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LLNL-AR-808080 Lawrence Livermore National Laboratory, Site 300 March 13, 2020 Page 2 DTSC has concerns and questions regarding these activities and requests additional information. DTSC requests the following information: 1. Who is responsible for the overall maintenance and proper management of wastes at the shooting range? 2. Regarding the maintenance of the sand-packed berm is any material removed from the berm and sand before repacking.it. If so, how is that material managed? 3. Please describe how the sand-packed berm is re-packed when divots or other issues are visible in sand-packed berm (e.g., is new sand used, is a front loader used to pack the berm?). 4. Does LLNL 300 have a process to ensure ammunition that misses the sand- packed berm (e.g., ammunition that lands outside the shooting range area) is retrieved and properly managed? 5. Provide the product specification for the frangible bullets, including what metals are used to replace the lead in these bullets. 6. When the casing and duds from fired ammunition is collected from the paved asphalt, are any fines (smaller, dusty type material) also collected and .if so, how are the fines managed? 7. Does LLNL 300 have a process in place to collect fines (smaller, dusty type material) otherwise generated from the firing of ammunition (e.g., is the area around the sand-packed berm routinely maintained where fines would tend to accumulate)? 8. Where does LLNL 300 send its casings and other scrap metal for recycling? Where does LLNL 300 send its duds and defective ammunition? Please provide i copies of manifests or other shipping documents for the materials or wastes. Deadline for Requested Information: 'DTSC requests that within 30 calendar days from the date of the SOO letter, LLNL 300 provide the information requested above to DTSC. The deadline to submit the requested information is April 12, 2020.