Application for Risk-Based Disposal Approval for

0,62

MB

Polychlorinated Biphenyls Hanford Site Liquid Waste Processing

59

stron

4151

ID

U.S. Department of Energy

2003

rok

INTRODUCTION .1-1

1.1 Objectives 1-2

1.2 Overview of Liquid Waste Processing Facilities. 1-3

1.3 Polychlorinated Biphenyl Sources. 1-5

1.4 Waste Acceptance Criteria. 1-5

2.0 GENERAL PROCESS DESCRIPTION 2-1

2.1 242-A Evaporator.2-1

2.2 Liquid Effluent Retention Facility . 2-4

2.3 Effluent Treatment Facility 2-7

3.0 RISK EVALUATION .3-1

3.1 Approach and Methodology 3-1

3.1.1 Human Health 3-2

3.1.2 Ecological Receptors . 3-9

3.2 Risk Evaluation Summary . 3-10

3.2.1 Human Health 3-10

3.2.2 Ecological Receptors . 3-13

4.0 MANAGEMENT OF LIQUID AND SOLID WASTE STREAMS. 4-1

4.1 Liquid Waste4-1

4.2 Solid Waste 4-1

5.0 PROPOSED PCB CONCENTRATIONS AND OPERATING CONDITIONS. 5-1

5.1 242-A Evaporator.5-1

5.1.1 Proposed Maximum PCB Concentrations for the Evaporator. 5-1

5.1.2 Proposed Operating Conditions for the Evaporator. 5-1

5.2 LERF and ETF. 5-3

5.2.1 Proposed Maximum PCB Concentrations for LERF and ETF 5-3

5.2.2 Proposed Operating Conditions for LERF and ETF 5-3

6.0 CONCLUSION6-1

7.0 REFERENCES ..7-1