Text

App E to Processing Site Characterization Rept for U Mill Tailings Site at Shiprock,Nm
	ML20206M044
Person / Time
Issue date:	03/31/1986
From:	; NRC
To:	;
References
	REF-WM-58 NUDOCS 8607010035
	Download: ML20206M044 (69)
	v • d • e

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l APPENDIX E TO THE PROCESSING SITE l

CHARACTERIZATION REPORT FOR THE URANIUM MILL TAILINGS SITE AT l

SHIPROCK, NEW MEXICO MARCH, 1986 I

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I APPENDIX E SUPPLEMENTAL GROUND-WATER INFORMATION 3

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TABLE OF CONTENTS Section Page Preface i

E.1 Regime and flow..........................

1 E.2 Ground-water quality and contaminant migration..........

3 E.3 Water uses and standards.....................

5 References............................... 37 I

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LIST OF FIGURES Figure Page E.1 Floodplain monitoring well location................

6 E.2 Cross-section locations......................

7 E.3 Cross-section A-A'........................

8 E.4 Cross-section B-B'........................

9 E.5 Cross-section C-C'........................

10 E.6 Cross-section D-D'........................

11 E.7 Cross-section E-E'........................

12 E.8 Ground-water elevations, October, 1985..............

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E.9 Iso-concentrations of chloride, October, 1985...........

14 E.10 Iso-concentrations of fluoride, October,1985...........

15 E.11 Iso-concentrations of nitrate, October, 1985...........

16 E.12 Iso-concentrations of sulfate, October, 1985...........

17 E

E.13 Iso-concentrations of total dissolved solids, October, 1985....

18 5

E.14 Iso-concentrations of uranium, October, 1985...........

19 E.15 Hydrologic setting........................

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LIST OF TABLES Table Page E.1 Moni toring well information....................

21 E.2 Static ground-water levels....................

22 E.3 Ground-water quality data by location...............

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PREFACE I

The following appendix contains supplemental ground-water information for the Shiprock Uranium Mill Tailings Site. The supplemental information is provid-I ed to characterize ground-water conditions in the floodplain alluvium north of the mill site.

Figures and tables are provided at the end of the text.

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E.1 REGIME AND FLOW l

I Field studies were conducted in two phases.

An initial reconnaissance phase was started in September, 1984, with the installation of seven wellpoints (wells 601 through 607).

These wellpoints were used to sample ground water in October, 1984.

Following the evaluation of water-quality analyses from the re-connaissance, the second phase of the studies was started in August,1985. The second phase included the installation of 25 monitoring wells (608 through 632) and one wellpoint (633).

The locations of all of the monitnring wells and wellpoints are shown in Figure E.1.

Details of the completion of each well are provided in Table E.1.

The drilling of the monitoring wells showed that a 14-to 24-foot thick lay-er of alluvium overlies Mancos Shale. A cross-section location map is presented in Figure E.2, and cross-sections are presented in Figures E.3 through E.7.

Ground-water flow at the upstream end of the floodplain generally parallels the direction of flow in the San Juan River.

Toward the middle of the flood-I pl ai n, measured ground-water levels are generally within a foot of each other, and flow appears to be relatively stagnant (Figure E.8).

Data on ground-water levels are presented in Table E.2.

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E.2 GROUND-WATER QUALITY AND CONTAMINANT MIGRATION I

During the operation of the Shiprock mill, contaminated water discharged on-to the floodplain alluvium as seeps from the Mancos Shale escarpment bordering I

the floodplain (PHS,1962).

It is known that a pond of undetermined use was lo-cated on the floodplain (Anonymous photograph,1974), and may have received con-taminated water from the mill.

The seeps and the pond represent potential I

sources of contamination to the floodplain alluvium.

The apparently stagnant ground water in portions of the alluvium (Figure E.8) indicates that contaminat-ed water could have remained in place for years subsequent to deposition.

The wellpoints installed during the first phase of the studies were sampled in October, 1984.

Af ter installation of additional wells, all of the wells and wellpoints were sampled in September and October, 1985.

The analytical results of both rounds of sampling are reported in Table E.3.

Iso-concentration maps for constituents which exceeded Federal and/or New Mexico water quality stan-dards; including chloride, fluoride, nitrate, sulf ate, total dissolved solids (TDS), and uranium, are presented in Figures E.9 through E.14.

The background quality of ground water in the floodplain alluvium is diffi-cult to determine.

The furthest upgradient monitoring wells (608, 609) showed I

indications of contamination.

One wellpoint (601) appeared to be uncon tam-inated, however, it was dry during the second round of water sampling.

I In order to determine a range for background water quality, data were re-trieved from the U.S. Geological Survey database WATSTORE for the San Juan River at Farmington and Fruitland, New Mexico.

The quality of the river water is as-sumed to be equivalent to the quality of water which would recharge the flood-I plain alluvium at this upstream end.

The range of quality for selected constituents is shown on Figures E.9 through E.14.

Two wells (631 and 632) were installed in alluvium on the opposite side of the river and downstream from the mill site.

Background water quality for these wells is even more difficult to determine.

On that side of the river, return I

flow from extensive irrigated agriculture could potentially affect water qual-ity.

Because of the irrigation return flow and the potential for leaching of salts from the underlying Mancos Shale, alluvial water quality on the opposite side of the river could be expected to have elevated (relative to the San Juan I

River quality) concentrations of sulfate, TDS, chloride, nitrate, and other con-stituents.

There are a couple of indicators of contamination at the two wells.

Vanadium, which is associated with uranium mill tailings (the Shiprock mill re-covered vanadium as well as uranium), was reported at both wells (631 and 632) at a concentration of 0.40 mg/1.

Expected background concentrations of vanadium would probably be < 0.01 mg/1.

Molybdenum, which is also commonly associated I

with uranium mill tailings, was reported at well 631 at a concentration of 0.20 mg/l and at well 632 at a concentration of 0.06 mg/1. Expected background con-centrations of moloybdenum might range from < 0.01 mg/l to 0.01 mg/1, based on WATSTORE data.

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The concentration of uranium reported at wells 631 and 632 exceeds the back-ground concentrations in the river.

A regional background can be defined with 3

an " anomaly threshhold" of 48 ug/l (Scott and Barker, 1962), and the reported 5

concentrations at wells 631 and 632 are below that threshhold.

The apparent contamination of ground water across the San Juan River has limited inportance for several reasons.

Foremost is the fact that there is no use of this water, and utilization of the water is unlikely because of the avail-ability of a better quality municipal supply (Section E.3).

Another reason is j

that the other sources of contamination to the ground water, both natural (leach-a ing of salts from the Mancos Shale) and man-made (concentration of salts in irri-gation return flow), tend to overshadow the effects of apparent contamination from the mill.

Finally, there are no drinking water standards for either molyb-denum or vanadium.

This may be attributed to the fact that data on toxic ef-fects in humans for the two elements are lacking (Safe Drinking Water Committee, 1977).

Surface water in the adjacent San Juan River is apparently not affected by contamination in the alluvium, i.e. there is no detectable degradation of the 3

river. Even when the mill was operating and drainage from the mill was discharg-E ing into the river, contamination of the river was not detectable as stated in PHS, 1962:

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" Radioactive and chemical pollution of the river by direct surf ace dis-charge of the seeps and mill drain were negligible under conditions prevail-ing at the time of survey.

However, chemical pollution from these sources at times of very low river flow would be significant."

Because contamination was negligible when the mill was discharging contam-3 inated water to the river, it is reasonable to find that there is no measurable E

degradation of the river now that the direct discharges have ceased and only ground water can discharge to the river.

I Two wells (622 and 633) were sampled to be analyzed for organic pollutants.

None of the EPA priority pollutants were detected.

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E.3 WATER USES AND STANDARDS An infiltration gallery was fomerly operated within the town of Shiprock to provide the community water supply. One radial darm" of the gallery penetrat-I ed the downstream end of alluvium in the meander bend adjacent to the mill site (Figure E.15).

In 1968, control of water supply for Shiprock was transferred from the Bureau of Indian Affairs (BI A) to the Navajo Tribe Utility Authority (NTUA).

Subsequent to this transfer, the water treatment plant in Shiprock was shut down, as was the infiltration gallery which fed the plant.

Water was brought in from Farmington.

The treatment plant was later reopened and used to I

treat water from a canal.

Currently the NTUA is developing water supply from an intake which takes water directly from the San Juan River (Thomas,1986).

The U.S.

Bureau of Mines also operated an infiltration gallery (Figure I

E.15) to supply a helium plant downstream of the uranium mill.

The Bureau of Mines suspended operations in July,1968, and subsequently transferred the plant to the Navajo Tribe.

After unsuccessful efforts to operate the plant by the Navajo Tribe and other companies, the plant was dismantled (Tully,1986).

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--- WELL CASING LDCOTION CDORDINATE CDORDINATE ELEVATION DEPTH DIAMETER ELEVATION DEPTH DIAMETER DEPTH LENGTH ID CFT.)

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FLOW RELATIONSHIP FORMATION OF COMPLETION: ALLUVIUM 601 10400.0 14250.0 4890.00 6.00 1.250 4890.00 3.58 1.250 0.35 2.9 UP GRADIENT 602 10140.0 10850.0 4890.00 7.00 1.250 4890.00 3.58 1.250 0.35 2.9 DOWN GRADIENT 603 10300.0 10200.0 4888.00 5.00 1.250 4888.00 3.58 1.250 1.35 1.9 DOWN GRADIENT 604 10720.0 9750.0 4888.00 6.00 4.250 4888.00 3.58 1.250 0.35 2.9 DOWN GRADIENT LOS 10117.0 9370.5 4898.77 3.80 1.250 4898.77 3.80 1.250 1.15 2.3 DOWN GRADIENT 606 10446.1 9550.5 4887.67 5.30 1.250 4888.57 5.30 1.250 4.65 2.3 DOWN GRADIENT 607 10160.0 10350.0 4888.00 6.60 1.250 4890.00 6.60 1.250 3.95 2.3 DOWN GRADIENT 608 8642.0 14849.1 4892.74 17.00 8.750 4895.06 19.00 4.000 12.00 5.0 DOWN GRADIENT 609 8656.6 11812.4 4892.59 10.80 8.750 4894.59 12.00 4.000 5.00 5.0 DOWN GRADIENT 610 8893.0 19440.6 4893.95 14.00 B.750 4896.30 13.00 4.000 6.00 5.0 DOWN GRADIENT 611 8899.2 11429.7 4894.05 16.50 8.750 4896.29 18.50 4.000 11.50 5.0 DOWN GRADIENT 612 9492.1 11665.7 4892.90 12.00 8.750 4894.85 14.00 4.000 7.00 5.0 DOWN GRADIENT r

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4891.88 12.00 8.750 4894.63 14.00 4.000 7.00 5.0 DOWN GRADIENT i

644 9199.4 11058.0 4891.83 17.00 8.750 4895.03 19.00 4.030 12.00 5.0 DOWN GRADIENT 615 9744.7 10667.3 4890.96 11.50 0.750 4893.17 13.50 4.000 6.50 5.0 DOWN GRADIENT 613 10213.5 11140.8 4890.78 12.00 8.750 4893.17 14.00 4.000 7.00 5.0 DOWN GRADIENT h3 617 10440.6 10862.4 4890.35 12.00 8.750 4892.67 14.00 4.000 7.00 5.0 DOWN GRADIENT 618 10138.1 10849.3 4890.13 18.00 8.750 4892.55 20.00 4.000 13.00 5.0 DOWN ORADIENT 619 10524.1 10501.5 4891.02 15.00 8.750 4892.99 17.00 4.000 40.00 5.0 DOWN GRADIENT (20 10462.2 10344.0 4888.36 20.00 8.750 4890.40 21.80 4.000 14.00 5.0 DOWN GRADIENT l"

621 10164.7 10353.9 4888.50 17.00 8.750 4890.87 19.00 4.000 12.00 5.0 DOWN GRADIENT 622 10460.5 10364.8 4888.70 12.00 8.750 4891.24 14.00 4.000 7.00 5.0 DOWN GRADIENT 623 10610.8 10355.8 4889.86 17.00 8.750 4892.09 19.00 4.000 12.00 5.0 DOWN GRADIENT 624 10598.4 10352.4 4889.60 22.00 8.750 4892.34 24.00 4.000 17.00 5.0 DOWN GRADIENT 625 10586.5 10348.9 4889.99 11.50 8.750 4892.36 13.50 4.000 6.50 5.0 DOWN GRADIENT 626 10524.9 10040.7 4888.76 16.50 8.750 4891.18 18.50 4.000 11.50 5.0 DOWN GRADIENT 627 10725.9 9749.2 4887.84 15.00 8.750 4890.31 17.00 4.000 10.00 5.0 DOWN GRADIENT 628 10716.5 9758.9 4888.37 12.00 8.750 4891.37 14.00 4.000 7.00 5.0 DOWN GRADIENT 629 10558.8 9477.7 4886.18 17.00 8.750 4888.68 19.00 4.000 12.00 5.0 DOWN GRADIENT l

630 10547.5 9482.5 4886.24 12.00 8.750 4889.07 14.00 4.000 7.00 5.0 DOWN GRADIENT 431 12355.1 9134.7 4889.55 20.00 8.750 4892.05 22.00 4.000 15.00 5.0 DOWN GRADIENT 632 12343.9 9137.7 4889.56 15.00 0.750 4891.81 17.00 4.000 10.00 5.0 DOWN GRADIENT 633 9589.5 9300.9 4915.99 3.42 1.250 4918.24 6.42 1.250 3.00 3.0 DOWN GRADIENT l

l l MAPPER DATA FILE: SHP01sUDPMWI100013 t

i l

TABLE E.2 STATIC c 00an uAirn uVELS f

SITE: SHIPROCK FORMATION OF COMPLETION: ALLtWIUM l

NORTH EAST GRHHHD GROUND WATFR GROUND WATER LOCATION COORDINATE COORDINATE LOG ELEVATION DEPTH LLEVATION j

ID (FT.)

(FT.)

LOG DATE' TIME (FT. MSL3 (FT.3 (FT. MSL)

(

601 10400.0 11250.0 12/19/05 17:44 4090.00 DRY DRY 602 10440.0 10050.0 12/19/05 17:49 4890.00 6.39 4883.64 603 40300.0 10200.0 10/02/05 12:18 4000.00 4.??

48H3.78 603 40300.0 10200.0 12/19/05 17:49 4000.00 3.00 4084.92 604 10/20.0 9750.0 10/03/85 15:30 4BHH.00 3.33 4004.67 604 10720.0 9750.0 12/19/05 17:41 4008.00 4.11 4083.89 l

60S 10117.0 9370.5 10/03/05 16:55 4890.77 2.01 4895.96 606 10446.1 9550.5 17/19/05 17:50 4087.67 1.20 4086.47 607 10160.0 10350.0 10/02/85 14:31 4HH8.00 5.37 4H02.63 607 10160.0 10350.0 12/19/05 1/:21 4000.00 5.41 4082.09 608 8642.0 11849.1 09/28/05 16:20 409?.74 3.17 4089.57 609 0656.6 41012.4 09/29/05 10:20 4892.59 2.78 4089.81 610 8893.0 11440.6 09/29/05 42:35 4093.95 6.89 4887.07 611 8099.2 11429.7 09/29/05 15:50 4094.05 6.05 4087.20 l

612 9192.1 11665.7 09/29/05 13:56 4092.90 4.37 4888.53 643 9496.3 11047.9 09/30/85 40:55 4091.00 4.94 4086.94 l

614 9489.4 11058.0 09/30/05 15:30 4091.03 4.12 4087.71 m

N 615 9744.7 10667.3 10/01/05 09:45 4090.96 5.17 4885.79 646 40213.5 11140.8 10/04/05 13:b5 4890./0 4.66 4H86.12 616 40213.5 19140.8 12/19/H5 17:00 4090./8 4.02 4006.76 617 10440.6 10862.4 10/01/05 14:20 4090.35 4.99 4805.36 617 10440.6 10062.4 12/19/85 17:16 4090.35 4.25 4086.10 618 10138.1 10849.3 10/01/05 10:30 4090.13 4.39 4085.74 618 10138.1 10849.3 12/19/05 17:40 4890.13 3.78 4806.35

(

619 10524.1 10501.5 10/0?/05 10:50 4891.0?

6.13 4HH4.89 619 40524.4 10501.5 12/19/05 17:32 4091.02 5.61 4885.41 620 10162.2 10344.0 10/02/HS 13:35 4HHO.36 2.02 4HH5.54 620 10162.2 10344.0 12/19/05 17:25 4000.36 2.51 4085.85 621 10161./

10353.9 10/0?/05 16:35 4000.50 2.93 4805.57 621 10161.7 10353.9 12/19/05 17:27 4000.50 2.06 4005.64 622 10160.5 10364.8 10/0?/05 17:00 4HH8.70 2.76 4085.94 622 10160.5 10364.8 12/19/05 17:30 4040.70 2.54 4086.16 6?3 40610.8 10355.0 10/03/05 10:30 4889.06 4.99 4004.87 623 10610.8 10355.8 12/19/85 17:30 4009.06 4.60 4889.18 624 10b9H.4 1035?.4 10/03/05 12:30 4Hil9.60 4.37 4RH5.?3 424 40590.4 10352.1 12/19/85 1/:35 4089.60 4.24 4085.34 3

625 10506.5 10348.9 40/03/05 14:00 4009.09 4.64 40H5.25 625 10586.5 40348.9 i?/19/05 17:39 4009.89 4.42 4005.47 6?6 10524.9 40040.7 10/03/05 45:30 4808.76 3.50 48H5.10 426 40524.9 10040.7 12/19/05 t/:43 4000.76 3.52 4005.24 62/

40/?5.9 9749.?

10/03/05 17:05 400/.04 3.0/

4804.77 427 10/25.9 9/49.2 12/19/05 17:46 4007.04 2.50 4885.26 620 10/16.5 9750.9 10/04/05 11:35 4000.3/

3.00 4005.37 620 10/16.5 9750.9 12/19/05 1/245 4808.37 2.50 4 08:5.07 629 10bbH.8 9477.7 10/03/05 10:3S 4006.40

.19 4085.99

m M

M M

m.

TABLE E.2 (concluded)

STATIC GROUND WATLR L EVELS SITE: SilIPROCK FDRMATION OF COMPL.ETION: ALLINIllM NORTH

EAST GRfitlNil GR041ND UATFR GR0tIND Walt R LOCATION 000RDINATE COORDINATE 10G FIEVATION OfPTH ElEUATION ID LFT.)

(FT.)

LOG DATE IIME LFT. MSI.)

(FT.)

(FT. MSL) 629 10S58.8 94N$[

ibibbb ib:'bb IUUE$ib~

.40 khbE.bb 630 10547.5 9482.5 10/04/85 09:55 4004.24

.04 4884.28 630 10547.5 9402.5 12/19/85 17:57 4086.?4

.5?

4006.76 631 12355.1 9131.7 09/30/85 10:30 4H09.55 6.40 4883.15 631 123b5.1 9131.7 12/19/05 10:21 4H09.55 5.93 4HH3.62 632 12343.9 9137.7 09/29/85 16:30 4H09.56 6.74 4882.02 632 12343.9 9137.7 12/19/05 10:20 48H9.56 6.01 4883.55 633 9509.5 9300.9 10/04/85 11:45 4915.99

.25 4916.24 t

M AP P' k DATA FILE: 5HP01muDP5GWL00036 1-i to

},s3 I

I t

I e

i 1 -

i t

1 l

TABLE E*3 GRDUND UATER QUALITY DATO SY LDCOTION SITE: SHIPRDCK 10/10/04 TO 12/16/24 FORMATION 07 COMPLETIDN ALLUVIUM HYDRAULIC FLOU RELATIONSHIP UP GRADIENT LOCATIDN ID - SAMPLE ID AND LOG DATE ---

601-01 10/16/84 UNIT DF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER

.___-UNCERTAINTY VALUE+/

PARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY ALKALINITY MG/L CACO 3 143.

AMMONIUM MG/L 0.91 ANTIMONY MG/L

(

0.003 ARSENIC MG/L

(

0.01 BARIUM MG/L

(

0.1 BORDN MG/L 0.0S CAOMIUM MG/L

(

0.001 CALCIUM MG/L 64.

CHLORIDE M0/L 11.

CHRDMIUM MG/L

(

0.01 COBALT MG/L

(

0.0S CONDUCTANCE UNH0/CM 67S.

COPPER MG/L

(

0.02 FLUORIDE MG/L 0.43 IRON MG/L

(

0.03 n3 LEAD MG/L

(

0.01

- MAGNESIUM MG/L iS.

MANGANESE M0/L 0.74 l MERCURY MG/L

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(

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(

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(

0.1 ORD. CARBDN MG/L 2.1 PB-210 PCI/L

(

.1.5 PH SU 7.37 fHOSPHATE MS/1.

(

0.1S PD-210 PCI/L

(

1.

POTASSIUM MG/L 2.66 R2-226 PCI/L

(

1.

SELENIUM M3/L

(

0.005 SILICA MP/L S.4 SODIUM MS/L 41.9 STRONTIUM MG/L 0.8 SULFOTI M3/L ISO.

TEMPER Af t'F.E C - DEGREE 17.

TH-230 PCI/L

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U-233 PCI/L 1.9 U-238 PCI/L 1.6 VAkADIUM MG/L

(

0.01 ZINC MG/L 0.93 MA*PER INPUT FILE: SHP01sUDPGUQ100070 l

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TABLE E.3 (Continued)

GROUNO UATER DUALITY DATO BY LOCOTION SITE: SHIP;0CK 10/17/84 TO 10/04/85 FORMATION OF COMPLETION: ALLUVIUM HYDRAULIC FLOU RELATIONSHIPS DOUN GRAD *ENT

LOCATION ID - SAMPLE ID AND LOG DATE

= - -

- = - -

611-01 09/29/85 612-01 09/29/85 613-01 09/30/85 614-01 09/30/85 615-01 10/01/85 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY ALMALINITY MG/L CACO 3 287.

243.

390.

561.

473.

ALUMINUM MG/L AMMONIUM MG/L 19 4.

56.

88.

90.

ANTIMONY MG/L ARSENIC MG/L BARIUM MG/L BORON MG/L 1.7 0.3 2.5 11.

4.9 CADMIUM MG/L

(

0.001

(

0.001

(

0.001

(

0.001

(

0.001 CALCIUM MG/L 385.

161.

488.

470.

406.

CHLORIDE MG/L 190.

44.

210.

310.

240.

CHROMIUM MG/L CD8 ALT MG/L CON 00CTANCE UMHO/CM 7000.

1250.

7000.

42000.

10500.

COPPER MG/L 0.04

(

0.02 0.05 0.07 0.05 FLUORIDE MG/L 8.

4.

10.

9.

8.5 gIRON MG/L 0.18 0.04 0.07 0.13 0.08 LEAD MG/L MAGNESIUM M0/L 622.

48.1 801.

1230.

1340.

MANGANESE MG/L 0.87 0.66 2.88 5.01 5.77 MERCURY MG/L MOLYBDENUM MG/L 0.1 0.2 0.15 0.38 0.14 NICKEL MG/L NITROTE MG/L 2000.

4.

300.

1200.

1100.

OR2. CARBON MG/L PB-20 PCI/L PH SU 7.17 7.46 7.2 6.92 7.01 PHOSPHATE MG/L P"-210 PCI/L POTASSIUM MG/L 57.2 13.9 66.3 85.5 103.

RS-226 PCI/L SELENIUM MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 SILICS MG/L SILVER MG/L SODIUM MG/L 1790.

229.

1400.

2290.

3720.

STRONTIUM MG/L SULFATE MG/L 5130.

809.

7110.

9490, 12100.

TEMPERATURE C - DEGREE 18.5 18.

17.

16.5 20.

TH-230 PCI/L TIC MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SOLIDS MG/L 10000.

1470.

12700.

16500.

14700.

U-234 PCI/L U-238 PCI/L URANIUM MG/L 0.704 0.14 4.44 f.78 1.52 UANADIUM MG/L 0.4 0.4 0.6 0.5 0.6 ZINC MG/L 0.092 0.041 0.094 0.248 0.044

W W

W M

M M

M TABLE E.3 (Continued)

GROUNO WATER DUALITY DATS BY LOCOTION SITE: S$1IPROCK 10/17/84 TO 12/C4/85 FORMATION OF COMPLETION: ALLUVIUM HYDRAULIC FLOW RELATIONSHIPS DOWN GRADIENT LOCATIDM ID - SAMPLE ID AND LOG DATE 616-01 10/01/05 617-04 10/01/85 618-04 10/01/85 618-02 10/01/85 618-03 10/01/05 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY

==

ALKALINITY MG/L CACO 3 216.

423.

400.

ALUMINUM MG/L AMMONIUM MG/L 6.1 100.

130.

110.

ANTIMONY M0/L l ARSENIC MG/L BARIUM MG/L BORON MG/L 0.5 0.8 0.9 0.8 0.7 CADMIUM MG/L

(

0.001

(

0.001

(

0.001

(

0.001 0.001 CALCIUM MG/L 177.

352.

364.

345.

367.

CHLORIDE MG/L 16.

92.

88.

87 89.

CHRDMIUM MG/L COAALT MG/L Coh00CTANCE UMHO/CM 1650.

6000.

7000.

COPPER MG/L 0.02 0.04 0.04 0.03 0.04 FLUORIDE MG/L 1.1 1.8 1.9 1.9 1.9 NIRON MG/L

(

0.03 0.04 0.04 0.06 0.05

$ EAD MG/L MAGNESIUM MG/L 46.3 437.

507.

496.

507.

MANGANESE MG/L 0.48 4.5 6.9 6.11 5.69 MERCURY MG/L MOLY 8DENUM MG/L 0.25 0.3 0.3 0.4 0.1 NICMEL MG/L NITR3TE MG/L 9.

88.

75.

67.

58.

ORJ. CAR 8ON MG/L P8-210 PCI/L PH SU 7.2 7.06 6.94 6.9A 6.94 PHOSPHATE MG/L PO-213 PCI/L POTASSIUM MG/L 18.4 63.5 70.2 69.5 70.3 RO-226 PCI/L SELENIUM MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 SILICA MG/L SILVER MG/L SODILN1 MG/L 214.

1120.

1000.

1200.

1170.

STRONTIUM MG/L SULFGTE MG/L 887.

4700.

5030.

5150.

5180.

TEMPERATURE C - DEGREE 20.

21.

20.

TH-230 PCI/L TIN MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SOLIDS MG/L 1530.

7570.

8130.

8090.

8070.

U-234 PCI/L U-238 PCI/L URANIUM MG/L 0.112 0.509 0.548 0.712 0.703 VANADIUM MG/L 0.6 0.4 0.5 9.6 0.1 ZINC MG/L 0.033 0.039 0.034 0.03 0.026 1

l

TABLE E.3 (Continued) oROUw0 uATER oUALITY DATO BY LOCC. TION SITE: SHIPROCK 10/17/84 TO 10/04/35 FORMATION OF COMPLETION: ALLUVIUM HYDRAULIC FLOW RELATIONSHIPS DOUN ORADIENT

- LOCATION ID - SAMPLE ID AND LOG DATE --

618-04 10/01/95 618-05 10/04/85 649-01 10/02/85 620-01 10/02/85 621-04 10/02/05 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER MEASURE VALUE+/-UNCERTAINTY UALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY UALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY ALMALIMITY MS/L CACO 3 400.

400.

950.

1460.

837.

ALUMINUM MG/L AMMONIUM MG/L 100.

120.

43.

10.

13.

ANTIMONY MG/L ARSENIC MG/L BARIUM M0/L BORON MG/L 0.7 0.6 18.

1.2 1.4 CADMIUM MG/L

(

0.001

(

0.001

(

0.001

(

0.004

(

0.001 CALCIUM MG/L 384.

395.

437.

466.

417.

CHLORIDE MG/L 90.

91.

720.

500.

400.

CHROMIUM MG/L CONDUCTANCE UmiO/CM 7000.

7000.

25000.

13000.

10000.

COBALT M0/L COPPER MG/L 0.04 0.04 0.1 0.07 0.06 FLUORIDE MG/L 1.8 1.8 14.

8.7 7.5 uIRON MG/L 0.05 0.05 0.15 0.11 0.07 LEAD MG/L MAGNESIUM M0/L 532.

530.

1206.

1220.

810.

MANGANESE MG/L 5.92 5.71 5.12 5.1 4.32 MOLYBOENUM MG/L 0.4 0.3 0.27 0.16 0.4 MERCURY MG/L NICHEL M0/L NITRATE MG/L 59.

100.

790.

700.

ORG. CARBON MG/L P8-210 PCI/L 6.94 7.26 6.83 6.91 PH SU 6.94 PHOSPHATE MG/L POTESSIUM N0/L 69.7 68.9 161.

80.1 66.6 PO-210 PCI/L RA-226 PCI/L SELENIUM MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 SILICS MG/L S001UM MG/L 450.

1030.

7860.

3290.

2990.

SILVER MG/L STRONTIUM N0/L SULFCTE MG/L 3770.

5070.

19200.

10600.

8700.

TEMPERATURE C - DEGREE 20.

20.

17.

TH-230 PCI/L TIN MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SDLIDS MG/L 8050.

8070.

32600.

19200.

15000.

U-233 PCI/L U-238 PCI/L LCANIUM MG/L

0.602 0.641 3.05 1.71 1.31 UANAOIUM MG/L 0.6 0.6 0.6 0.4 0.47 ZINC MG/L 0.028 0.029 0.146 0.056 0.091

e m

W W

TABLE E.3 (Continued)

GROUND WATER DUALITY DATO BY LOCATION SITE: SHIPROCK 10/17/;4 TO 12/fA/85 FORMATION OF COMPLETION: ALLUVIUM HYDRAULIC FLOW RELATIONSHIPS DOWN GRADIENT

--- ----- LOCATION ID - SAMPLE ID AND LOG DATE 622-01 10/02/B5 622-02 10/02/85 622-03 40/02/85 622-04 40/02/85 622-05 10/02/85 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERfAINTY VALUE+/-UNCERTAINTY UALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY ALKALINITY MG/L CACO 3 964.

964.

ALUMINUM MG/L AMMONIUM MG/L ii.

17.

15.

ii.

ANTIMONY MG/L ARSENIC MG/L BARIUM MG/L BORON MG/L 0.8 1.4 1.6 1.5 1.7 CADMIUM MG/L

(

0.001

(

0.004

(

0.001

(

0.001

(

0.001 CALCIUM MG/L 564.

475.

464.

468.

428.

CHLORIDE MG/L 580.

570.

2200.

CHROMIUM MG/L COBALT MS/L CONDUCTANCE UMN0/CM 12000.

(2000.

12000.

COPPER MG/L 0.07 0.09 0.08 0.09 0.09 FLUORIDE MG/L 12.

9.

9.2 9.7 9.7 wIRON MG/L 0.14 0.1 0.41 0.1 0.1

% EAD MG/L MAGNESIUM MO/L 4290.

1080.

1090.

1050.

1540.

MANGANESE M0/L 2.39 3.59 3.51 3,58 3.66 MERCURY M0/L MDLYBDENUM MG/L

(

0.01 0.2 0.2 0.2 0.2 NICKEL MG/L NITRATE MG/L 810.

1400.

1100.

750.

ORG. CARBON MG/L PB-240 PCI/L PH SU 7.04 7.04 7.04 7.04 7.04 PHOSPHATE M0/L PD-210 PCI/L i

POTASSIUM M0/L 90.6 87.7 84.

83.2 65.6 l RA-226 PCI/L SELENIUM MG/L 0.006

(

0.005

(

0.005

(

0.005

(

0.005 l

SILICA M0/L SILVER MG/L SODIUM M0/L 3200.

4190.

4260.

5210.

4220.

STRONTIUM MG/L SULFATE MG/L 10900.

19800.

19900.

11600.

14600.

TEMPERATURE C - DEGREE 17.5 17.5 17.5 17.5 17.5 TH-230 PCI/L TIN MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SOLIDS M0/L 19900.

20300.

20000.

20200.

U-234 PCI/L U-238 PCI/L UR'.NIUM MG/L 1.7 2.03 1.99 1.82 1.84 VANADIUM MG/L 0.5 0.81 0.6 0.46 0.45 ZINC MG/L 0.437 0.394 0.43 0.434 0.426

TABLE E.3 (Continued)

OR0uMD uATER DUALITY DATO BY LOCOTION I

SITE: SHIPROCK 10/17/04 TO 10/04/85 s

FORMATION OF COMPLETION: ALLUVIUM HYDRAULIC FLOW RELATION 3 HIP: DOWN ORADIENT 3

LOCATION ID - SAMPLE ID AND LOG DATE --

623-01 10/03/95 624-01 10/03/65 625-01 10/03/05 626-04 10/03/95 627-04 10/03/85 UNIT OF PARAMETER PARAMETER FARAMETER PARAMETER PARAMETER PARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY

, ALKALINITY M0/L CACO 3 739.

840.

726.

874.

459.

ALUMINUM MG/L AMMONIUM MG/L 90.

110.

46.

0.7 1.6 ANTIMONY MG/L ARSENIC MG/L BARIUM M0/L BDRON M0/L 0.9 1.6 0.9 0.9 0.6 CADMIUM MG/L

(

0.001

(

0.001

(

0.001

(

0.004

(

0.001 CALCIUM MG/L 545.

524.

520.

533.

344.

CHLORIDE MG/L 530.

600.

530.

730.

180.

CHROMIUM MG/L 3

CDOALT MG/L CONDUCTANCE UMH0/CM 13000.

15500.

12500.

13000.

8000.

., CCPPER MG/L 0.05 0.06 0.07 0.08 0.04 FLUORIDE M0/L 10.

10.

7.

RON MG/L 0.12 0.13 0.1 0.1 0.08 EAD MG/L MAGNESIUM M0/L 1090.

1310.

1110.

926.

485.

MANGANESE M0/L 6.06 6.33 5.15 4.06 3.87 MERCURY MG/L MOLYBDENUM MG/L

(

0.01

(

0.01

(

0.01 0.1 0.13 NICMEL M3/L NITRATE M0/L 940.

1200.

890.

10.

180.

ORD. CARBON MG/L P8-210 PCI/L PH SU 6.92 6.85 7.42 7.22 7.07 PHOSPHATE M0/L PO-210 PCI/L POTASSIUM MG/L iii.

118.

109.

51.8 30.3 RS-226 PCI/L SELENIUM MG/L 0.006 0.006 0.006 0.026

(

0.005 SILICA MG/L SILVER MC/L SODIUM MG/L 3230.

3430.

3030.

3900.

2050.

STRONTIUM MG/L SULFATE MG/L 10600.

14500.

10100.

14300.

6310.

TEMPERATURE C - DEGREE 19.5 19.5 21.

18.

17.

TH-230 PCI/L TIN MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SOLIDS MG/L 18400.

20900.

18400.

18700.

10500.

U-234 PCI/L U-238 PCI/L URANIUM MG/L 1.44 1.56 1.44 1.61 0.67 VANADIUM MG/L 0.8 0.5 0.5 0.5 0.39 l

ZINC MG/L 0.044 0.04 0.068 0.176 0.04 l

E "

M M

M E" -

W W

. W W

W W

M M

M W

W' TABLE E.3 (Continued)

GROUND WATER GUALITY DATA BY LOCATIDH J

SITE: SHIPROCH 10/17/84 TO 90/04/85 FOAMATION OF COMPLETION: ALLUVIUM HYDRAULIC FLOW RELATIDNSHIP: DOWN GRADIENT

==-

LOCATION ID - SAMPLE ID AND LOG DATE 628-04 10/04/05 628-02 10/04/85 628-03 10/09/85 428-04 10/04/85 628-05 10/04/85 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY ALKALINITY MG/L CACO 3 422.

422.

ALUMINUM MG/L AMMONIUM M0/L 4.6 1.2 1.

4.3 1.2 ANTIMONY MG/L ARSENIC MG/L BARIUM MG/L BORON MG/L 0.6 0.5 0.6 0.7 0.5 CADMIUM M0/L

(

0.001

(

0.004

(

0.001

(

0.001

(

0.001 CALCIUM M0/L 327.

392.

382.

380.

400.

CHLORIDE MG/L 180.

180.

CHROMIUM M0/L COSALT MG/L CONDUCTANCE UMN0/CM 7000.

7000.

COPPER MG/L 0.04 0.03 0.03 0.03 0.03 FLUDRIDE MG/L 5.5 4.5 5.7 7.2 7.5 gIRON M0/L 0.1 0.07 0.07 0.04 0.07 LEAD M0/L MAGNESIUM MG/L 399.

379.

384.

389.

408.

MANGANESE M0/L 2.45 1.65 1.65 1.65 1.65 MERCURY MG/L MOLYBDENUM MG/L 0.2 0.05 0.1 0.4 0.23 NICMEL MG/L NITRfiTE M0/L 160.

160.

140.

ORD. CARBON MG/L PB-210 PCI/L PH SU 7.18 7.18 7.48 7.18 7.18 PHOSPHATE M0/L PO-210 PCI/L POTCSSIUM MG/L 27.1 40.6 41.

41.2 44.

RTa-226 PCI/L SELENIUM MG/L 0.01 0.009 0.006 0.004 0.006 SILICA M0/L SILVER MG/L SODIUM MG/L 1990.

1570.

1960.

1840.

1700.

STRONTIUM MG/L SULFATE MG/L 5810.

5020.

5810.

5590.

5430.

TEMPERATURE C - DEGREE 17.

17.

TH-230 PCI/L TIN h0/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SOLIDS MG/L 9400.

9550.

9240.

9420.

9250.

U-234 PCI/L U-238 PCI/L URANIUM MG/L 0.526 0.555 0.597 0.492 0.577 VANADIUM MG/L 0.6 0.5 0.7 0.3 0.7 ZINC MG/L 0.051 0.044 0.049 0.045 0.048 1

TABLE E.3 (continued)

GROUND UATER QUALITY DATO BY LOCATION SITE: SHIPROCK 10/17/84 TO 1C/04/85 FORMATION OF COMPLETION: ALLUVIUM HYDPAULIC FLOW RELATIONSHIPS DOWN GRADIENT LOCATIDN ID - SAMPLE ID AND LOG DATE -- =-

==

629-01 10/03/85 630-04 10/04/85 631-01 09/30/85 631-02 09/30/85 634-03 09/30/85 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER PARAMITER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY

_ =. - - - - - - - _ -

==

. -==_

==

ALMALIMITY MG/L CACO 3 324.

303.

422.

ALUMINUM MG/L AMMONIUM MG/L 0.6 0.3 0.2 0.2 0.3 ANTIMONY MG/L ARSENIC M0/L BARIUM M0/L l

BORON MG/L 0.5 0.8 0.6 0.5 0.5 l

CADMIUM MG/L

(

0.001

(

0.001

(

0.001

(

0.001

(

0.001

( CALCIUM MG/L 567.

498.

540.

436.

492.

CHLORIDE MG/L 180.

180.

150.

CHROMIUM MS/L CD8 ALT MG/L CON 00CTANCE UMH0/CM 7000.

7000.

4300.

COPPER MG/L 0.04 0.04 0.03 0.03 0.03 FLUORIDE MG/L 6.7 6.2 1.6 1.7 1.6 w!RON M0/L 0.08 0.09 0.34 0.32 0.31

LEAD MG/L MAGNESIUM MG/L 337.

330.

229.

221.

237.

MANDANESE MG/L 0.59 0.41 8.62 8.53 9.12 MERCURY MG/L MOLYBDENUM MG/L 0.1 0.05 0.2

(

0.01 0.22 NICKEL M0/L NITRATE MG/L 180.

180.

4 13.

13.

i i

DRO. CARBON M0/L l

PB-210 PCI/L 1

PH SU 7.23 7.22 6.96 6.96 6.96 PHOSPHATE M0/L PD-240 PCI/L POTASSIUM MG/L 23.5 23.9 12.3 12.3 12.5 RA-226 PCI/L SELENIUM MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 i

l SILICA M0/L SILVER M0/L S00IUM MG/L 1660.

1700.

748.

828.

735.

l STRONTIUM M0/L l

SULTATE MG/L 5550.

5390.

3040.

3050.

TEMPERATURE C - DEGREE 15.

15.5 19.

19.

TH-230 PCI/L TIN MG/L

(

0.005

(

0.005

(

0.005

(

0.005

(

0.005 TOTAL SOLIDS MG/L 18600.

8960.

5310.

5330.

I U-234 PCI/L U-238 PCI/L URANIUM M0/L 0.551 0.5 0.0459 0.0159 0.0159 VAMADIUM MG/L 0.4 0.5 0.4 0.5

(

0.01 ZINC M0/L 0.08 0.088 0.073 0.071 0.078

TABLE E.3 (ConClud d)

OROUND UATER QUALITY DATO BY LOCATION e

SITE: SHIPPOCK 10/17/84 TO 12/C4/85 a

'ORMATION OF COMPLETION: ALLUVIUM DRAULIC FLOW RELATIONSHIPS DOWN GRADIENT

-- - - =--

- LOCATION ID - SAMPLE ID AND LOG DATE 631-04 09/30/85 631-05 09/30/85 632-01 09/29/85 633-04 10/04/85 UNIT OF PARAMETER PARAMETER PARAMETER PARAMETER PARAMETER fARAMETER MEASURE VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY VALUE+/-UNCERTAINTY UALUE+/-UNCERTAINTY r____

-___ =

?lMALINITY M0/L. CACO 3 422.

422.

376.

940.

3UMINUM MG/L AMMONIUM M0/L 0.2 0.2 0.2 2.2 ANTIMONY MG/L ARSENIC MG/L

?ARIUM MG/L ORON MG/L 0.6 0.5 0.6 0.9 IADMIUM M0/L

(

0.001

(

0.001

(

0.001

(

0.001

[HLORIDE ALCIUM MG/L 553.

443.

430.

354.

g MG/L 150.

150.

130.

370.

(HROMIUM MG/L YOBALT M0/L 30NDUCTANCE UMHO/CM 4300.

4300.

3900.

10500.

OPPER M0/L 0.03 0.03 0.03 0.06 LUORIDE MG/L 4.5 1.5 1.5 8.7 i RON MG/L 0.3 0.3 0.1 0.04 EAD MG/L MAGNESIUM MG/L 239.

234.

187.

587.

ANGANESE MG/L 8.88 8.88 6.44 0.2 hRCURY M0/L MOLYBDENUM MG/L 0.1 0.25 0.06 0.2

{ICKEL MG/L ITRATE MG/L 6.

12.

3.

240.

e:0. CARBON MG/L gB-240 PCI/L (H

SU 6.96 6.96 7.72 7.6 gHOSPHATE M0/L 0 210 PCI/L 4 TASSIUM 0

MG/L 12.5 12.5 13.3 18.1 4xA-226 PCI/L 2ELENIUM M0/L

(

0.005

(

0.005

(

0.005

(

0.005 NILICA MG/L ILVER MG/L gDDIUM M0/L 710.

820.

714.

2750.

gTRONTIUM M0/L ULFATE MG/L 3090.

3090.

2750.

7670.

EMPERATURE C - DEGREE 19.

19.

20.

H-237 PCI/L IN M0/L

(

0.005

(

0.005

(

0.005

(

0.005

$0TAL SOLIDS MG/L 5360.

5390.

4690.

43000.

234 PCI/L r-238 PCI/L RANIUM M0/L 0.0155 0.0467 0.017 7.21 ANADIUM MG/L 0.4

(

0.01 0.41 0.3 f1NC MG/L 0.065 0.074 0.02 3.82 APPER INPUT FILE: 5HP01mUDPOW0iOOO69 1

a

..14 a

-a a

--.a---

aa

-a_mamm a>

~- - -----,---

a m

a, I

I I

J I

I I

l I

l' t

I I

i 1

I 36 I

REFERENCES I

Anonymous photograph,1974.

Unpublished aerial photograph of Foote Mineral Co.

mill site, Shiprock, New Mexico, available from the UMTRA Project Document I

Control Center, U.S. Department of Energy, Albuquerque Operations Office, Albuquerque, New Mexico.

PHS (Public Health Service),1962.

" Stream Surveys in Vicinity of Uranium Mills IV.

Area of Shiprock, New Mexico - November 1960", available from NTIS, Springfield, Virginia.

Safe Drinking Water Committee, 1977.

Drinking Water an1 Health, National Academy of Sciences, Washington, D.C.

Scott, R.C. and F.B. Barker,1962.

" Data on Uranium and Radium in Groundwater in the United States,1954 to 1957", U.S. Geological Survey Professional Paper 426, United States Government Printing Office, Washington, D.C.

Thomas, J.,

1986.

Bureau of Indian Affairs, Shiprock, New Mexico, personal com-munication to John B.

Price, Sergent, Hauskins & Beckwith, Technical Assistance Contractor to the U.S.

Department of Energy, UMTRA Project I

Office, Albuquerque Operations Office, Albuquerque, New Mexico, dated January 10, 1986.

Tully, P., 1986. U.S. Bureau of Mines, Amarillo, Texas, personal communication I

to John B.

Price, Serger.t, Hauskins & Beckwith, Technical Assistance Contractor to the U.S.

Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico, dated February 9, 1986.

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