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Accession #: Dl96069821

Document #: SD-WM-TP-307

TitlelDesc: TANK 241 C204 TANK CHARACTERIZATION PIAN

SUPPORTING DOCUMENT I 1. Total Pages /p- 2 . T i t l e

TANK 241-C-204 TANK CHARACTERIZATION PLAN 5 . Key Words

CHARACTERIZATION, GENERAL SAFETY ISSUES, S P E C I F I C SAFETY ISSUES, INFORMATION REQUIREMENTS, PRIORITY

3. Nmber 4 . Rev No.

WHC-SD-WM-TP-307 1 6. Author

I

. /6/7/9T Si gnaturT

OrganizationlCharge code 753201N4G6A

7. Abstract

This document i s a p l a n t h a t i d e n t i f i e s t h e i n fo rma t ion needed t o address r e l e v a n t issues concerning shor t - term and long-term safe storage and long-term management o f Single-Shel l Tank (SST) 241-C-204.

8. RELEASE STAMP

r-:WiiC OFFICIAL RELEASE

A-6400473 (08/94) WEF124

( 1 ) Docunent Number RECORD OF REVISION

WHC-SD-WM-TP-307

A-7320-005 (OW911 YEF168

Page 1

WHC-SD-WM-"-307 Revision 1 UC-2070

Tank 241-C-204 Tank Characterization Plan

C. S. Homi Wgtinghouse Hanford Company

Date Published October 1995

Prepared for the U.S. Depar tment of Energy Office of Environmental Restoration a n d Waste Management

Westing house P.0 Box 1970 Hanford Company Richland. Washington

MansOement and Operelions Contractor for the U.S. Depanment of Enerpy under Convect DEACO6-87fiLl0930

Approved for Public Release

WHC-SD-WM-TP-307, REV 1

fissile materials and neutron absorbers and poisons will be performed as identified in the safety screening data quality objective.

2.2.7 Screening Approach Evaluation

The safety screening approach is currently under review. Information is required from key tanks to determine if a revised approach to screening may be adopted, as proposed in Meacham, 1995.

2.3 CONTINUING OPERATIONS

2.3.1 Compati bil ityptabil ization

No information needs are currently identified for this program element.

2.3.2 Evaporator

No information needs are currently identified for this program element.

2.4 DOUBLE-SHELL TANK WASTE ANALYSIS PLAN

This section does not apply because tank C-204 is a single shell tank.

2.5 DISPOSAL

2.5.1 Retrieval

tank C-204.

2.5.2 Pretreatment/Vitrification

Current retrieval needs (Bloom 1995) do not call for test samples to be taken from

Tank C-204 has not been identified as a bounding tank for pretreatment/disposal process development (Kupfer 1995).

2.6 HISTORICAL MODEL EVALUATION

Bounding tanks and data requirements for historical model evaluations are found in Tank C-204 has not DQO Historical Model Evaluation Data Requirements (Simpson 1995).

been identified as a primary bounding tank for the MW (metal waste) waste type.

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WHC-SD-WM-TP-307, REV 1

4.0 PRIORITY OF INFORMATION REQUIREMENTS

Vapor sampling i s scheduled f o r March 1996. Auger sampling was completed i n May 1995 (Stanton 1995).

Table 4-1: I n t e g r a t e d DQO Requirements

Sampl i n g it Appl i c a b l e DQO

~

-Heal th & Safety Vapor Issue Resolut ion DQO

-Safety Screening DQO - H i s t o r i c a l Model DQO

8 Sorbent Trap Systems

5.0 WHEN INFORMATION IS NEEDED

Data are requ i red f o r Tank C-204 du r ing FY 1996 f o r sa fe ty screening and t o prepare a Tank Charac te r i za t i on Report.

5

WHC-SD-WM-TP-307, REV 1

S t a n t o n , G . A . , 1995, B a s e l i n e Sampling Schedule, R e v i s i o n 4 . 3 , ( i n t e r n a l memo 74320-95-04, t o d i s t r i b u t i o n , March 2 4 ) , Westinghouse Hanford Company, R i c h l a n d , Washington.

A n a l y s i s o f O r g a n i c Carbon and M o i s t u r e i n H a n f o r d S i n g l e - S h e l l Tank Waste, PNL- 10360, P a c i f i c Northwest L a b o r a t o r y , R i c h l a n d , Washington.

T o t h , J. J., P. G . H e a s l e r , M. E. Lerchen, J. G . H i l l , and P. D . Whitney, 1995,

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