![]() ![]() This Solid Waste Management Unit (SWMU) Assessment Report (SAR) for the Sandia National Laboratories, New Mexico (SNL/NM), Coyote Test Field, Building 9960 Surface Discharge, has been prepared in accordance with Section V of the Compliance Order on Consent (the Consent Order) between the New Mexico Environment Department (NMED), DOE, and Sandia (NMED April 2004). Department of Energy (DOE)/National Nuclear Security Administration and managed and operated by Sandia Corporation (Sandia), a wholly-owned subsidiary of Lockheed Martin Corporation. Sandia National Laboratories is a multi-purpose engineering and science laboratory owned by the U.S. This Revised CCM/CME Report addresses (1) the issues presented in the NMED May 2017 disapproval letter and (2) findings from the August 2017 meeting. In August 2017, NMED and DOE/NTESS staff held a meeting to discuss and clarify outstanding issues. NMED issued a disapproval letter in May 2017 that included comments on the December 2016 CCM/CME Report. In December 2016, DOE/Sandia submitted a combined and updated CCM/CME Report. In April 2005, DOE and the SNL M&O contractor at the time, Sandia Corporation (Sandia), hereinafter collectively referred to as DOE/Sandia, submitted a CME Report, but NMED did not finalize review of that document. In November 2004, New Mexico Environment Department (NMED) approved the July 2004 CME Work Plan. The Consent Order identifies the Tijeras Arroyo Groundwater (TAG) Area of Concern (AOC) as more ยป an area of groundwater contamination requiring further characterization and corrective action. The Consent Order became effective on April 29, 2004. Department of Energy (DOE) and the management and operating (M&O) contractor for Sandia National Laboratories beginning on May 1, 2017, National Technology & Engineering Solutions of Sandia, LLC (NTESS), hereinafter collectively referred to as DOE/NTESS, prepared this Revised Tijeras Arroyo Groundwater Current Conceptual Model (CCM) and Corrective Measures Evaluation (CME) Report, referred to as the Revised CCM/CME Report, to meet requirements under the Sandia National Laboratories-New Mexico (SNL/NM) Compliance Order on Consent (Consent Order). A bailer test is not an acceptable substitute for testing wells under permit or for public water supply wells.= , Periods of observation shall be more frequent during the onset of the draw down and may decrease in frequency as the draw down or recovery proceeds. Periodic water level observation should be made during draw down and subsequent recovery periods. The yield and draw down shall be determined following at least four hours of constant rate pumping. The test pump for public water supply wells shall be operated continuously for a minimum of four hours, or longer if required by the department of health. The well shall be test pumped at rates equal to, or greater than, are expected from the well during its normal usage. The driller shall be familiar with and meet all testing procedures outlined in the water right permit. Reports of the test pumping shall be submitted as required in chapter 90.44 RCW. (1) Well authorized by appropriation permit - Before being put to use, each well shall be test pumped for yield and draw down.
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