US Ecology Idaho, Inc. P.O Box 400 20400 Lemley Road Grand View, Idaho 83624 Phone: (800) 274-1516 (208) 834-2275 Fax: (208) 834-2997 (208) 834-2919 US Ecology Idaho a US Ecology Inc. company March 30, 2010 MARC HUNTER VEOLIA ES TECHNICAL SOLUTIONS, LLC 107 S. MOTOR AVENUE AZUSA, CA 91702 RE: Generator: THE BOEING COMPANY-NASA AREA II Mailing Address: 5800 WOOLSEY CANYON ROAD, CANOGA PARK, CA 91304-1148 US Ecology WS#: 23756-0 Waste Stream Name: 1TIME-CONTAMINATED RCRA HAZARDOUS SOIL AND DEBRIS(SOIL CONTAINS CESIUM Expiration Date: 03/19/2011 Dear Marc Hunter, The above listed waste stream has been approved for acceptance at US Ecology Idaho (USEI), which is an authorized facility and has the appropriate permits necessary to handle the waste material described on the "Waste Product Questionnaire" (WPQ) as approved. This Waste Profile is identified with a Waste Stream ID Number and is valid until the expiration date of 03/19/2011, when annual re-characterization of the waste is required. Shipment of the waste profiled by the above WSID constitutes acceptance of all Terms and Conditions listed as an Addendum to the Agreement/Contract. If the regulations change, or the waste stream or process generating the waste changes, it is the generator's responsibility to inform USEI by a letter or submittal of a new profile and current analysis. USEI reserves the right to request additional sampling and analysis at any time. A. All waste material must be packaged, labeled and manifested in strict accordance with all applicable EPA and DOT requirements. The above WSID mUSt be marked on each drum or unit. Please note that labpack shipments cannOt be accepted until packing list have been reviewed and approved by USEI. B. To schedule a delivery, please call Sophie Livingston in the Customer Service Department at 1-800-274-1516 ext. 310, at least 48 hours prior to your anticipated shipping date. Scheduling hours are from 7:30 a.m. to 3:30 p.m. MST, Monday through Friday If you have any questions or need additional information, please feel free to call the Customer Service Department at 1-800-274-1516. Sincerely, (signed) TINO CERECERES CUSTOMER SERVICE REP.