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May 9, 2016

Direct Feed Low-Activity Waste Update

for Oregon Hanford Cleanup Board

Steve Pfaff, Federal Project Director, Low-Activity Waste Pretreatment SystemU.S. Department of Energy, Office of River ProtectionPresented by:

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Current Baseline – WTP Start-Up Facility Flow Diagram

Single Shell

Tanks (SST)

Double Shell

Tank (DST)

System

Effluent

Treatment

Facility

(ETF)

WTP

Pretreatment

(PT)

High-Level

Waste (HLW)

Facility

Low-Activity

Waste (LAW)

Facility

Tank Farm

242-A

Evaporator

AP-Farm

Interim Hanford

Storage Facility

(IHSF)

Canisters from HLW immobilization

Integrated

Disposal Facility

(IDF)

Canisters from LAW

immobilization

Color KeySalmon – ExistingGold – Proposed new tank farm projectGreen – WTP in constructionBlue – New facility needed to support HLW operationsPurple – New to support phased approach

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Single-

Shell Tanks

(SST)

Double

Shell Tank

(DST)

System

Waste Treatment and

Immobilization Plant (WTP)

Pretreatment

(PT)

High-Level

Waste (HLW)

Facility

Low-Activity

Waste (LAW)

Facility

Low-Activity Waste

Pretreatment

System (LAWPS)

Tank

Farm

242-A

Evaporator

AP-Farm

Effluent

Treatment

Facility (ETF)

Integrated

Disposal

Facility (IDF)

Canisters from LAW

immobilization

Effluent

Management

Facility

(EMF)

Color KeySalmon – ExistingGreen – WTP in constructionPurple – New to support phased approach

Direct Feed Low Activity Waste (DFLAW) Sequenced

Start-Up – Phase 1 Flow Diagram

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2010 Consent Decree 2016 Consent Decree

(Amended)

WTP Hot Start 12/31/2019 12/31/2033

WTP begin initial

operations

12/31/2022 12/31/2036

LAW Facility Hot

Commissioning

12/31/2019 12/31/2023

Pretreatment Facility

Hot Commissioning

12/31/2019 12/31/2033

HLW Facility Hot

Commissioning

12/31/2019 12/31/2033

Complete C Tank

Farm retrievals

9/30/2014 3/31/2024

Complete retrievals

from 9 additional SSTs

9/30/2022 3/31/2024

New Deadlines

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Completing Low-Activity Waste Vitrification Facility, LAW Effluent Management Facility, Balance of Facilities and Analytical Laboratory

Installing piping between LAW and other WTP facilities and tank farms Modifying WTP infrastructure to accommodate Direct Feed LAW

Key activities

6 6

LAW Pretreatment System

Waste Treatment

Plant

LAWPS

Removes solids with

cross-flow filtration

Removes cesium with

ion-exchange system

Prepares Tank Waste for

Delivery to LAW Facility

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Low-Activity WastePretreatment System

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Proposed DFLAW Waste Feed and Effluent Line Routing

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Effluent Management Facility

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The LAW Facility is the largest and most complex of the WTP facilities supporting Direct Feed LAW

Analytical Laboratory will analyze low-activity waste feed samples to determine appropriate glass-forming material-to-waste ratio for vitrification

Low-Activity Waste Facility and Analytical Laboratory

LAW Lab

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Low-Activity Waste Pretreatment System

The 21 infrastructure facilities and systems necessary to support WTP operations are called Balance of Facilities (BOF)

Balance of Facilities

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DFLAW Program Integrated Delivery Team

Tank Operations Contractor

Waste Treatment

PlantContractor

222-S Laboratory

Mission Support

Plateau Remediation

National laboratories

• Technical expertise

• Process improvements

and issue resolution

BNI, WTP contractor

• Design, construction, startup and

commissioning

• LAW vitrification facility

• WTP Analytical Laboratory

• WTP Balance of Facilities

WAI, 222-S laboratory

contractor

• Analytical services in

support of DFLAW

MSA, Hanford sitewide

services contractor

• Infrastructure and utilities

services

CHPRC, environmental cleanup

contractor

• ILAW container disposal services

• IDF operations

Richland Operations Office

• Hanford Site cleanup

• Waste disposition

WRPS, tank operations

contractor

• Tank farm operations

• LAWPS

• Waste feed delivery

• Effluent retention and

treatment

The Office of River Protection

• Mission integration and

accomplishment

• Delivering the DFLAW program

National Laboratories

One System integrating the

Direct Feed

Low-Activity Waste

(DFLAW) program

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DFLAW – Quickest Path to Glass