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~ S UNITED STATES ENVIRONMENTAL PROTECTION AGENCY o ~ /J Q WASHINGTON, D.C. 20460 2 ~(~ R ,

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### P!OV 10 2010

OFFICE OF AIR AND RADIATION

Mr. J. R. Stroble Manager, National TRU Program U.S. Department of Energy P.O. Box 3090 Carlsbad, NM 88221 Dear Mr. Stroble: The U.S. Environmental Protection Agency (EPA) has reviewed the information provided by the U.S. Department of Energy (DOE), Carlsbad Field Office (CBFO) in your July 28, 20101etter and your October 21, 20101etter reporting the Tier 2(T2) changes made during fiscal year 2010 (FY10), third quarter (April-June) and fiscal year 2010 (FYlO) fourth quarter (July-September). Transuranic (TRU) waste sites with EPA-approved waste characterization (WC) programs must report their T2 changes on a quarterly basis as established in EPA's site—specific baseline approvals. For the FYlO third and fourth quarter, we reviewed the reported T2 changes at the Advanced Mixed Waste Treatment Project and the Central Chara.cterization Project EPA does not object to any of the changes reported in the enclosures to your letters. The enclosure to this letter identifies the documents we need, in their entirety, to better understand the specific topic, and to be better informed of the exact nature of the T2 changes made to the approved WC activities. This information will also assist us in planning future inspections. We request that CBFO provide the documents in electronic format, via the internet or on a CD and then notify EPA by e-mail when they are available. Please contact Raja.ni Joglekar (202-343-9462) or Ed Feltcorn (202-343-9422) if you have any questions. Sincerely,

Tom Peake, Director Center for Waste Management and Regulations Enclosure

Internet Address (URL) • http://www.epa.gov

Recycled/Recyclable 0 Printed with Vegetable Oil Based Inks on 100 % Postconsumer, Process Chlorine Free Recycled Papercc (Electronic Distribution):

A. Harris, DOE HQ E. Ziemianski, CBFO C. Fesmire, CBFO N. Castaneda, CBFO A. Holland, CBFO M. Navarette, CBFO D. Miehls, CBFO A. Pangle, CTAC Site Documents

### Dtrcanmruentg needed by EPA tro Suppou°t T2 (Concurrence 3Q FlY ll®& 4Q IFY 

### Il QD

A. Third Quarter T2 Notification-AK related reguests AMW"Il'1'

0 MP-TRUW-8.1 Revision 19 • MP-TRUW-8.2 Revision 13 • MP-TRUW-8.8 Revision 29 • MP-TRUW-8.9 22 • MP-TRUW-8.14 Revision 11 Cd ✓ P: ANL ® CCP-AK-ANL-505C Revision 0 INL • AKSR CCP-AK-INL-018 Revision 0 • CCP-AK-INL-500 Revision 8 • CCP-AK-INL-580 Revision 2 • AK Accuracy Report for ID-SDA-DEBRIS Lots 1-28 • AK Accuracy Report for ID-SDA-Sludge Lots 1-185 • AK Accuracy Report for ID-SDA-Soil Lots 1-37 LANL • CCP-AK-LANL-006 Revision 10 • NDA Memos for waste streams LA-CINO2.001, LA-MINO3-NC.001, LA-MHD02-PTX.001, LA-OS-003, LA-CINO 1.00 1, LA-MHDO 1.00 1, LA-MINO2-V.001, LAMIN04-S.001 • WSPF LA-MHD08.001 and related AKSR (most recent revision) • WSPF-CIN01.001 and related AKSR (most recent revision) • WSPF LA-OS-00-03 • Change Notice to WSPF for LA-OS-00-01.001

ORNL • CCP-AK-ORNL-007 Revision 0 • WSPF for OR-CHEM-CH-HET and related AKSR(most recent revision)SRS

• CCP-AK-SRS-3 Revision 9 • CCP-AK-SRS-10 Revision 0 • SR-MD-HOM-A and related AKSR (most recent revision)B. Ir ourth Quarter '1'2 Notification-AIC ltelated Requests

AMWTP: • Original WSPF for BN004 (WSPF Form-1195) so that related change notices can be evaluated. It is assumed this includes the AKSR that is to be revised per the information presented in the T2 notification. • Original WSPF for BNINW216 (WSPF Form-1195) so that related change notices can be evaluated. It is assumed this includes the AKSR that is to be revised per the information presented in the T2 notification. CCP: ANLE • CCP-AK-ANLE-500 Revision 6 • CCP-AK-ANLE-502 Revision 2 • Attachment 8 update for AERHDM • AK Accuracy Report AERHDM Lots 1-5 INL ® AKSR CCP-AK-INL-001 Revision 9* * AKSR CCP-AK-INL-019 Revision 0*

o NDA Memo for ID-SDA-SLUDGE, ID-SDA-SOIL, ID-SDA-DEBRIS (May 25, 2010)* • WSPF for INTEC-RH* • WSPF for MFC-S5400-RH* LANL CCP-AK-1,ANL-013 Revision 2 ORNL CCP-AK-ORNL-008 Revision 0 Source Document DR026 SRS • CCP-AK-SRS-2 Revision 13 • CCP-AK-SRS-6 Revision 7 • CCP-AK-SRS-9 Revision 2 • CCP-AK-SRS-500 Revision 9• CCP-AK-SRS-510 Revision 2

• CCP-AK-SRS-520 Revision 2 • CCP-AK-SRS-542 Revision 1 • AK Accuracy Reports for Waste Stream SR-W027-FB-Pre86-C, Lots 1-151; Waste Stream SR-W026-221F-HET, Lots 1-38; Waste Stream S R-W026-221 F-HEPA, Lots 1-18; Waste Stream SR-W027-221H-HET-C, Lots 1-4; Waste Stream SR-W027-221H-HET-D, Lots 1-3; Waste Stream SR-W026-772F-HET, Lots 1-98; Waste Stream SR-W027-235F-HET, Lots 1-66; Waste Stream SR-W027-235F-HEPA, Lots 1-2; Waste Stream SR-W027-773A-HET, Lots 1-57; Waste Stream SR-MD-HET, Lots 1-8; Waste Stream SR-MD-HOM-A, Lot l; Waste Stream SR-AGNS-HET, Lots 1-7; Waste Stream SR-SWMF-HET-A, Lots 1-20 • WSPF for SR-MD-PAD1 and related AKSR (most recent revision/version) • WSPF for MD-SOIL and related AKSR (most recent revision/version) • WSPF for SR-BCLDP.001.001 • WSPF for SR-BCLDP.00I .002 • WSPF for SR-BCLDP.002 *These documents were previously requested in preparation for the El'A Continued Compliance Inspection at INL Nov. 16-17.