of Uranium for Potential Recovery Although the evaluation of technetium-99 and several transuranic concentrations for potential uranium recovery was not included in Clean Harbors scope of work, the treatability test provided resin samples which could be analyzed for this purpose. Six resin samples were analyzed for americium-241, neptunium-237, plutonium-238, plutonium-239/240, and technetium-99 activity. The data obtained for technetium-99 and these transuranic isotopes indicated that contamination of the resin with these elements will NOT present a problem for uranium recovery. However, the degree of saturation of the resin, which will be a function of flow rate and resin bed size, may yet make uranium recovery unfeasible. A copy of the radiological testing data for resin is included as Table 6.

9 Cimarron Environmental Trust Treatability Test Report 3/13/14 Final System Design Based on the above summary of the Treatability Study results, the test has provided the data needed for design of a full scale system for removal of uranium, cations, and nitrate from site groundwater. The data demonstrates that the anion resin is successful at removing uranium from both sources. And that the anion resin is likely to have a higher adsorption capacity than the data shows. The results of the TS have also shown that the presence of sulfate in both sources prevents the anion resin from capturing nitrate. So the most likely scenario in the full scale treatment system is that nitrate would be treated by an entirely different process after anion adsorption of the uranium. During full scale treatment, the system monitoring program must be designed so that sulfate and uranium concentrations are watched closely.

The right sampling program (frequency) will provide the data needed to ensure that maximum adsorption of uranium on the resin is achieved, and that uranium is not bumped by sulfate from the resin.

The sizing of the equipment selected for the TS was specific to this experiment. This equipment sizing will not necessarily translate into the design for the permanent system. Resin bed sizes used in the TS were designed to meet the proper contact times required for both the anion and cation resins, so that accurate representative data would be achieved and this goal was met. However site logistics and test duration were also considered in the design of the TS setup. There is no correlation between the size ratio of the cation beds vs the anion beds in the TS setup, that would extend to the full scale design. As with any other treatment system using media beds, equipment sizing will be based on anticipated flow rates, contaminant concentrations, and required contact times for media. Once the expected flow rates and contaminant concentrations are established, the final system design will focus on contaminant removal efficiency while meeting the requirements of site permits. The final design will also incorporate all the necessary fail-safe devices such as pressure and temperature alarms, level controls, and secondary containments to ensure that the system operates safely and continuously.

An important part of the system safeguards will be the installation of a recirculation loop. As discussed above, when this type of water treatment system experiences down time, contaminants can desorb from the media and into the surrounding pore water. Once the system is restarted, high concentrations of uranium in the pore water would therefore continue on to the lag vessel. An instantaneous high-concentration slug could conceivably overwhelm the lag vessel, and continue to the discharge untreated.

By installing a recirculation loop, stagnant water within the system can be manually recycled so that it receives the proper contact with the resin. Once this is accomplished, the recirculation loop would be bypassed and then normal system operation would resume.

Attachments and Tables:

- Treatability Test Water Transfer Procedure

- Treatability Test Water Sampling Procedure

- Resin Sampling Procedures

- Cation Column Photo

- Anion Column Photo Table 1 - BA1 Cation Bed Water Sample Analysis Results Table 2 - WAA Cation Bed Water Sample Analysis Results Table 3 - BA1 Anion Column Water Sample Analysis Results Table 4 - WAA Anion Column Water Sample Analysis Results Table 5 - Cation and Anion Resin Sample Analysis Results - Chemical Table 6 - Cation and Anion Resin Sample Analysis Results - Radiological

- Treatability Test Water Transfer Procedure

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-119 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Transfer Procedure Page 1 of 6 Reviews and Approvals Prepared by: Bradley Brittain Signature:

Date:

7/14/2013 Reviewed by Quality Assurance Coordinator: A. Joseph Nardi Signature:

Date:

Approved by Subject Matter Expert: Joe Foster, Enercon Services Signature:

Date:

7/14/2013

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-119 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Transfer Procedure Page 2 of 6

1.

PURPOSE The purpose of this procedure is to establish a protocol for collection and transfer of water for the water treatment test.

2.

RESPONSIBILITY 2.1.

Activity Leader 2.1.1.

Responsible for ensuring that personnel collecting and transferring water are qualified to do so.

2.1.2.

Responsible for specifying the locations water is to be collected.

2.1.3.

Responsible for establishing data quality objectives.

2.1.4.

Responsible for review and approval of data.

2.2.

Subject Matter Expert 2.2.1.

Responsible for approval of this procedure and subsequent modifications.

2.3.

Water Collection Personnel 2.3.1.

Responsible for reviewing and understanding this procedure.

2.3.2.

Responsible for collecting and transferring of water.

2.4.

The Quality Assurance Coordinator or Designee 2.4.1.

May conduct an observation of the performance of the work to ensure conformance with this procedure.

2.4.2.

Responsible for reviewing documentation of variance (and approval of variance) from this procedure.

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-119 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Transfer Procedure Page 3 of 6 2.5.

Health Physics Technician 2.5.1.

Responsible for performing radiation protection monitoring during collection and transfer of water, if deemed necessary by the RSO.

3.

EQUIPMENT AND MATERIALS 3.1.

Water transfer trailer (300 gallon tank, hoses, transfer pump) 3.2.

Grundos Redi-Flo 2 pump 3.3.

Generator 3.4.

Water level meter 3.5.

Calibrated 5-gallon buckets with lids 3.6.

Clorox bleach 3.7.

Chlorine test strips 3.8.

pH meter 3.9.

Muriatic acid 3.10. 1000 gallon AST 3.11. Clean sampling buckets 3.12. Sample containers 3.13. Sampling pump 3.14. Filters 3.15. Decontamination equipment 3.16. Health physics instruments

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-119 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Transfer Procedure Page 4 of 6 3.17. Vinyl, nitrile, or latex gloves

4.

WATER COLLECTION 4.1.

Water for the treatment tests will be collected from wells specified in the activity plan.

4.2.

Water will be pumped using a Grundos Redi-Flo pump. Collect water in the 300 gallon tank located on the water transfer trailer. Transfer approximately 900 gallons of water to the 1000-gallon AST.

4.3.

After water has being transferred, collect five (5) gallons of water in a bucket.

4.4.

Add 1 mL of bleach to the 5 gallons of water and mix lightly. Allow the sample to stand for 30-60 minutes out of direct sunlight.

4.5.

Using the chlorine test strips, test for residual chlorine. If no chlorine is detected, add an additional 1 mL of bleach.

4.6.

Repeat step 4.4 and 4.5 until residual chlorine is detected. Record volume of bleach added and measured chlorine values on Attachment A of this procedure.

4.7.

Once residual chlorine is measured, subtract the measured value of chlorine from the total quantity of chlorine added to the sample. This is the chlorine demand. Use the following chart to determine the amount of bleach to add to the 1,000 gallon tank.

Measured Chlorine Demand (ppm)

Dosage of Bleach (mL) 0.05 3.6 0.1 6.0 0.2 9.9 0.4 18.0 0.6 27.0 0.8 36.0 1.2 54.0

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-119 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Transfer Procedure Page 5 of 6 1.5 66.0 2.0 87.0 2.6 111.0 4.0 171.0 6.0 258.0 4.8.

Measure the pH of the chlorinated water. If pH is between 5-7 standard units, pH adjustment is not necessary.

4.9.

If pH is greater than 7, add muriatic acid at a ratio of 1:3 to the volume of bleach added.

4.10. Re-test pH. If pH remains above 7, repeat step 4.8 until pH is between 5-7 standard units.

4.11. Pump water from the 1,000 gallon AST through the appropriate cation resin column. Use the flow meter and ball valve to ensure that flow through the cation resin columns remains between 4.8 and 22.4 gallons per minute.

4.12. Cation column influent and effluent samples will be collected according to the Activity Plan. Samples will be collected from sampling ports located at the top (influent) and bottom (effluent) of the resin columns.

4.13. Prior to entry into the restricted area, all trained personnel will complete of the activity plan.

4.14. Using a clean bucket, collect approximately 1.5 gallons of water from the effluent port on the cation resin column.

4.15. Connect a filter to the sampling pump. Typically, 0.45 micron filters are used.

Collect samples for radiological analyses first, then collect unfiltered samples.

4.16. Preserve the samples as necessary and place them immediately in a cooler on ice (note: samples requiring radiological analyses are not typically cooled).

4.17. Collect a smear for each sample container and filter prior to removal from the restricted area.

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-119 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Transfer Procedure Page 6 of 6 4.18. Repeat Steps 4.14-4.17 for the influent port.

4.19. Prior to leaving the restricted area, personnel will frisk hands and feet.

4.20. Frisk material or equipment that is being removed from the restricted area, recording the results on Form RP-40. If direct alpha or beta measurements exceed removable contamination limits, collect a smear for the area yielding elevated activity.

4.21. Place any material that cannot be surveyed for release in a container reserved for potentially contaminated material.

4.22. Enter the appropriate information on the chain of custody form in accordance with SAP-111, "Sample Identification and Control."

4.23. Package and ship the samples in accordance with SAP-112, Sample Packaging and Shipping.

- Treatability Test Water Sampling Procedure

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-117 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Sampling Page 1 of 5 Reviews and Approvals Prepared by: Bradley Brittain Signature:

Date:

7/14/2013 Reviewed by Quality Assurance Coordinator: A. Joseph Nardi Signature:

Date:

Approved by Subject Matter Expert: Joe Foster, Enercon Services, Inc.

Signature:

Date:

7/14/2013

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-117 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Sampling Page 2 of 5

1.

PURPOSE The purpose of this procedure is to establish a protocol for collecting water samples from treatability test columns for laboratory analysis.

2.

RESPONSIBILITY 2.1.

Activity Leader 2.1.1.

Responsible for ensuring that personnel collecting samples are qualified to do so.

2.1.2.

Responsible to ensure that sample bottle labels and chain of custody forms comply with the requirements of Sampling and Analysis Plan procedures and the activity plan.

2.1.3.

Responsible for establishing data quality objectives.

2.1.4.

Responsible for review and approval of data.

2.2.

Subject Matter Expert 2.2.1.

Responsible for approval of this procedure and subsequent modifications.

2.3.

Sample Collection Personnel 2.3.1.

Responsible for reviewing and understanding this procedure.

2.3.2.

Responsible for collection and packaging of samples.

2.4.

The Quality Assurance Coordinator or Designee 2.4.1.

May conduct an observation of the performance of the work to ensure conformance with this procedure.

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-117 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Sampling Page 3 of 5 2.4.2.

Responsible for reviewing documentation of variance (and approval of variance) from this procedure.

2.5.

Health Physics Technician 2.5.1.

Responsible for performing radiation protection monitoring during sampling, packaging, and shipping of samples, if deemed necessary by the RSO.

3.

EQUIPMENT AND MATERIALS 3.1.

Sample containers as per the Sampling and Analysis Plan 3.2.

Sample bottle labels 3.3.

Tubing 3.4.

Filters 3.5.

Applicable decontamination equipment 3.6.

Paper towels 3.7.

Applicable safety equipment 3.8.

Instruments 3.9.

Vinyl, nitrile, or latex gloves 3.10. Chain of Custody form 3.11. Indelible marking pen

4.

WATER SAMPLE COLLECTION - ALL SAMPLES 4.1.

Water samples will be collected from sample valves located on the bottom of the test columns.

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-117 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Sampling Page 4 of 5 4.2.

Collect dose rates for both Burial Area #1 and Western Alluvium Area test banks at approximate chest-high level near the test columns. Record these values on Attachment 1 of the Activity Plan. All trained personnel entering the restricted area will complete the Sign in/Sign out portion of Attachment 1.

4.3.

Label a filter for each test column with sample location ID and the date.

4.4.

Use flexible tubing to attach filters to the bottom of each test column. Filters used are typically 0.45 micron.

4.5.

Begin sampling from the E column of each test bank.

4.6.

When filtered samples are collected, close the valve and carefully remove the filter from the tubing. Used filters will be collected in designated containers within the restricted area.

4.7.

Collect required unfiltered samples from the E column.

4.8.

Throughout out the process, try to minimize spillage of water from the sample ports.

4.9.

Continue the sampling process with the D, C, B, and A columns.

4.10. Preserve the sample as necessary and place it immediately in a cooler on ice (note: samples requiring radiological analyses are not typically cooled).

4.11. Prior to leaving the restricted area, personnel will frisk hands and feet.

4.12. Collect a smear for each sample container prior to removal from the restricted area.

4.13. Frisk material or equipment that is being removed from the restricted area, recording the results on Form RP-40. If direct alpha or beta measurements exceed removable contamination limits, collect a smear for the area yielding elevated activity.

4.14. Place any material that cannot be surveyed for release in a container reserved for potentially contaminated material.

4.15. Enter the appropriate information on the chain of custody form in accordance with SAP-111, "Sample Identification and Control."

Cimarron Environmental Response Trust Cimarron Site Sampling and Analysis Procedure Document No. SAP-117 Rev. 0 Effective date: 7/14/2013 Treatability Test Water Sampling Page 5 of 5 4.16. Package and ship the samples in accordance with SAP-112, Sample Packaging and Shipping.

- Resin Sampling Procedures

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page1of7

Reviews and Approvals Prepared by: Bradley Brittain, Enercon Services Signature:

Date:

Reviewed by Quality Assurance Coordinator: A. Joseph Nardi, Enercon Services Signature:

Date:

Reviewed by Radiation Safety Officer: Jay Maisler, Enercon Services Signature:

Date:

Approved by Subject Matter Expert: Joe Foster, Enercon Services Signature:

Date:

12/11/13 Todd S Brautigam for Jay Maisler

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page2of7

1.

PURPOSE The purpose of this procedure is to establish a protocol for collecting resin samples from treatability test columns and cation resin beds for laboratory analysis.

2.

RESPONSIBILITY 2.1.

Activity Leader 2.1.1.

Responsible for ensuring that personnel collecting samples are qualified to do so.

2.1.2.

Responsible to ensure that sample bottle labels and chain of custody forms comply with the requirements of Attachment 5e, Sampling Schedule for Activity Plan 2013-04 and the activity plan.

2.1.3.

Responsible for establishing data quality objectives.

2.1.4.

Responsible for review and approval of data.

2.2.

Subject Matter Expert 2.2.1.

Responsible for approval of this procedure and subsequent modifications.

2.3.

Sample Collection Personnel 2.3.1.

Responsible for reviewing and understanding this procedure.

2.3.2.

Responsible for collection and packaging of samples.

2.4.

The Quality Assurance Coordinator or Designee 2.4.1.

May conduct an observation of the performance of the work to ensure conformance with this procedure.

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page3of7

2.4.2.

Responsible for reviewing documentation of variance (and approval of variance) from this procedure.

2.5.

Health Physics Technician 2.5.1.

Responsible for performing radiation protection monitoring during sampling, packaging, and shipping of samples, if deemed necessary by the RSO.

3.

EQUIPMENT AND MATERIALS 3.1.

Sample containers as per Attachment 5e, Sampling Schedule, for Activity Plan 2013-04 3.2.

Sample bottle labels 3.3.

Hand tools (wrenches, sockets, screwdrivers, etc.)

3.4.

Hand auger 3.5.

Plastic bucket(s) 3.6.

Plastic baggies 3.7.

Applicable decontamination equipment 3.8.

Health physics instruments 3.9.

Paper towels 3.10. Applicable safety equipment 3.11. Vinyl, nitrile, or latex gloves 3.12. Chain of Custody form 3.13. Indelible marking pen

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page4of7

3.14. Garbage bags

4.

TREATABILITY COLUMN RESIN SAMPLE COLLECTION 4.1.

Resin samples will be collected from the individual media columns located on the treatment test rack.

4.2.

Prior to entering the restricted area personnel should don gloves. If physically entering the containment, booties should be worn as well.

4.3.

Ensure that all water flow is stopped and resin columns are no longer under pressure.

4.4.

Collect dose rates for both Burial Area #1 and Western Alluvium Area test banks at approximate chest-high level near the test columns. Record these values on Attachment 1 of the Activity Plan, as well as on Form RP-40. All trained personnel entering the restricted area will complete the Sign in/Sign out portion of Attachment 1.

4.5.

Following entry into the restricted area, drain residual free water in the resin columns using the sampling valves. Collect the water using a bucket.

4.6.

Begin disassembly of the inlet and outlet tubing of the test columns. Ensure that any residual water in the tubing is captured in the bucket.

4.7.

Once the tubing has been disconnected, removed the individual resin columns from the test rack.

4.8.

Remove the end caps from the inlet (top) side of the first resin column. Pour the resin from the column into a labeled plastic baggie. The resin may be calcified and will need to be removed using a spatula or screwdriver.

4.9.

After the resin has been removed from the column, thoroughly homogenize the resin in the plastic baggie.

4.10. Fill the sample container with the resin, and label appropriately. Ensure that samples collected for radiological analysis are compacted and fill at least 90%

of the sample bottle, unless the column contains insufficient resin. Review

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page5of7 h, Sampling Schedule, to Activity Plan 2013-04 to ensure the proper containers are used.

4.11. Place sample containers in a cooler. Samples collected for radiological analysis do not need to be placed on ice.

4.12. Decontaminate sampling equipment between samples as specified in SAP-107 4.13. Repeat steps 4.7 through 4.11 for the remaining columns.

4.14. Prior to leaving the containment area, personnel will frisk hands and feet.

4.15. Frisk material or equipment that is being removed from the restricted area, recording the results on Form RP-40. If direct alpha or beta measurements exceed removable contamination limits, collect a smear for the area yielding elevated activity.

4.16. Place any material that cannot be surveyed for release in a container reserved for potentially contaminated material.

4.17. Enter the appropriate information on the chain of custody form in accordance with SAP-111, "Sample Identification and Control."

4.18. Package and ship the samples in accordance with SAP-112, Sample Packaging and Shipping.

5.

CATION BED RESIN SAMPLE COLLECTION 5.1.

Resin samples will be collected from the individual cation resin beds.

5.2.

Prior to entering the restricted area personnel should don gloves and booties.

5.3.

Ensure that all water flow is stopped and resin columns are no longer under pressure.

5.4.

Collect dose rates for both Burial Area #1 and Western Alluvium Area resin beds at approximate chest-high level near the fiberglass reinforced tanks.

Record these values on Attachment 1 of the Activity Plan, as well as on Form

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page6of7

RP-40. All trained personnel entering the restricted area will complete the Sign in/Sign out portion of Attachment 1.

5.5.

Following entry into the restricted area, drain residual free water in the resin beds using the sampling valves. Collect the water using a bucket.

5.6.

Begin disassembly of the inlet connection on each resin bed. Remove the inlet connection and flow disperser.

5.7.

Using a hand auger, collect a resin sample from the top six (6) inches of the first resin bed. Pour the resin from the column into a labeled plastic baggie and thoroughly homogenize the resin.

5.8.

Fill the sample container with the resin, and label appropriately. Ensure that samples collected for radiological analysis are compacted and fill at least 90%

of the sample bottle, unless the column contains insufficient resin. Review h, Sampling Schedule, to Activity Plan 2013-04 to ensure the proper containers are used.

5.9.

After collecting the initial sample, use the hand auger to collect additional aliquots throughout the entire thickness of the resin bed. Collect these aliquots in a plastic bucket.

5.10. Once the aliquots are collected, thoroughly homogenize the resin.

5.11. Fill the sample container with the resin, and label appropriately. Ensure that samples collected for radiological analysis are compacted and fill at least 90%

of the sample bottle, unless the column contains insufficient resin. Review h, Sampling Schedule, to Activity Plan 2013-04 to ensure the proper containers are used.

5.12. Place sample containers in a cooler. Samples collected for radiological analysis do not need to be placed on ice.

5.13. Decontaminate sampling equipment between samples as specified in SAP-107 5.14. Repeat steps 5.5 through 5.13 for the remaining columns.

CimarronEnvironmentalResponseTrust CimarronSiteSamplingandAnalysisProcedure DocumentNo.SAP118 Rev.1 Effectivedate:12/11/2013 TreatabilityTestResinSampling Procedure Page7of7

5.15. Prior to leaving the containment area, personnel will frisk hands and feet.

5.16. Frisk material or equipment that is being removed from the restricted area, recording the results on Form RP-40. If direct alpha or beta measurements exceed removable contamination limits, collect a smear for the area yielding elevated activity.

5.17. Place any material that cannot be surveyed for release in a container reserved for potentially contaminated material.

5.18. Enter the appropriate information on the chain of custody form in accordance with SAP-111, "Sample Identification and Control."

5.19. Package and ship the samples in accordance with SAP-112, Sample Packaging and Shipping.

WaterTreatmentTestAttachment5h SamplingSchedulePostTreatmentResinandCombinedEffluentRevised SampleIDs Uranium (SW8466020)

Nitrate/Nitrite (EPA353.2)

Sulfate (SW8469056)

TALMetals (withoutHg)

SW6020*

IsotopicUandPu, Am241,Np237, Tc99 (HASL300)

Isotopic Uranium (HASL300)

ResinBA1A 1

1 1

1 1

1 ResinBA1B 1

1 1

1 ResinBA1C 1

1 1

1 ResinBA1D 1

1 1

ResinBA1E 1

1 1

ResinWAAA 1

1 1

1 1

1 ResinWAAB 1

1 1

1 ResinWAAC 1

1 1

1 ResinWAAD 1

1 1

ResinWAAE 1

1 1

ResinBA1CAT 1

1 1

1 ResinWAACAT 1

1 1

1 COMBEFFFINAL 1

12 12 10 4

6 5

ResinSampleContainer500mlwidemouthplastic,unpreserved,uncooled,forallanalyses EffluentSampleIsotopicUraniumContainer500mlPlastic,HNO3Preserved,Filtered

• IndicateonChainofCustodytorunTALMetalsonlyrunifsufficientsampleremainsafterothertests Page1of1

- Cation Column Photo

2 Cimarron Environmental Trust Treatability Test Report 3/13/14

- Anion Column Photo

ANALYTICAL DATA

SUMMARY

TABLES

Table 1 - BA1 Cation Bed Water Sample Analysis Results Cimarron Treatability Study - Run 2 Through 6,300 Gallons Sample No Coll Date Parameter Lab Result Units Lab or Review Qual MDL BA1-CAT-INF-9 07/26/13 Calcium 167,000 UG/L 50 BA1-CAT-INF-18 07/26/13 Calcium 165,000 UG/L 50 BA1-CAT-INF-27 8/2/13 Calcium 172,000 UG/L 50 BA1-CAT-INF-36 8/2/13 Calcium 163,000 UG/L 50 BA1-CAT-INF-45 8/9/13 Calcium 172,000 UG/L 50 BA1-CAT-INF-63 8/16/13 Calcium 159,000 UG/L 50 BA1-CAT-EFF-9 07/26/13 Calcium 468 UG/L 50 BA1-CAT-EFF-18 07/26/13 Calcium 650 UG/L 50 BA1-CAT-EFF-27 8/2/13 Calcium 220 UG/L J+

50 BA1-CAT-EFF-36 8/2/13 Calcium 272 UG/L J+

50 BA1-CAT-EFF-45 8/9/13 Calcium 297 UG/L 50 BA1-CAT-EFF-63 8/16/13 Calcium 125 UG/L J

50 BA1-CAT-INF-9 07/26/13 Chloride 33 MG/L 1.68 BA1-CAT-INF-18 07/26/13 Chloride 34 MG/L 1.68 BA1-CAT-INF-27 8/2/13 Chloride 46 MG/L 1.34 BA1-CAT-INF-36 8/2/13 Chloride 30 MG/L 1.33 BA1-CAT-INF-45 8/9/13 Chloride 34 MG/L 0.67 BA1-CAT-INF-63 8/16/13 Chloride 44 MG/L 1.34 BA1-CAT-EFF-9 07/26/13 Chloride 32 MG/L 1.68 BA1-CAT-EFF-18 07/26/13 Chloride 32 MG/L 1.68 BA1-CAT-EFF-27 8/2/13 Chloride 47 MG/L 1.34 BA1-CAT-EFF-36 8/2/13 Chloride 30 MG/L 0.67 BA1-CAT-EFF-45 8/9/13 Chloride 34 MG/L 0.67 BA1-CAT-EFF-63 8/16/13 Chloride 43 MG/L 1.34 BA1-CAT-INF-9 07/26/13 Magnesium 79,800 UG/L 110 BA1-CAT-INF-18 07/26/13 Magnesium 77,600 UG/L 110 BA1-CAT-INF-27 8/2/13 Magnesium 81,500 UG/L 110 BA1-CAT-INF-36 8/2/13 Magnesium 78,700 UG/L 110 BA1-CAT-INF-45 8/9/13 Magnesium 83,000 UG/L 110 BA1-CAT-INF-63 8/16/13 Magnesium 80,500 UG/L 110 BA1-CAT-EFF-9 07/26/13 Magnesium ND UG/L U

110 BA1-CAT-EFF-18 07/26/13 Magnesium ND UG/L U

110 BA1-CAT-EFF-27 8/2/13 Magnesium ND UG/L U

110 BA1-CAT-EFF-36 8/2/13 Magnesium ND UG/L U

110 BA1-CAT-EFF-45 8/9/13 Magnesium ND UG/L U

110 BA1-CAT-EFF-63 8/16/13 Magnesium ND UG/L U

110 Page 1 of 3

Table 1 - BA1 Cation Bed Water Sample Analysis Results Cimarron Treatability Study - Run 2 Through 6,300 Gallons Sample No Coll Date Parameter Lab Result Units Lab or Review Qual MDL BA1-CAT-INF-9 07/26/13 Potassium 2,160 UG/L 50 BA1-CAT-INF-18 07/26/13 Potassium 2,250 UG/L 50 BA1-CAT-INF-27 8/2/13 Potassium 2,360 UG/L 50 BA1-CAT-INF-36 8/2/13 Potassium 2,310 UG/L 50 BA1-CAT-INF-45 8/9/13 Potassium 2,230 UG/L 50 BA1-CAT-INF-63 8/16/13 Potassium 1,940 UG/L 50 BA1-CAT-EFF-9 07/26/13 Potassium 431 UG/L U*

50 BA1-CAT-EFF-18 07/26/13 Potassium 478 UG/L U*

50 BA1-CAT-EFF-27 8/2/13 Potassium 172 UG/L 50 BA1-CAT-EFF-36 8/2/13 Potassium 319 UG/L 50 BA1-CAT-EFF-45 8/9/13 Potassium 202 UG/L 50 BA1-CAT-EFF-63 8/16/13 Potassium 231 UG/L 50 BA1-CAT-INF-9 07/26/13 Sodium 65,500 UG/L 100 BA1-CAT-INF-18 07/26/13 Sodium 66,100 UG/L 100 BA1-CAT-INF-27 8/2/13 Sodium 77,900 UG/L 100 BA1-CAT-INF-36 8/2/13 Sodium 72,600 UG/L 100 BA1-CAT-INF-45 8/9/13 Sodium 75,200 UG/L 100 BA1-CAT-INF-63 8/16/13 Sodium 76,300 UG/L 100 BA1-CAT-EFF-9 07/26/13 Sodium 398,000 UG/L 100 BA1-CAT-EFF-18 07/26/13 Sodium 395,000 UG/L 100 BA1-CAT-EFF-27 8/2/13 Sodium 424,000 UG/L 100 BA1-CAT-EFF-36 8/2/13 Sodium 406,000 UG/L 100 BA1-CAT-EFF-45 8/9/13 Sodium 387,000 UG/L 100 BA1-CAT-EFF-63 8/16/13 Sodium 403,000 UG/L 100 BA1-CAT-INF-9 07/26/13 Sulfate 153 MG/L 3.33 BA1-CAT-INF-18 07/26/13 Sulfate 160 MG/L 3.33 BA1-CAT-INF-27 8/2/13 Sulfate 146 MG/L 2.66 BA1-CAT-INF-36 8/2/13 Sulfate 146 MG/L 1.33 BA1-CAT-INF-45 8/9/13 Sulfate 154 MG/L 1.33 BA1-CAT-INF-63 8/16/13 Sulfate 166 MG/L 1.34 BA1-CAT-EFF-9 07/26/13 Sulfate 146 MG/L 3.33 BA1-CAT-EFF-18 07/26/13 Sulfate 153 MG/L J+

3.33 BA1-CAT-EFF-27 8/2/13 Sulfate 147 MG/L 2.66 BA1-CAT-EFF-36 8/2/13 Sulfate 145 MG/L 1.33 BA1-CAT-EFF-45 8/9/13 Sulfate 154 MG/L 1.33 BA1-CAT-EFF-63 8/16/13 Sulfate 164 MG/L 1.34 Page 2 of 3

Table 1 - BA1 Cation Bed Water Sample Analysis Results Cimarron Treatability Study - Run 2 Through 6,300 Gallons Sample No Coll Date Parameter Lab Result Units Lab or Review Qual MDL BA1-CAT-INF-9 07/26/13 Uranium 4,720 UG/L 6.7 BA1-CAT-INF-18 07/26/13 Uranium 4,540 UG/L 6.7 BA1-CAT-INF-27 8/2/13 Uranium 5,110 UG/L 6.7 BA1-CAT-INF-36 8/2/13 Uranium 4,520 UG/L 6.7 BA1-CAT-INF-45 8/9/13 Uranium 4,680 UG/L 6.7 BA1-CAT-INF-63 8/16/13 Uranium 4,300 UG/L 0.067 BA1-CAT-EFF-9 07/26/13 Uranium 4,330 UG/L 6.7 BA1-CAT-EFF-18 07/26/13 Uranium 4,380 UG/L 6.7 BA1-CAT-EFF-27 8/2/13 Uranium 4,900 UG/L 6.7 BA1-CAT-EFF-36 8/2/13 Uranium 4,580 UG/L 6.7 BA1-CAT-EFF-45 8/9/13 Uranium 4,990 UG/L 6.7 BA1-CAT-EFF-63 8/16/13 Uranium 4,200 UG/L 0.067 Page 3 of 3

Table 2 - WAA Cation Bed Water Sample Analysis Results Cimarron Treatability Study - Run 2 Through 6,300 Gallons Sample No Coll Date Parameter Lab Result Units Lab or Review Qual MDL WAA-CAT-INF-9 07/26/13 Calcium 131,000 UG/L 50 WAA-CAT-INF-18 07/29/13 Calcium 127,000 UG/L 50 WAA-CAT-INF-27 8/2/13 Calcium 130,000 UG/L 50 WAA-CAT-INF-36 8/2/13 Calcium 130,000 UG/L 50 WAA-CAT-INF-45 8/9/13 Calcium 142,000 UG/L 50 WAA-CAT-INF-63 8/23/13 Calcium 138,000 UG/L 50 WAA-CAT-EFF-9 07/26/13 Calcium 251 UG/L U*

50 WAA-CAT-EFF-18 07/29/13 Calcium 394 UG/L 50 WAA-CAT-EFF-27 8/2/13 Calcium 144 UG/L J U*

50 WAA-CAT-EFF-36 8/2/13 Calcium 308 UG/L J+

50 WAA-CAT-EFF-45 8/9/13 Calcium 85 UG/L J

50 WAA-CAT-EFF-63 8/23/13 Calcium 181 UG/L J

50 WAA-CAT-INF-9 07/26/13 Chloride 13 MG/L 0.67 WAA-CAT-INF-18 07/29/13 Chloride 12 MG/L 0.335 WAA-CAT-INF-27 8/2/13 Chloride 11 MG/L 0.67 WAA-CAT-INF-36 8/2/13 Chloride 11 MG/L 0.67 WAA-CAT-INF-45 8/9/13 Chloride 12 MG/L 0.67 WAA-CAT-INF-63 8/23/13 Chloride 22 MG/L J+

0.335 WAA-CAT-EFF-9 07/26/13 Chloride 13 MG/L 0.67 WAA-CAT-EFF-18 07/29/13 Chloride 12 MG/L 0.335 WAA-CAT-EFF-27 8/2/13 Chloride 10 MG/L 0.67 WAA-CAT-EFF-36 8/2/13 Chloride 11 MG/L 0.67 WAA-CAT-EFF-45 8/9/13 Chloride 12 MG/L 0.67 WAA-CAT-EFF-63 8/23/13 Chloride 22 MG/L 0.335 WAA-CAT-INF-9 07/26/13 Magnesium 51,200 UG/L 110 WAA-CAT-INF-18 07/29/13 Magnesium 50,100 UG/L 110 WAA-CAT-INF-27 8/2/13 Magnesium 50,500 UG/L 110 WAA-CAT-INF-36 8/2/13 Magnesium 51,200 UG/L 110 WAA-CAT-INF-45 8/9/13 Magnesium 55,500 UG/L 110 WAA-CAT-INF-63 8/23/13 Magnesium 55,500 UG/L 110 WAA-CAT-EFF-9 07/26/13 Magnesium ND UG/L U

110 WAA-CAT-EFF-18 07/29/13 Magnesium ND UG/L U

110 WAA-CAT-EFF-27 8/2/13 Magnesium ND UG/L U

110 WAA-CAT-EFF-36 8/2/13 Magnesium ND UG/L U

110 WAA-CAT-EFF-45 8/9/13 Magnesium ND UG/L U

110 WAA-CAT-EFF-63 8/23/13 Magnesium ND UG/L U

110 Page 1 of 3

Table 2 - WAA Cation Bed Water Sample Analysis Results Cimarron Treatability Study - Run 2 Through 6,300 Gallons Sample No Coll Date Parameter Lab Result Units Lab or Review Qual MDL WAA-CAT-INF-9 07/26/13 Potassium 1,830 UG/L 50 WAA-CAT-INF-18 07/29/13 Potassium 1,360 UG/L 50 WAA-CAT-INF-27 8/2/13 Potassium 1,670 UG/L 50 WAA-CAT-INF-36 8/2/13 Potassium 1,600 UG/L 50 WAA-CAT-INF-45 8/9/13 Potassium 1,380 UG/L 50 WAA-CAT-INF-63 8/23/13 Potassium 1,470 UG/L 50 WAA-CAT-EFF-9 07/26/13 Potassium 174 UG/L U*

50 WAA-CAT-EFF-18 07/29/13 Potassium 197 UG/L 50 WAA-CAT-EFF-27 8/2/13 Potassium 138 UG/L J

50 WAA-CAT-EFF-36 8/2/13 Potassium 310 UG/L 0.335 WAA-CAT-EFF-45 8/9/13 Potassium 175 UG/L 50 WAA-CAT-EFF-63 8/23/13 Potassium 93 UG/L J

50 WAA-CAT-INF-9 07/26/13 Sodium 41,800 UG/L 100 WAA-CAT-INF-18 07/29/13 Sodium 45,900 UG/L 100 WAA-CAT-INF-27 8/2/13 Sodium 42,200 UG/L 100 WAA-CAT-INF-36 8/2/13 Sodium 42,600 UG/L 100 WAA-CAT-INF-45 8/9/13 Sodium 41,400 UG/L 100 WAA-CAT-INF-63 8/23/13 Sodium 41,200 UG/L 100 WAA-CAT-EFF-9 07/26/13 Sodium 276,000 UG/L 100 WAA-CAT-EFF-18 07/29/13 Sodium 293,000 UG/L 100 WAA-CAT-EFF-27 8/2/13 Sodium 297,000 UG/L 100 WAA-CAT-EFF-36 8/2/13 Sodium 292,000 UG/L 100 WAA-CAT-EFF-45 8/9/13 Sodium 276,000 UG/L 100 WAA-CAT-EFF-63 8/23/13 Sodium 276,000 UG/L 100 WAA-CAT-INF-9 07/26/13 Sulfate 45 MG/L 1.33 WAA-CAT-INF-18 07/29/13 Sulfate 42 MG/L 0.665 WAA-CAT-INF-27 8/2/13 Sulfate 39 MG/L 1.33 WAA-CAT-INF-36 8/2/13 Sulfate 40 MG/L 1.33 WAA-CAT-INF-45 8/9/13 Sulfate 42 MG/L 1.33 WAA-CAT-INF-63 8/23/13 Sulfate 52 MG/L J+

0.665 WAA-CAT-EFF-9 07/26/13 Sulfate 44 MG/L 1.33 WAA-CAT-EFF-18 07/29/13 Sulfate 42 MG/L 0.665 WAA-CAT-EFF-27 8/2/13 Sulfate 37 MG/L 1.33 WAA-CAT-EFF-36 8/2/13 Sulfate 38 MG/L 1.33 WAA-CAT-EFF-45 8/9/13 Sulfate 42 MG/L 1.33 WAA-CAT-EFF-63 8/23/13 Sulfate 53 MG/L 0.665 Page 2 of 3

Table 2 - WAA Cation Bed Water Sample Analysis Results Cimarron Treatability Study - Run 2 Through 6,300 Gallons Sample No Coll Date Parameter Lab Result Units Lab or Review Qual MDL WAA-CAT-INF-9 07/26/13 Uranium 295 UG/L 0.67 WAA-CAT-INF-18 07/29/13 Uranium 151 UG/L 0.067 WAA-CAT-INF-27 8/2/13 Uranium 169 UG/L 0.335 WAA-CAT-INF-36 8/2/13 Uranium 219 UG/L 0.335 WAA-CAT-INF-45 8/9/13 Uranium 241 UG/L 0.335 WAA-CAT-INF-63 8/23/13 Uranium 279 UG/L 0.67 WAA-CAT-EFF-9 07/26/13 Uranium 286 UG/L 0.67 WAA-CAT-EFF-18 07/29/13 Uranium 149 UG/L 0.067 WAA-CAT-EFF-27 8/2/13 Uranium 165 UG/L 0.335 WAA-CAT-EFF-36 8/2/13 Uranium 216 UG/L 0.335 WAA-CAT-EFF-45 8/9/13 Uranium 235 UG/L 0.335 WAA-CAT-EFF-63 8/23/13 Uranium 265 UG/L 0.67 WAA RELEASE 8/9/2013 Uranium-233/234 134 pCi/l 0.90 WAA RELEASE 8/9/2013 Uranium-235/236 8.2 pCi/l 0.54 WAA RELEASE 8/9/2013 Uranium-238 52.3 pCi/l 0.44 Page 3 of 3

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-INF-0 07/26/13 Uranium-233/234 2,020 104.0 PCI/L 10.4 COL-BA1-INF-0 07/26/13 Uranium-235/236 97 23.1 PCI/L 7.8 COL-BA1-INF-0 07/26/13 Uranium-238 1,250 82.1 PCI/L 8.58 COL-BA1-INF-0 DUP 07/26/13 Uranium-233/234 2,640 129.0 PCI/L 4.9 COL-BA1-INF-0 DUP 07/26/13 Uranium-235/236 137 29.6 PCI/L 7.85 COL-BA1-INF-0 DUP 07/26/13 Uranium-238 1,530 98.1 PCI/L 7.83 COL-BA1-INF-21 8/16/13 Uranium-233/234 2,530 97.1 PCI/L 4.66 COL-BA1-INF-21 8/16/13 Uranium-235/236 158 27.2 PCI/L 5.76 COL-BA1-INF-21 8/16/13 Uranium-238 1,540 75.8 PCI/L 4.66 COL-BA1-A-21 8/16/13 Uranium-233/234 3,270 109.0 PCI/L 9.43 COL-BA1-A-21 8/16/13 Uranium-235/236 218 31.5 PCI/L 6.49 COL-BA1-A-21 8/16/13 Uranium-238 1,880 82.8 PCI/L 5.25 COL-BA1-A-21 DUP 8/16/13 Uranium-233/234 3,170 113.0 PCI/L 9.15 COL-BA1-A-21 DUP 8/16/13 Uranium-235/236 189 30.9 PCI/L 6.25 COL-BA1-A-21 DUP 8/16/13 Uranium-238 1,950 89.0 PCI/L 6.95 COL-BA1-INF-35 8/23/13 Uranium-233/234 1,970 52.2 PCI/L 3.39 COL-BA1-INF-35 8/23/13 Uranium-235/236 115 12.6 PCI/L 1.08 COL-BA1-INF-35 8/23/13 Uranium-238 1,200 40.8 PCI/L 2.64 COL-BA1-INF-35 DUP 8/23/13 Uranium-233/234 2,100 48.7 PCI/L 1.87 COL-BA1-INF-35 DUP 8/23/13 Uranium-235/236 99 10.6 PCI/L 1.69 COL-BA1-INF-35 DUP 8/23/13 Uranium-238 1,260 37.7 PCI/L 0.881 COL-BA1-A-35 8/23/13 Uranium-233/234 2,630 57.8 PCI/L 2.27 COL-BA1-A-35 8/23/13 Uranium-235/236 143 13.5 PCI/L 0.995 COL-BA1-A-35 8/23/13 Uranium-238 1,640 45.7 PCI/L 1.9 Page 1 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-INF-0 07/26/13 Nitrogen, Nitrate/Nitrite 1

MG/L 0.085 COL-BA1-INF-0 DUP 07/26/13 Nitrogen, Nitrate/Nitrite 1

MG/L 0.085 COL-BA1-INF-3 07/29/13 Nitrogen, Nitrate/Nitrite 1.18 MG/L 0.085 COL-BA1-INF-3 DUP 07/29/13 Nitrogen, Nitrate/Nitrite 1.16 MG/L 0.085 COL-BA1-INF-7 8/2/13 Nitrogen, Nitrate/Nitrite 1.97 MG/L 0.085 COL-BA1-INF-14 8/9/13 Nitrogen, Nitrate/Nitrite 0.915 MG/L J+

0.085 COL-BA1-INF-14 DUP 8/9/13 Nitrogen, Nitrate/Nitrite 0.905 MG/L J+

0.085 COL-BA1-INF-21 8/16/13 Nitrogen, Nitrate/Nitrite 1.07 MG/L 0.085 COL-BA1-INF-28 9/3/13 Nitrogen, Nitrate/Nitrite 0.804 MG/L 0.017 COL-BA1-INF-29 10/17/13 Nitrogen, Nitrate/Nitrite 1.11 MG/L 0.085 COL-BA1-INF-29 DUP 10/17/13 Nitrogen, Nitrate/Nitrite 1.1 MG/L 0.085 COL-BA1-INF-30 10/18/13 Nitrogen, Nitrate/Nitrite 1.11 MG/L 0.085 COL-BA1-INF-30 DUP 10/18/13 Nitrogen, Nitrate/Nitrite 1.11 MG/L 0.085 COL-BA1-INF-31 10/19/13 Nitrogen, Nitrate/Nitrite 0.99 MG/L 0.085 COL-BA1-INF-31 DUP 10/19/13 Nitrogen, Nitrate/Nitrite 1.02 MG/L 0.017 COL-BA1-INF-32 10/20/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L 0.017 COL-BA1-INF-32 DUP 10/20/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L 0.017 COL-BA1-INF-33 10/21/13 Nitrogen, Nitrate/Nitrite 1.04 MG/L 0.017 COL-BA1-INF-33 DUP 10/21/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L 0.017 COL-BA1-INF-34 10/22/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.017 COL-BA1-INF-34 DUP 10/22/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.017 COL-BA1-INF-35 10/23/13 Nitrogen, Nitrate/Nitrite 1.02 MG/L 0.017 COL-BA1-INF-35 DUP 10/23/13 Nitrogen, Nitrate/Nitrite 1.02 MG/L 0.017 Page 2 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-INF-29 10/17/13 Sulfate 174 MG/L 2.66 COL-BA1-INF-29 DUP 10/17/13 Sulfate 183 MG/L 2.66 COL-BA1-INF-30 10/18/13 Sulfate 175 MG/L 2.66 COL-BA1-INF-30 DUP 10/18/13 Sulfate 174 MG/L 2.66 COL-BA1-INF-31 10/19/13 Sulfate 174 MG/L 2.66 COL-BA1-INF-31 DUP 10/19/13 Sulfate 176 MG/L 2.66 COL-BA1-INF-32 10/20/13 Sulfate 178 MG/L 2.66 COL-BA1-INF-32 DUP 10/20/13 Sulfate 181 MG/L 2.66 COL-BA1-INF-33 10/21/13 Sulfate 182 MG/L 2.66 COL-BA1-INF-33 DUP 10/21/13 Sulfate 182 MG/L 2.66 COL-BA1-INF-34 10/22/13 Sulfate 175 MG/L 2.66 COL-BA1-INF-34 DUP 10/22/13 Sulfate 169 MG/L 2.66 COL-BA1-INF-35 10/23/13 Sulfate 179 MG/L 2.66 COL-BA1-INF-35 DUP 10/23/13 Sulfate 172 MG/L 2.66 Page 3 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-INF-0 07/26/13 Uranium 4,350 UG/L 6.7 COL-BA1-INF-0 DUP 07/26/13 Uranium 4,490 UG/L 6.7 COL-BA1-INF-3 07/29/13 Uranium 3,800 UG/L 6.7 COL-BA1-INF-3 DUP 07/29/13 Uranium 3,990 UG/L 6.7 COL-BA1-INF-7 8/9/13 Uranium 4,730 UG/L 6.7 COL-BA1-INF-14 8/9/13 Uranium 4,760 UG/L 6.7 COL-BA1-INF-14 DUP 8/9/13 Uranium 5,060 UG/L 6.7 COL-BA1-INF-21 8/16/13 Uranium 4,470 UG/L 0.067 COL-BA1-INF-28 9/3/13 Uranium 4,680 UG/L 6.7 COL-BA1-INF-29 10/17/13 Uranium 4,690 UG/L 6.7 COL-BA1-INF-29 DUP 10/17/13 Uranium 4,700 UG/L 6.7 COL-BA1-INF-30 10/18/13 Uranium 4,840 UG/L 6.7 COL-BA1-INF-30 DUP 10/18/13 Uranium 4,550 UG/L 6.7 COL-BA1-INF-31 10/19/13 Uranium 4,290 UG/L 6.7 COL-BA1-INF-31 DUP 10/19/13 Uranium 4,230 UG/L 6.7 COL-BA1-INF-32 10/20/13 Uranium 4,890 UG/L 6.7 COL-BA1-INF-32 DUP 10/20/13 Uranium 4,670 UG/L 6.7 COL-BA1-INF-33 10/21/13 Uranium 4,600 UG/L 13.4 COL-BA1-INF-33 DUP 10/21/13 Uranium 4,810 UG/L 13.4 COL-BA1-INF-34 10/22/13 Uranium 4,310 UG/L 0.067 COL-BA1-INF-34 DUP 10/22/13 Uranium 4,350 UG/L 0.067 COL-BA1-INF-35 10/23/13 Uranium 4,220 UG/L 6.7 COL-BA1-INF-35 DUP 10/23/13 Uranium 4,130 UG/L 6.7 Page 4 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-A-0 07/26/13 Nitrogen, Nitrate/Nitrite 0

MG/L J

0.017 COL-BA1-A-3 07/29/13 Nitrogen, Nitrate/Nitrite 1.19 MG/L 0.085 COL-BA1-A-7 8/2/13 Nitrogen, Nitrate/Nitrite 1.93 MG/L 0.085 COL-BA1-A-7 DUP 8/2/13 Nitrogen, Nitrate/Nitrite 2.02 MG/L 0.085 COL-BA1-A-14 8/9/13 Nitrogen, Nitrate/Nitrite 0.855 MG/L 0.085 COL-BA1-A-21 8/16/13 Nitrogen, Nitrate/Nitrite 1.05 MG/L 0.085 COL-BA1-A-21 DUP 8/16/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.085 COL-BA1-A-28 9/3/13 Nitrogen, Nitrate/Nitrite 0.814 MG/L 0.017 COL-BA1-A-28 DUP 9/3/13 Nitrogen, Nitrate/Nitrite 0.802 MG/L 0.017 COL-BA1-A-29 10/17/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L J+

0.085 COL-BA1-A-30 10/18/13 Nitrogen, Nitrate/Nitrite 0.97 MG/L 0.085 COL-BA1-A-31 10/19/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.085 COL-BA1-A-32 10/20/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.017 COL-BA1-A-33 10/21/13 Nitrogen, Nitrate/Nitrite 1.02 MG/L 0.017 COL-BA1-A-34 10/22/13 Nitrogen, Nitrate/Nitrite 1.00 MG/L 0.017 COL-BA1-A-35 10/23/13 Nitrogen, Nitrate/Nitrite 1.00 MG/L 0.017 COL-BA1-A-29 10/17/13 Sulfate 171 MG/L 2.66 COL-BA1-A-30 10/18/13 Sulfate 175 MG/L 2.66 COL-BA1-A-31 10/19/13 Sulfate 173 MG/L 2.66 COL-BA1-A-32 10/20/13 Sulfate 181 MG/L 2.66 COL-BA1-A-33 10/21/13 Sulfate 172 MG/L 2.66 COL-BA1-A-34 10/22/13 Sulfate 175 MG/L 2.66 COL-BA1-A-35 10/23/13 Sulfate 173 MG/L 2.66 Page 5 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-A-0 07/26/13 Uranium 0.377 UG/L 0.067 COL-BA1-A-3 07/29/13 Uranium 4.52 UG/L 0.067 COL-BA1-A-7 8/2/13 Uranium 288 UG/L 0.335 COL-BA1-A-7 DUP 8/2/13 Uranium 259 UG/L 0.335 COL-BA1-A-14 8/9/13 Uranium 1,740 UG/L 1.68 COL-BA1-A-21 8/16/13 Uranium 5,550 UG/L 6.7 COL-BA1-A-21 DUP 8/16/13 Uranium 5,820 UG/L 6.7 COL-BA1-A-28 9/3/13 Uranium 8,360 UG/L 6.7 COL-BA1-A-28 DUP 9/3/13 Uranium 7,990 UG/L 6.7 COL-BA1-A-29 10/17/13 Uranium 13,600 UG/L 13.4 COL-BA1-A-30 10/18/13 Uranium 9,820 UG/L 13.4 COL-BA1-A-31 10/19/13 Uranium 7,500 UG/L 13.4 COL-BA1-A-32 10/20/13 Uranium 7,400 UG/L 6.7 COL-BA1-A-33 10/21/13 Uranium 7,020 UG/L 13.4 COL-BA1-A-34 10/22/13 Uranium 5,210 UG/L 6.7 COL-BA1-A-35 10/23/13 Uranium 6,380 UG/L 6.7 Page 6 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-B-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-BA1-B-3 07/29/13 Nitrogen, Nitrate/Nitrite 1.24 MG/L 0.085 COL-BA1-B-7 8/2/13 Nitrogen, Nitrate/Nitrite 2.06 MG/L 0.085 COL-BA1-B-14 8/9/13 Nitrogen, Nitrate/Nitrite 0.975 MG/L 0.085 COL-BA1-B-21 8/16/13 Nitrogen, Nitrate/Nitrite 1.06 MG/L 0.085 COL-BA1-B-28 9/3/13 Nitrogen, Nitrate/Nitrite 0.57 MG/L 0.017 COL-BA1-B-29 10/17/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.05 COL-BA1-B-30 10/18/13 Nitrogen, Nitrate/Nitrite 0.983 MG/L 0.017 COL-BA1-B-31 10/19/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L 0.085 COL-BA1-B-32 10/20/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.017 COL-BA1-B-33 10/21/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.017 COL-BA1-B-34 10/22/13 Nitrogen, Nitrate/Nitrite 1.00 MG/L 0.017 COL-BA1-B-35 10/23/13 Nitrogen, Nitrate/Nitrite 1.02 MG/L 0.017 COL-BA1-B-29 10/17/13 Sulfate 179 MG/L 2.66 COL-BA1-B-30 10/18/13 Sulfate 173 MG/L 2.66 COL-BA1-B-31 10/19/13 Sulfate 180 MG/L 2.66 COL-BA1-B-32 10/20/13 Sulfate 182 MG/L 2.66 COL-BA1-B-33 10/21/13 Sulfate 181 MG/L 2.66 COL-BA1-B-34 10/22/13 Sulfate 176 MG/L 2.66 COL-BA1-B-35 10/23/13 Sulfate 175 MG/L 2.66 Page 7 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-B-0 07/26/13 Uranium 0.084 UG/L J

0.067 COL-BA1-B-3 07/29/13 Uranium 0.107 UG/L J U*

0.067 COL-BA1-B-7 8/2/13 Uranium 0.181 UG/L J

0.067 COL-BA1-B-14 8/9/13 Uranium 26.1 UG/L 0.067 COL-BA1-B-21 8/16/13 Uranium 1,080 UG/L 0.067 COL-BA1-B-28 9/3/13 Uranium 1,940 UG/L 3.35 COL-BA1-B-29 10/17/13 Uranium 12,000 UG/L 13.4 COL-BA1-B-30 10/18/13 Uranium 14,000 UG/L 13.4 COL-BA1-B-31 10/19/13 Uranium 10,500 UG/L 33.5 COL-BA1-B-32 10/20/13 Uranium 9,630 UG/L 13.4 COL-BA1-B-33 10/21/13 Uranium 9,470 UG/L 13.4 COL-BA1-B-34 10/22/13 Uranium 6,370 UG/L 6.7 COL-BA1-B-35 10/23/13 Uranium 5,430 UG/L 6.7 COL-BA1-C-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-BA1-C-3 07/29/13 Nitrogen, Nitrate/Nitrite 1.29 MG/L 0.085 COL-BA1-C-7 8/2/13 Nitrogen, Nitrate/Nitrite 1.99 MG/L 0.085 COL-BA1-C-14 8/9/13 Nitrogen, Nitrate/Nitrite 1.11 MG/L 0.085 COL-BA1-C-21 8/16/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.085 COL-BA1-C-28 9/3/13 Nitrogen, Nitrate/Nitrite 1.01 MG/L 0.017 COL-BA1-C-29 10/17/13 Nitrogen, Nitrate/Nitrite 0.381 MG/L 0.05 COL-BA1-C-30 10/18/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L 0.085 COL-BA1-C-31 10/19/13 Nitrogen, Nitrate/Nitrite 1.22 MG/L 0.085 COL-BA1-C-32 10/20/13 Nitrogen, Nitrate/Nitrite 1.05 MG/L 0.017 COL-BA1-C-33 10/21/13 Nitrogen, Nitrate/Nitrite 1.05 MG/L 0.017 COL-BA1-C-34 10/22/13 Nitrogen, Nitrate/Nitrite 1.04 MG/L 0.017 COL-BA1-C-35 10/23/13 Nitrogen, Nitrate/Nitrite 1.09 MG/L 0.017 Page 8 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-C-29 10/17/13 Sulfate 189 MG/L 2.66 COL-BA1-C-30 10/18/13 Sulfate 182 MG/L 2.66 COL-BA1-C-31 10/19/13 Sulfate 179 MG/L 2.66 COL-BA1-C-32 10/20/13 Sulfate 185 MG/L 2.66 COL-BA1-C-33 10/21/13 Sulfate 185 MG/L 2.66 COL-BA1-C-34 10/22/13 Sulfate 177 MG/L 2.66 COL-BA1-C-35 10/23/13 Sulfate 193 MG/L 2.66 COL-BA1-C-0 07/26/13 Uranium ND UG/L U

0.067 COL-BA1-C-3 07/29/13 Uranium 0.077 UG/L J U*

0.067 COL-BA1-C-7 8/2/13 Uranium 0.103 UG/L J

0.067 COL-BA1-C-14 8/9/13 Uranium 0.113 UG/L J

0.067 COL-BA1-C-21 8/16/13 Uranium 1.57 UG/L 0.067 COL-BA1-C-28 9/3/13 Uranium 1.70 UG/L 0.067 COL-BA1-C-29 10/17/13 Uranium 70.1 UG/L 0.067 COL-BA1-C-30 10/18/13 Uranium 571 UG/L 0.67 COL-BA1-C-31 10/19/13 Uranium 1,050 UG/L 13.4 COL-BA1-C-32 10/20/13 Uranium 2,410 UG/L 6.7 COL-BA1-C-33 10/21/13 Uranium 2,890 UG/L 6.7 COL-BA1-C-34 10/22/13 Uranium 3,770 UG/L 0.067 COL-BA1-C-35 10/23/13 Uranium 3,970 UG/L 0.067 Page 9 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-D-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-BA1-D-3 07/29/13 Nitrogen, Nitrate/Nitrite 1.22 MG/L 0.085 COL-BA1-D-7 8/2/13 Nitrogen, Nitrate/Nitrite 2.04 MG/L 0.085 COL-BA1-D-14 8/9/13 Nitrogen, Nitrate/Nitrite 1.02 MG/L 0.085 COL-BA1-D-21 8/16/13 Nitrogen, Nitrate/Nitrite 1.03 MG/L 0.085 COL-BA1-D-28 9/3/13 Nitrogen, Nitrate/Nitrite 1.77 MG/L 0.085 COL-BA1-D-29 10/17/13 Nitrogen, Nitrate/Nitrite 1.05 MG/L 0.085 COL-BA1-D-30 10/18/13 Nitrogen, Nitrate/Nitrite 3.41 MG/L 0.085 COL-BA1-D-31 10/19/13 Nitrogen, Nitrate/Nitrite 1.18 MG/L 0.085 COL-BA1-D-32 10/20/13 Nitrogen, Nitrate/Nitrite 1.07 MG/L 0.017 COL-BA1-D-33 10/21/13 Nitrogen, Nitrate/Nitrite 1.06 MG/L 0.017 COL-BA1-D-34 10/22/13 Nitrogen, Nitrate/Nitrite 2.40 MG/L 0.085 COL-BA1-D-35 10/23/13 Nitrogen, Nitrate/Nitrite 1.08 MG/L 0.017 COL-BA1-D-0 07/26/13 Uranium ND UG/L U

0.067 COL-BA1-D-3 07/29/13 Uranium ND UG/L J U*

0.067 COL-BA1-D-7 8/2/13 Uranium 0.079 UG/L J

0.067 COL-BA1-D-14 8/9/13 Uranium ND UG/L U

0.067 COL-BA1-D-21 8/16/13 Uranium 0.069 UG/L J

0.067 COL-BA1-D-28 9/3/13 Uranium 0.070 UG/L J

0.067 COL-BA1-D-29 10/17/13 Uranium 0.117 UG/L J

0.067 COL-BA1-D-30 10/18/13 Uranium 0.840 UG/L 0.07 COL-BA1-D-31 10/19/13 Uranium 1.22 UG/L 0.07 COL-BA1-D-32 10/20/13 Uranium 7.95 UG/L 0.07 COL-BA1-D-33 10/21/13 Uranium 13.9 UG/L 0.07 COL-BA1-D-34 10/22/13 Uranium 31.3 UG/L 0.067 COL-BA1-D-35 10/23/13 Uranium 38.4 UG/L 0.067 Page 10 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-EFF-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-BA1-EFF-3 07/29/13 Nitrogen, Nitrate/Nitrite 1.24 MG/L 0.085 COL-BA1-EFF-7 8/2/13 Nitrogen, Nitrate/Nitrite 1.88 MG/L 0.085 COL-BA1-EFF-14 8/9/13 Nitrogen, Nitrate/Nitrite 1.41 MG/L 0.085 COL-BA1-EFF-21 8/16/13 Nitrogen, Nitrate/Nitrite 1.07 MG/L 0.085 COL-BA1-EFF-28 9/3/13 Nitrogen, Nitrate/Nitrite 0.874 MG/L 0.017 COL-BA1-EFF-29 10/17/13 Nitrogen, Nitrate/Nitrite 1.11 MG/L 0.085 COL-BA1-EFF-30 10/18/13 Nitrogen, Nitrate/Nitrite 1.09 MG/L 0.085 COL-BA1-EFF-31 10/19/13 Nitrogen, Nitrate/Nitrite 2.71 MG/L 0.085 COL-BA1-EFF-32 10/20/13 Nitrogen, Nitrate/Nitrite 2.55 MG/L 0.085 COL-BA1-EFF-33 10/21/13 Nitrogen, Nitrate/Nitrite 1.11 MG/L 0.017 COL-BA1-EFF-34 10/22/13 Nitrogen, Nitrate/Nitrite 2.09 MG/L 0.085 COL-BA1-EFF-35 10/23/13 Nitrogen, Nitrate/Nitrite 1.83 MG/L 0.085 COL-BA1-EFF-0 07/26/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-3 07/29/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-7 8/2/13 Uranium 0.071 UG/L 0.067 COL-BA1-EFF-14 8/9/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-21 8/16/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-28 9/3/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-29 10/17/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-30 10/18/13 Uranium 0.075 UG/L J

0.067 COL-BA1-EFF-31 10/19/13 Uranium 0.113 UG/L J

0.067 COL-BA1-EFF-32 10/20/13 Uranium 0.101 UG/L J

0.067 COL-BA1-EFF-33 10/21/13 Uranium 0.103 UG/L J U*

0.067 COL-BA1-EFF-34 10/22/13 Uranium 0.262 UG/L 0.067 COL-BA1-EFF-35 10/23/13 Uranium 0.136 UG/L J

0.067 Page 11 of 12

Table 3 - BA1 Anion Column Water Sample Analysis Results Cimarron Treatability Study - Run 2 Data Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-BA1-EFF-34 10/22/13 Nitrogen, Ammonia 0.300 MG/L J+

0.017 COL-BA1-EFF-34 10/22/13 Phosphorus 0.205 MG/L J+

0.017 COL-BA1-EFF-34 10/22/13 Nitrogen, Total Kjeldahl 132 MG/L 1.65 Page 12 of 12

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-INF-0 07/26/13 Uranium-233/234 229 11.2 PCI/L 0.677 COL-WAA-INF-0 07/26/13 Uranium-235/236 14 2.8 PCI/L 0.679 COL-WAA-INF-0 07/26/13 Uranium-238 114 7.9 PCI/L 0.677 COL-WAA-INF-0 DUP 07/26/13 Uranium-233/234 255 12.3 PCI/L 1.200 COL-WAA-INF-0 DUP 07/26/13 Uranium-235/236 15 3.0 PCI/L 0.743 COL-WAA-INF-0 DUP 07/26/13 Uranium-238 122 8.5 PCI/L 0.943 COL-WAA-INF-28 10/23/13 Uranium-233/234 191 8.20 PCI/L 0.808 COL-WAA-INF-28 10/23/13 Uranium-235/236 11.7 2.05 PCI/L 0.632 COL-WAA-INF-28 10/23/13 Uranium-238 80.8 5.34 PCI/L 0.453 COL-WAA-INF-28 DUP 10/23/13 Uranium-233/234 181 7.57 PCI/L 0.667 COL-WAA-INF-28 DUP 10/23/13 Uranium-235/236 9.55 1.75 PCI/L 0.247 COL-WAA-INF-28 DUP 10/23/13 Uranium-238 83.2 5.13 PCI/L 0.246 COL-WAA-A-28 10/23/13 Uranium-233/234 179 7.96 PCI/L 0.838 COL-WAA-A-28 10/23/13 Uranium-235/236 8.75 1.77 PCI/L 0.276 COL-WAA-A-28 10/23/13 Uranium-238 76.0 5.19 PCI/L 0.584 Page 1 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-INF-0 07/26/13 Nitrogen, Nitrate/Nitrite 56.3 MG/L 1.70 COL-WAA-INF-0 DUP 07/26/13 Nitrogen, Nitrate/Nitrite 56.3 MG/L 1.70 COL-WAA-INF-3 07/29/13 Nitrogen, Nitrate/Nitrite 54.9 MG/L 1.70 COL-WAA-INF-3 DUP 07/29/13 Nitrogen, Nitrate/Nitrite 54.0 MG/L 1.70 COL-WAA-INF-7 8/2/13 Nitrogen, Nitrate/Nitrite 60.5 MG/L 1.70 COL-WAA-INF-7 DUP 8/2/13 Nitrogen, Nitrate/Nitrite 55.9 MG/L 1.70 COL-WAA-INF-14 8/16/13 Nitrogen, Nitrate/Nitrite 63.2 MG/L 1.70 COL-WAA-INF-14 DUP 8/16/13 Nitrogen, Nitrate/Nitrite 58.2 MG/L 1.70 COL-WAA-INF-21 9/3/13 Nitrogen, Nitrate/Nitrite 59.4 MG/L 1.70 COL-WAA-INF-21 DUP 9/3/13 Nitrogen, Nitrate/Nitrite 60.0 MG/L 1.70 COL-WAA-INF-22 10/17/13 Nitrogen, Nitrate/Nitrite 60.9 MG/L 1.70 COL-WAA-INF-22 DUP 10/17/13 Nitrogen, Nitrate/Nitrite 60.9 MG/L 1.70 COL-WAA-INF-23 10/18/13 Nitrogen, Nitrate/Nitrite 59.8 MG/L 1.70 COL-WAA-INF-23 DUP 10/18/13 Nitrogen, Nitrate/Nitrite 62.2 MG/L 1.70 COL-WAA-INF-24 10/19/13 Nitrogen, Nitrate/Nitrite 61.3 MG/L 1.70 COL-WAA-INF-24 DUP 10/19/13 Nitrogen, Nitrate/Nitrite 62.3 MG/L 1.70 COL-WAA-INF-25 10/20/13 Nitrogen, Nitrate/Nitrite 61.5 MG/L 1.70 COL-WAA-INF-25 DUP 10/20/13 Nitrogen, Nitrate/Nitrite 62.2 MG/L 1.70 COL-WAA-INF-26 10/21/13 Nitrogen, Nitrate/Nitrite 62.0 MG/L 1.70 COL-WAA-INF-26 DUP 10/21/13 Nitrogen, Nitrate/Nitrite 57.8 MG/L 1.70 COL-WAA-INF-27 10/22/13 Nitrogen, Nitrate/Nitrite 59.8 MG/L 1.70 COL-WAA-INF-27 DUP 10/22/13 Nitrogen, Nitrate/Nitrite 59.6 MG/L 1.70 COL-WAA-INF-28 10/23/13 Nitrogen, Nitrate/Nitrite 58.9 MG/L 1.70 COL-WAA-INF-28 DUP 10/23/13 Nitrogen, Nitrate/Nitrite 59.7 MG/L 1.70 Page 2 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-INF-22 10/17/13 Sulfate 49.0 MG/L 0.665 COL-WAA-INF-22 DUP 10/17/13 Sulfate 48.9 MG/L 0.665 COL-WAA-INF-23 10/18/13 Sulfate 49.4 MG/L 0.665 COL-WAA-INF-23 DUP 10/18/13 Sulfate 49.7 MG/L 0.665 COL-WAA-INF-24 10/19/13 Sulfate 53.0 MG/L 0.665 COL-WAA-INF-24 DUP 10/19/13 Sulfate 50.4 MG/L 0.665 COL-WAA-INF-25 10/20/13 Sulfate 51.6 MG/L 0.665 COL-WAA-INF-25 DUP 10/20/13 Sulfate 50.1 MG/L 0.665 COL-WAA-INF-26 10/21/13 Sulfate 50.0 MG/L 0.665 COL-WAA-INF-26 DUP 10/21/13 Sulfate 51.3 MG/L 0.665 COL-WAA-INF-27 10/22/13 Sulfate 48.3 MG/L 0.665 COL-WAA-INF-27 DUP 10/22/13 Sulfate 49.9 MG/L 0.665 COL-WAA-INF-28 10/23/13 Sulfate 53.2 MG/L 0.665 COL-WAA-INF-28 DUP 10/23/13 Sulfate 52.6 MG/L 0.665 Page 3 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-INF-0 07/26/13 Uranium 370 UG/L 0.670 COL-WAA-INF-0 DUP 07/26/13 Uranium 362 UG/L 0.670 COL-WAA-INF-3 07/29/13 Uranium 288 UG/L 0.067 COL-WAA-INF-3 DUP 07/29/13 Uranium 284 UG/L 0.067 COL-WAA-INF-7 8/2/13 Uranium 225 UG/L 0.335 COL-WAA-INF-7 DUP 8/2/13 Uranium 220 UG/L 0.335 COL-WAA-INF-14 8/16/13 Uranium 211 UG/L 0.067 COL-WAA-INF-14 DUP 8/16/13 Uranium 211 UG/L 0.067 COL-WAA-INF-21 9/3/13 Uranium 256 UG/L 0.335 COL-WAA-INF-21 DUP 9/3/13 Uranium 261 UG/L 0.335 COL-WAA-INF-22 10/17/13 Uranium 262 UG/L 0.335 COL-WAA-INF-22 DUP 10/17/13 Uranium 254 UG/L 0.335 COL-WAA-INF-23 10/18/13 Uranium 255 UG/L 0.670 COL-WAA-INF-23 DUP 10/18/13 Uranium 251 UG/L 0.670 COL-WAA-INF-24 10/19/13 Uranium 238 UG/L 0.670 COL-WAA-INF-24 DUP 10/19/13 Uranium 228 UG/L 0.670 COL-WAA-INF-25 10/20/13 Uranium 270 UG/L 0.670 COL-WAA-INF-25 DUP 10/20/13 Uranium 262 UG/L 0.670 COL-WAA-INF-26 10/21/13 Uranium 233 UG/L 0.670 COL-WAA-INF-26 DUP 10/21/13 Uranium 227 UG/L 0.670 COL-WAA-INF-27 10/22/13 Uranium 267 UG/L 0.067 COL-WAA-INF-27 DUP 10/22/13 Uranium 275 UG/L 0.067 COL-WAA-INF-28 10/23/13 Uranium 247 UG/L 0.067 COL-WAA-INF-28 DUP 10/23/13 Uranium 251 UG/L 0.067 Page 4 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-A-0 07/26/13 Nitrogen, Nitrate/Nitrite 66.5 MG/L 1.700 COL-WAA-A-3 07/29/13 Nitrogen, Nitrate/Nitrite 53.2 MG/L 1.700 COL-WAA-A-7 8/2/13 Nitrogen, Nitrate/Nitrite 59.4 MG/L 1.700 COL-WAA-A-14 8/16/13 Nitrogen, Nitrate/Nitrite 84.3 MG/L 1.700 COL-WAA-A-21 9/3/13 Nitrogen, Nitrate/Nitrite 61.1 MG/L 1.700 COL-WAA-A-22 10/17/13 Nitrogen, Nitrate/Nitrite 63.3 MG/L 1.700 COL-WAA-A-23 10/18/13 Nitrogen, Nitrate/Nitrite 63.1 MG/L 1.700 COL-WAA-A-24 10/17/13 Nitrogen, Nitrate/Nitrite 62.7 MG/L 1.700 COL-WAA-A-25 10/18/13 Nitrogen, Nitrate/Nitrite 60.2 MG/L 1.700 COL-WAA-A-26 10/17/13 Nitrogen, Nitrate/Nitrite 64.0 MG/L 1.700 COL-WAA-A-27 10/18/13 Nitrogen, Nitrate/Nitrite 60.2 MG/L 1.700 COL-WAA-A-28 10/17/13 Nitrogen, Nitrate/Nitrite 59.6 MG/L 1.700 COL-WAA-A-22 10/17/13 Sulfate 49.1 MG/L 0.665 COL-WAA-A-23 10/18/13 Sulfate 49.7 MG/L 0.665 COL-WAA-A-24 10/17/13 Sulfate 51.3 MG/L 0.665 COL-WAA-A-25 10/18/13 Sulfate 51.2 MG/L 0.665 COL-WAA-A-26 10/17/13 Sulfate 51.7 MG/L 0.665 COL-WAA-A-27 10/18/13 Sulfate 50.2 MG/L 0.665 COL-WAA-A-28 10/17/13 Sulfate 55.2 MG/L 0.665 Page 5 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-A-0 07/26/13 Uranium ND UG/L U

0.067 COL-WAA-A-3 07/29/13 Uranium 1.98 UG/L 0.067 COL-WAA-A-7 8/2/13 Uranium 6.82 UG/L 0.067 COL-WAA-A-14 8/16/13 Uranium 10.60 UG/L 0.067 COL-WAA-A-21 9/3/13 Uranium 254 UG/L 0.335 COL-WAA-A-22 10/17/13 Uranium 272 UG/L 0.335 COL-WAA-A-23 10/18/13 Uranium 247 UG/L 1.340 COL-WAA-A-24 10/17/13 Uranium 240 UG/L 0.670 COL-WAA-A-25 10/18/13 Uranium 271 UG/L 0.670 COL-WAA-A-26 10/17/13 Uranium 238 UG/L 0.670 COL-WAA-A-27 10/18/13 Uranium 254 UG/L 0.067 COL-WAA-A-28 10/17/13 Uranium 251 UG/L 0.067 COL-WAA-B-0 07/26/13 Nitrogen, Nitrate/Nitrite 2.9 MG/L 0.085 COL-WAA-B-3 07/29/13 Nitrogen, Nitrate/Nitrite 56.2 MG/L 1.700 COL-WAA-B-7 8/2/13 Nitrogen, Nitrate/Nitrite 54.1 MG/L 1.700 COL-WAA-B-14 8/16/13 Nitrogen, Nitrate/Nitrite 125.0 MG/L 1.700 COL-WAA-B-21 9/3/13 Nitrogen, Nitrate/Nitrite 63.3 MG/L 1.700 COL-WAA-B-22 10/17/13 Nitrogen, Nitrate/Nitrite 56.4 MG/L 1.700 COL-WAA-B-23 10/18/13 Nitrogen, Nitrate/Nitrite 64.7 MG/L 1.700 COL-WAA-B-24 10/17/13 Nitrogen, Nitrate/Nitrite 63.1 MG/L 1.700 COL-WAA-B-25 10/18/13 Nitrogen, Nitrate/Nitrite 62.3 MG/L 1.700 COL-WAA-B-26 10/17/13 Nitrogen, Nitrate/Nitrite 60.4 MG/L 1.700 COL-WAA-B-27 10/18/13 Nitrogen, Nitrate/Nitrite 59.6 MG/L 1.700 COL-WAA-B-28 10/17/13 Nitrogen, Nitrate/Nitrite 60.8 MG/L 1.700 Page 6 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-B-22 10/17/13 Sulfate 50.4 MG/L 0.665 COL-WAA-B-23 10/18/13 Sulfate 49.5 MG/L 0.665 COL-WAA-B-24 10/17/13 Sulfate 50.6 MG/L 0.665 COL-WAA-B-25 10/18/13 Sulfate 50.8 MG/L 0.665 COL-WAA-B-26 10/17/13 Sulfate 52.0 MG/L 0.665 COL-WAA-B-27 10/18/13 Sulfate 49.6 MG/L 0.665 COL-WAA-B-28 10/17/13 Sulfate 53.5 MG/L 0.665 COL-WAA-B-0 07/26/13 Uranium ND UG/L U

0.067 COL-WAA-B-3 07/29/13 Uranium ND UG/L U

0.067 COL-WAA-B-7 8/2/13 Uranium ND UG/L U

0.067 COL-WAA-B-14 8/16/13 Uranium 0.14 UG/L J

0.067 COL-WAA-B-21 9/3/13 Uranium 5.77 UG/L 0.067 COL-WAA-B-22 10/17/13 Uranium 12.70 UG/L 0.067 COL-WAA-B-23 10/18/13 Uranium 24.50 UG/L 0.067 COL-WAA-B-24 10/17/13 Uranium 31.80 UG/L 0.067 COL-WAA-B-25 10/18/13 Uranium 40.60 UG/L 0.067 COL-WAA-B-26 10/17/13 Uranium 35.70 UG/L 0.067 COL-WAA-B-27 10/18/13 Uranium 48.60 UG/L 0.067 COL-WAA-B-28 10/17/13 Uranium 40.4 UG/L 0.067 Page 7 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-C-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-WAA-C-3 07/29/13 Nitrogen, Nitrate/Nitrite 58.9 MG/L 1.700 COL-WAA-C-7 8/2/13 Nitrogen, Nitrate/Nitrite 54.5 MG/L 1.700 COL-WAA-C-14 8/16/13 Nitrogen, Nitrate/Nitrite 62.5 MG/L 1.700 COL-WAA-C-21 9/3/13 Nitrogen, Nitrate/Nitrite 63.6 MG/L 1.700 COL-WAA-C-22 10/17/13 Nitrogen, Nitrate/Nitrite 62.8 MG/L 1.700 COL-WAA-C-23 10/18/13 Nitrogen, Nitrate/Nitrite 62.3 MG/L 1.700 COL-WAA-C-24 10/17/13 Nitrogen, Nitrate/Nitrite 63.6 MG/L 1.700 COL-WAA-C-25 10/18/13 Nitrogen, Nitrate/Nitrite 61.0 MG/L 1.700 COL-WAA-C-26 10/17/13 Nitrogen, Nitrate/Nitrite 61.9 MG/L 1.700 COL-WAA-C-27 10/18/13 Nitrogen, Nitrate/Nitrite 60.2 MG/L 1.700 COL-WAA-C-28 10/17/13 Nitrogen, Nitrate/Nitrite 59.9 MG/L 1.700 COL-WAA-C-22 10/17/13 Sulfate 57.7 MG/L 0.665 COL-WAA-C-23 10/18/13 Sulfate 50.5 MG/L 0.665 COL-WAA-C-24 10/17/13 Sulfate 50.9 MG/L 0.665 COL-WAA-C-25 10/18/13 Sulfate 52.5 MG/L 0.665 COL-WAA-C-26 10/17/13 Sulfate 51.9 MG/L 0.665 COL-WAA-C-27 10/18/13 Sulfate 48.7 MG/L 0.665 COL-WAA-C-28 10/17/13 Sulfate 52.6 MG/L 0.665 COL-WAA-C-0 07/26/13 Uranium ND UG/L U

0.067 COL-WAA-C-3 07/29/13 Uranium ND UG/L U

0.067 COL-WAA-C-7 8/2/13 Uranium ND UG/L U

0.067 COL-WAA-C-14 8/16/13 Uranium ND UG/L U

0.067 COL-WAA-C-21 9/3/13 Uranium ND UG/L U

0.067 COL-WAA-C-22 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-C-23 10/18/13 Uranium 0.116 UG/L J

0.067 COL-WAA-C-24 10/17/13 Uranium 0.288 UG/L 0.067 COL-WAA-C-25 10/18/13 Uranium 0.343 UG/L 0.067 COL-WAA-C-26 10/17/13 Uranium 0.452 UG/L 0.067 COL-WAA-C-27 10/18/13 Uranium 0.470 UG/L 0.067 COL-WAA-C-28 10/17/13 Uranium 0.326 UG/L 0.067 Page 8 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-D-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-WAA-D-3 07/29/13 Nitrogen, Nitrate/Nitrite 53.9 MG/L 1.700 COL-WAA-D-7 8/2/13 Nitrogen, Nitrate/Nitrite 55 MG/L 1.700 COL-WAA-D-14 8/16/13 Nitrogen, Nitrate/Nitrite 62.5 MG/L 1.700 COL-WAA-D-21 9/3/13 Nitrogen, Nitrate/Nitrite 63.8 MG/L 1.700 COL-WAA-D-22 10/17/13 Nitrogen, Nitrate/Nitrite 64.8 MG/L 1.700 COL-WAA-D-23 10/18/13 Nitrogen, Nitrate/Nitrite 64.8 MG/L 1.700 COL-WAA-D-24 10/17/13 Nitrogen, Nitrate/Nitrite 66.7 MG/L 1.700 COL-WAA-D-25 10/18/13 Nitrogen, Nitrate/Nitrite 61.4 MG/L 1.700 COL-WAA-D-26 10/17/13 Nitrogen, Nitrate/Nitrite 69.2 MG/L 1.700 COL-WAA-D-27 10/18/13 Nitrogen, Nitrate/Nitrite 61.6 MG/L 1.700 COL-WAA-D-28 10/17/13 Nitrogen, Nitrate/Nitrite 61.9 MG/L 1.700 COL-WAA-D-0 07/26/13 Uranium ND UG/L U

0.067 COL-WAA-D-3 07/29/13 Uranium ND UG/L U

0.067 COL-WAA-D-7 8/2/13 Uranium ND UG/L U

0.067 COL-WAA-D-14 8/16/13 Uranium ND UG/L U

0.067 COL-WAA-D-21 9/3/13 Uranium ND UG/L U

0.067 COL-WAA-D-22 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-D-23 10/18/13 Uranium ND UG/L U

0.067 COL-WAA-D-24 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-D-25 10/18/13 Uranium ND UG/L U

0.067 COL-WAA-D-26 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-D-27 10/18/13 Uranium ND UG/L U

0.067 COL-WAA-D-28 10/17/13 Uranium ND UG/L U

0.067 Page 9 of 10

Table 4 - WAA Anion Column Water Sample Analyis Results Cimarron Treatability Study - Run 2 Sample No Coll Date Parameter Lab Result Uncertainty Units Lab or Review Qual MDL COL-WAA-EFF-0 07/26/13 Nitrogen, Nitrate/Nitrite ND MG/L U

0.017 COL-WAA-EFF-3 07/29/13 Nitrogen, Nitrate/Nitrite 53.8 MG/L 1.700 COL-WAA-EFF-7 8/2/13 Nitrogen, Nitrate/Nitrite 51.1 MG/L 1.700 COL-WAA-EFF-14 8/16/13 Nitrogen, Nitrate/Nitrite 57.8 MG/L 1.700 COL-WAA-EFF-21 9/3/13 Nitrogen, Nitrate/Nitrite 64.4 MG/L 1.700 COL-WAA-EFF-22 10/17/13 Nitrogen, Nitrate/Nitrite 104 MG/L 1.700 COL-WAA-EFF-23 10/18/13 Nitrogen, Nitrate/Nitrite 77.3 MG/L 1.700 COL-WAA-EFF-24 10/17/13 Nitrogen, Nitrate/Nitrite 62.3 MG/L 1.700 COL-WAA-EFF-25 10/18/13 Nitrogen, Nitrate/Nitrite 60.6 MG/L 1.700 COL-WAA-EFF-26 10/17/13 Nitrogen, Nitrate/Nitrite 64.6 MG/L 1.700 COL-WAA-EFF-27 10/18/13 Nitrogen, Nitrate/Nitrite 62.6 MG/L 1.700 COL-WAA-EFF-28 10/17/13 Nitrogen, Nitrate/Nitrite 62.9 MG/L 1.700 COL-WAA-EFF-0 07/26/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-3 07/29/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-7 8/2/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-14 8/16/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-21 9/3/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-22 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-23 10/18/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-24 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-25 10/18/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-26 10/17/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-27 10/18/13 Uranium ND UG/L U

0.067 COL-WAA-EFF-28 10/17/13 Uranium ND UG/L U

0.067 COL-BA1-EFF-34 10/22/13 Nitrogen, Ammonia 0.155 MG/L 0.017 COL-BA1-EFF-34 10/22/13 Phosphorus 0.049 MG/L J

0.017 COL-BA1-EFF-34 10/22/13 Nitrogen, Total Kjeldahl 52 MG/L 1.65 Page 10 of 10

Table 5 - Cation and Anion Resin Sample Analysis Results - Chemical Cimarron Treatability Study - Run 2 Sample No Parameter Lab Result Units Lab or Review Qual MDL RESIN BA1-A Uranium 159,000 mg/kg 128.0 RESIN BA1-B Uranium 117,000 mg/kg 112.0 RESIN BA1-C Uranium 112,000 mg/kg 110.0 RESIN BA1-D Uranium 20,700 mg/kg 24.2 RESIN BA1-EFF Uranium 11.90 mg/kg J*

0.028 RESIN WAA-B Uranium 14,100 mg/kg 23.4 RESIN WAA-C Uranium 325 mg/kg 0.596 RESIN WAA-D Uranium 1.58 mg/kg 0.023 RESIN WAA-EFF Uranium 0.470 mg/kg 0.023 RESIN BA1-CAT TOP Uranium 1.33 mg/kg U*

0.023 RESIN BA1-CAT COMP Uranium 1.13 mg/kg 0.022 RESIN WAA-CAT TOP Uranium 65.90 mg/kg 0.021 RESIN WAA-CAT COMP Uranium 0.243 mg/kg 0.026 RESIN BA1-A Nitrogen, Nitrate/Nitrite 0.724 mg/kg J

0.327 RESIN BA1-B Nitrogen, Nitrate/Nitrite ND mg/kg U

0.279 RESIN BA1-C Nitrogen, Nitrate/Nitrite 2.25 mg/kg 0.303 RESIN BA1-D Nitrogen, Nitrate/Nitrite 18.3 mg/kg 0.314 RESIN BA1-EFF Nitrogen, Nitrate/Nitrite 9.39 mg/kg J-0.168 RESIN WAA-B Nitrogen, Nitrate/Nitrite 149 mg/kg 8.35 RESIN WAA-C Nitrogen, Nitrate/Nitrite 243 mg/kg 8.31 RESIN WAA-D Nitrogen, Nitrate/Nitrite 369 mg/kg 8.42 RESIN WAA-EFF Nitrogen, Nitrate/Nitrite 456 mg/kg 8.35 RESIN BA1-CAT TOP Nitrogen, Nitrate/Nitrite ND mg/kg U

0.170 RESIN BA1-CAT COMP Nitrogen, Nitrate/Nitrite ND mg/kg U

0.167 RESIN WAA-CAT TOP Nitrogen, Nitrate/Nitrite 0.592 mg/kg 0.169 RESIN WAA-CAT COMP Nitrogen, Nitrate/Nitrite 2.90 mg/kg 0.167 RESIN BA1-A Sulfate 34.8 mg/kg 2.58 RESIN BA1-B Sulfate 13.5 mg/kg 2.27 RESIN BA1-C Sulfate 21.1 mg/kg 2.30 RESIN BA1-D Sulfate 11.3 mg/kg 2.41 RESIN BA1-EFF Sulfate 3.92 mg/kg J

1.32 RESIN WAA-B Sulfate 1.71 mg/kg J

1.33 RESIN WAA-C Sulfate 1.65 mg/kg J

1.30 RESIN WAA-D Sulfate ND mg/kg U

1.33 RESIN WAA-EFF Sulfate ND mg/kg U

1.30 Page1 of 4

Table 5 - Cation and Anion Resin Sample Analysis Results - Chemical Cimarron Treatability Study - Run 2 Sample No Parameter Lab Result Units Lab or Review Qual MDL RESIN BA1-A Aluminum 260 mg/kg 29.0 RESIN WAA-B Aluminum 174 mg/kg 5.32 RESIN BA1-CAT TOP Aluminum 6.75 mg/kg J

5.14 RESIN BA1-CAT COMP Aluminum ND mg/kg U

4.93 RESIN WAA-CAT TOP Aluminum ND mg/kg U

4.87 RESIN WAA-CAT COMP Aluminum ND mg/kg U

5.85 RESIN BA1-A Arsenic 4.11 mg/kg J

1.93 RESIN WAA-B Arsenic 2.43 mg/kg 0.355 RESIN BA1-CAT TOP Arsenic ND mg/kg U

0.034 RESIN BA1-CAT COMP Arsenic ND mg/kg U

0.033 RESIN WAA-CAT TOP Arsenic ND mg/kg U

0.033 RESIN WAA-CAT COMP Arsenic ND mg/kg U

0.039 RESIN BA1-A Barium 2.57 mg/kg 0.193 RESIN WAA-B Barium 2.10 mg/kg 0.177 RESIN BA1-CAT TOP Barium 106 mg/kg 0.171 RESIN BA1-CAT COMP Barium 33.9 mg/kg 0.164 RESIN WAA-CAT TOP Barium 99.3 mg/kg 0.162 RESIN WAA-CAT COMP Barium 40.4 mg/kg 0.195 RESIN BA1-A Beryllium ND mg/kg U

0.193 RESIN WAA-B Beryllium 0.101 mg/kg J

0.036 RESIN BA1-CAT TOP Beryllium ND mg/kg U

0.034 RESIN BA1-CAT COMP Beryllium ND mg/kg U

0.033 RESIN WAA-CAT TOP Beryllium ND mg/kg U

0.033 RESIN WAA-CAT COMP Beryllium ND mg/kg U

0.039 RESIN BA1-A Cadmium ND mg/kg U

0.039 RESIN WAA-B Cadmium ND mg/kg U

0.036 RESIN BA1-CAT TOP Cadmium ND mg/kg U

0.034 RESIN BA1-CAT COMP Cadmium ND mg/kg U

0.033 RESIN WAA-CAT TOP Cadmium ND mg/kg U

0.033 RESIN WAA-CAT COMP Cadmium ND mg/kg U

0.039 RESIN BA1-A Calcium 1,260 mg/kg 63.8 RESIN WAA-B Calcium 655 mg/kg 11.7 RESIN BA1-CAT TOP Calcium 65,400 mg/kg 113 RESIN BA1-CAT COMP Calcium 55,200 mg/kg 108 RESIN WAA-CAT TOP Calcium 54,900 mg/kg 107 RESIN WAA-CAT COMP Calcium 51,200 mg/kg 129 Page2 of 4

Table 5 - Cation and Anion Resin Sample Analysis Results - Chemical Cimarron Treatability Study - Run 2 Sample No Parameter Lab Result Units Lab or Review Qual MDL RESIN BA1-A Chromium 5.43 mg/kg 1.93 RESIN WAA-B Chromium 8.62 mg/kg 0.355 RESIN BA1-CAT TOP Chromium 0.723 mg/kg J

0.343 RESIN BA1-CAT COMP Chromium 0.692 mg/kg J

0.328 RESIN WAA-CAT TOP Chromium 0.420 mg/kg J

0.325 RESIN WAA-CAT COMP Chromium 0.580 mg/kg J

0.390 RESIN BA1-A Copper 121 mg/kg 0.638 RESIN WAA-B Copper 212 mg/kg 0.117 RESIN BA1-CAT TOP Copper 0.151 mg/kg J

0.113 RESIN BA1-CAT COMP Copper 0.139 mg/kg J

0.108 RESIN WAA-CAT TOP Copper ND mg/kg U

0.107 RESIN WAA-CAT COMP Copper ND mg/kg U

0.129 RESIN BA1-A Iron 1,530 mg/kg 63.8 RESIN WAA-B Iron 855 mg/kg 11.7 RESIN BA1-CAT TOP Iron 91.1 mg/kg 11.3 RESIN BA1-CAT COMP Iron 77.8 mg/kg 10.8 RESIN WAA-CAT TOP Iron 71.2 mg/kg 10.7 RESIN WAA-CAT COMP Iron 73.2 mg/kg 12.9 RESIN BA1-A Lead 2.86 mg/kg 0.193 RESIN WAA-B Lead 7.19 mg/kg 0.177 RESIN BA1-CAT TOP Lead ND mg/kg U

0.171 RESIN BA1-CAT COMP Lead ND mg/kg U

0.164 RESIN WAA-CAT TOP Lead ND mg/kg U

0.162 RESIN WAA-CAT COMP Lead ND mg/kg U

0.195 RESIN BA1-A Magnesium 79.9 mg/kg 19.3 RESIN WAA-B Magnesium 67.0 mg/kg 3.55 RESIN BA1-CAT TOP Magnesium 12,400 mg/kg 3.43 RESIN BA1-CAT COMP Magnesium 12,200 mg/kg 3.28 RESIN WAA-CAT TOP Magnesium 8,410 mg/kg 3.25 RESIN WAA-CAT COMP Magnesium 14,900 mg/kg 3.90 RESIN BA1-A Manganese 43.0 mg/kg 1.93 RESIN WAA-B Manganese 10.6 mg/kg 0.355 RESIN BA1-CAT TOP Manganese 36.2 mg/kg 0.343 RESIN BA1-CAT COMP Manganese 23.3 mg/kg 0.328 RESIN WAA-CAT TOP Manganese 5.53 mg/kg 0.325 RESIN WAA-CAT COMP Manganese 8.14 mg/kg 0.390 Page3 of 4

Table 5 - Cation and Anion Resin Sample Analysis Results - Chemical Cimarron Treatability Study - Run 2 Sample No Parameter Lab Result Units Lab or Review Qual MDL RESIN BA1-A Nickel 15.3 mg/kg 0.966 RESIN WAA-B Nickel 35.3 mg/kg 0.177 RESIN BA1-CAT TOP Nickel 1.34 mg/kg 0.171 RESIN BA1-CAT COMP Nickel 1.21 mg/kg 0.164 RESIN WAA-CAT TOP Nickel 1.11 mg/kg 0.162 RESIN WAA-CAT COMP Nickel 1.35 mg/kg 0.195 RESIN BA1-A Potassium ND mg/kg U

155 RESIN WAA-B Potassium 31.5 mg/kg J

28.4 RESIN BA1-CAT TOP Potassium 74.0 mg/kg J

27.4 RESIN BA1-CAT COMP Potassium 65.6 mg/kg J

26.3 RESIN WAA-CAT TOP Potassium 46.5 mg/kg J

26.0 RESIN WAA-CAT COMP Potassium 70.0 mg/kg J

31.2 RESIN BA1-A Selenium 7.49 mg/kg J

3.19 RESIN WAA-B Selenium 3.95 mg/kg 0.585 RESIN BA1-CAT TOP Selenium ND mg/kg U

0.566 RESIN BA1-CAT COMP Selenium ND mg/kg U

0.542 RESIN WAA-CAT TOP Selenium ND mg/kg U

0.536 RESIN WAA-CAT COMP Selenium ND mg/kg U

0.643 RESIN BA1-A Sodium 351 mg/kg J

155 RESIN WAA-B Sodium 89.7 mg/kg 28.4 RESIN BA1-CAT TOP Sodium 1,070 mg/kg 27.4 RESIN BA1-CAT COMP Sodium 999 mg/kg 26.3 RESIN WAA-CAT TOP Sodium 581 mg/kg 26.0 RESIN WAA-CAT COMP Sodium 1,040 mg/kg 31.2 RESIN BA1-A Thallium ND mg/kg U

0.116 RESIN WAA-B Thallium ND mg/kg U

0.106 RESIN BA1-CAT TOP Thallium ND mg/kg U

0.103 RESIN BA1-CAT COMP Thallium ND mg/kg U

0.099 RESIN WAA-CAT TOP Thallium ND mg/kg U

0.098 RESIN WAA-CAT COMP Thallium ND mg/kg U

0.117 RESIN BA1-A Zinc 633 mg/kg 3.87 RESIN WAA-B Zinc 727 mg/kg 0.710 RESIN BA1-CAT TOP Zinc 1.68 mg/kg J U*

0.686 RESIN BA1-CAT COMP Zinc 16.5 mg/kg J U*

0.657 RESIN WAA-CAT TOP Zinc 1.87 mg/kg J U*

0.650 RESIN WAA-CAT COMP Zinc 2.80 mg/kg J U*

0.779 Note: Collection date for all samples is 12/16/2013 Page4 of 4

Table 6 - Cation and Anion Resin Sample Analysis Results - Radiological Cimarron Treatability Study - Run 2 Sample No Parameter Lab Result Uncertainty Units Lab or Review Qual MDL RESIN BA1-A U-234 75,300 2,990 pCi/g 47.1 U-235 5,370 801 pCi/g 75.5 U-238 46,600 2,350 pCi/g 87.0 RESIN BA1-B U-234 61,700 2,730 pCi/g 135.0 U-235 4,550 744 pCi/g 87.5 U-238 38,700 2,160 pCi/g 54.6 RESIN BA1-C U-234 52,400 2,470 pCi/g 117.0 U-235 3,190 613 pCi/g 50.0 U-238 34,200 2,000 pCi/g 49.9 RESIN WAA-B U-234 694 46.9 pCi/g 3.9 U-235 37.4 12.3 pCi/g 4.9 U-238 288 30.2 pCi/g 2.5 RESIN WAA-C U-234 4.65 4.75 pCi/g U

6.18 U-235 2.07 3.54 pCi/g U

3.10 U-238 7.95 5.47 pCi/g 4.63 RESIN BA1-CAT TOP U-234 0.964 0.545 pCi/g 0.22 U-235 0.253 0.364 pCi/g U

0.44 U-238 0.409 0.389 pCi/g U

0.41 RESIN BA1-CAT COMP U-234 1.070 0.679 pCi/g 0.48 U-235 0.0934 0.350 pCi/g U

0.59 U-238 0.676 0.596 pCi/g U

0.70 RESIN WAA-CAT TOP U-234 0.247 0.313 pCi/g U

0.39 U-235 0.0659 0.247 pCi/g U

0.42 U-238 0.124 0.243 pCi/g U

0.34 RESIN WAA-CAT COMP U-234 0.120 0.273 pCi/g U

0.47 U-235

-0.059 0.179 pCi/g U

0.50 U-238

-0.032 0.142 pCi/g U

0.37 RESIN BA1-A Am-241 3.51 13.2 pCi/g U

11.3 RESIN BA1-B Am-241 3.31 12.4 pCi/g U

12.1 RESIN BA1-C Am-241

-0.999 8.62 pCi/g U

11.0 RESIN WAA-B Am-241 0.131 0.330 pCi/g U

0.60 RESIN WAA-C Am-241 0.0586 0.165 pCi/g U

0.18 RESIN BA1-CAT TOP Am-241

-0.044 0.197 pCi/g U

0.50 RESIN BA1-A Np-237

-3.28 11.1 pCi/g U

14.7 RESIN BA1-B Np-237 2.12 13.7 pCi/g U

16.3 RESIN BA1-C Np-237 1.26 13.2 pCi/g U

1.29 RESIN WAA-B Np-237

-0.069 0.604 pCi/g U

1.04 RESIN WAA-C Np-237

-0.149 0.451 pCi/g U

1.04 RESIN BA1-CAT TOP Np-237 0.042 0.125 pCi/g U

0.222 Page 1 of 2

Table 6 - Cation and Anion Resin Sample Analysis Results - Radiological Cimarron Treatability Study - Run 2 Sample No Parameter Lab Result Uncertainty Units Lab or Review Qual MDL RESIN BA1-A Pu-238 10.3 20.8 pCi/g U

17.4 RESIN BA1-A Pu-239/240 5.17 14.5 pCi/g U

7.94 RESIN BA1-B Pu-238 33.2 29.0 pCi/g U

20.6 RESIN BA1-B Pu-239/240

-4.21 14.2 pCi/g U

21.5 RESIN BA1-C Pu-238 18.2 24.1 pCi/g U

19.0 RESIN BA1-C Pu-239/240

-3.34 15.1 pCi/g U

20.9 RESIN WAA-B Pu-238

-0.664 2.01 pCi/g U

5.64 RESIN WAA-B Pu-239/240

-0.664 2.01 pCi/g U

5.64 RESIN WAA-C Pu-238 0.000 2.10 pCi/g U

3.13 RESIN WAA-C Pu-239/240

-0.793 5.58 pCi/g U

12.3 RESIN BA1-CAT TOP Pu-238

-0.036 0.159 pCi/g U

0.415 RESIN BA1-CAT TOP Pu-239/240 0.075 0.211 pCi/g U

0.225 RESIN BA1-A Tc-99 112 40.9 pCi/g 64.7 RESIN BA1-B Tc-99 195 117 pCi/g 192 RESIN BA1-C Tc-99 122 55.5 pCi/g 89.3 RESIN WAA-B Tc-99 5,800 114 pCi/g 16.0 RESIN WAA-C Tc-99 5,440 107 pCi/g 17.6 RESIN BA1-CAT TOP Tc-99

-0.137 0.979 pCi/g U

1.69 Note: Collection date for all samples is 12/16/2013 Page 2 of 2