ML20204H616

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Rev 4 to Procedure RDW 3.4, Xylene-Based Scintillation Fluid Packaging & Disposal
ML20204H616
Person / Time
Site: Point Beach  NextEra Energy icon.png
Issue date: 05/11/1984
From:
WISCONSIN ELECTRIC POWER CO.
To:
Shared Package
ML20204H448 List:
References
RDW-3.4, NUDOCS 8411120335
Download: ML20204H616 (4)


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RDW 3.4 MINOR Revision 4 05-11-84 XYLENI-BASED SCINTILLATION FLUID PACKAGING AND DISPOSAL 1.0 GENERAL This procedure defines the method to be used to dispose of xylene-based scintillation fluids. It shall remain in effect no longer than December 31, 1984 (

Reference:

U. S. Ecology Washington License WN-1019-2, paragraph 27b). Scintillation fluids will be packaged for disposal at Richland, Washington, until that time.

Packages of scintillation fluids will usually be shipped as radioactive LSA material and, therefore, the guidelines in RDW 5.3 apply.

2.0 REFERENCES

2.1 " Absorbents Approved for Use in Packaging Radioactive Wastes,"

undated memorandLa from E. Lee Gronemeyer, In-Charge Transportation and Waste' Management, Department of Social and Health Services, State of Washington 2.2 49 CFR Parts 100 to 178 2.3 10 CFR Part 61, Licensing Requirements for Land Disposal of Radioactive Waste 2.4 10 CFR Part 71, Packaging of Radioactive Material for Transport 2.5 U. S. Ecology State of Washington Radioactive Materials License WN-1019-2 3.0 PRECAUTIONS 3.1 'This procedure applies to xylene based scintillation fluids for shipment to Richland, Washington, only.

3.2 Handle scintillation fluids in accordance with procedures for flammable and hazardous liquids as appropriate.

3.3 Leave the fluid in its original vial.

4.0 REQUIRED SHIPPING MATERIALS O P

4.1 55-gallon steel drum, DOT specification 17H (49 CFR 178.118, 173.119b,c,d).

4.2 Hi-Dri absorbent, 40-pound bags.

( 4.3 Plastic bag, 4 mil minimum thickness, large enough to line a 55-gallon drum.

4.4 Adhesive tape 4.5 " Sharpie" pen and "Sanford" marker, or equivalent indelible ink pens and markers

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RDW 3.4 Page 2

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5.0 PACKING THE DRUM 5.1 Line a 55-gallon drum with a large plastic bag.

5.2 Empty a bag of Hi-Dri into the drum.

5.3 Put 400 counting vials of scintillation fluid on top of the Hi-Dri.

Vials should be left in their cardboard packing box. The caps of the vials shall be upward. The vials should form a layer 56' thick.

5.4 Repeat Steps 5.2 and 5.3 two times.

5.5 Put half a bag of Hi-Dri in the drum.

5.6 Put 100 vials on top of the Hi-Dri.

5.7 Put the remaining half bag of Hi-Dri over the vials.

The total material in the drum will be 1300 vials and four bags of Hi-Dri.

5.8 Twist the bag shut and seal it with tape.

5.9 Ensure that the drum lid gasket is in place and not damaged. Put the lid on, tighten, and seal.

5.10 Obtain a waste permit number from the control room. Tell the control room the amount of liquid and Hi-Dri that is in the drum.

5.11 Fill out a drum processing tag with weatherproof ink. A " Sharpie"

! pen is suitable. Affix the tag to the drum top.

5.12 Write the weight on the drum lid in large numbers using weatherproof ink. A "Sanford" marker is suitable. (40 CFR 172.310) 6.0 MARKING AND LABELING 6.1 r _k the following proper shipping names on two sides and the top of the drum. (49 CFR 172.301)

RADIOACTIVE LSA, N.O.S. UN-2912 WASTE XYLENE, UN-1307 CLASS A WASTE

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6.2 Mark the follewing words near 'he top of the drum. (49 CFR 172.312) k "THIS END UP" l

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RDW 3.4 Page 3 6.3 Mark the name and address of Point Beach Nuclear Plant in an l appropriate spot. (49 CFR 172.306)

Wisconsin Electric Power Company 6610 Nuclear Road Two Rivers, WI 54241 6.4 Survey the drum for radiation and contamination levels. Refer to RDW 5.6 for applicable limits.

6.5 Place a " Flammable Liquid" label next to each " RADIOACTIVE LSA UN2912" marking.

7.0 PLACARDING 7.1 The " Radioactive" placard must be used on the transport vehicle in the following situations (172.504).

7.1.1 Any package on the truck is labeled " Radioactive Yellow III."

7.1.2 The truck is assigned for exclusive use.

1 7.2 The "Flasunable" placard must be used if the total gross weight loaded on the truck is 1,000 pounds or greater. (49 CFR 172.504(c)).

8.0 ACTIVITY CALCULATION 8.1 Obtain the average isotopic distribution of the fluids from chemistry.

If necessary, initiate a Special Radiological Analysis form, CHP-24, for completion by chemistry.

8.2 Assume 16 cc liquid per vial and 0.1 pCi/cc activity to calculate total activity.

8.3 For example, if there are 1,300 vials in a drum, Total Activity = 1300 via,1 X 16 cm3/ vial X 0.1 pCi/cm3 = 2.08E-03 Ci.

9.0' SHIPPING PAPERS Refer to procedure RDW 5.8 for proper shipping paper entries.

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RDW 3.4 Page 4 ATTACHMENT "A" 1.0 CALCULATION OF HI-DRI NEEDED TO PACKAGE XYLENE-BASED SCINTILLATION FLUID IN ACCORDANCE WITH 49 CFR 173.393(q)(2) 1.1 Hi-Dri absorbency measurement:

1 0 ml Fluid Absorbency = 178 gr. Hi-Dri 1.2 volume of fluid in a scintillation vial = 16 al 1.3 Weight of a bag of Hi-Dri = 40 pounds 1.4 Number of vials that could be absorbed by a bag of Hi-Dri:

150 ml fluid "'" 454 ar. X 40 pounds i*18 X X = 956 " bag 178 gr. Hi-Dri 16 al Ib. bag 1.5 Number of vials per bag allowed by regulation:

vials 956 bag X 21 = 478 #I" bag 2.0 ESTIMATED ACTIVITY OF SCINTILLATION FLUIDS 2.1 The highest activity fluid is made from reactor coolant samples.

.2.2 Unit I reactor coolant activity is 52.0 pCi/cc; Unit 2 reactor coolant activity is 50.3 pCi/cc.

2.3 Unit 1 and Unit 2 are sampled with equal frequency. Thus, the average coolant activity is (2.0 + 0.3) + 2 = 1.15 pCi/cc.

2.4 Since the coolant is diluted by a factor of 16 to 1, the activity of the scintillation fluid is 1.15 + 16 = 0.072 pCi/cc.

2.5 The 0.1 pCi/cc figure used to estimate activity is very conservative, especially since the bulk of the fluid is much less active than reactor coolant samples.

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