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APPENDIX D WASTE ABSORPTION AND NEUTRALIZATION <br />GUIDELINES <br />Table D4 Procedures for Absorbing and Neutralizing Releases <br />Waste <br />Category <br />Steps to Absorb and/or Neutralize Releases <br />Explosives <br />1. Contain the release by surrounding it with absorbent socks or by diking the <br />-wet <br />perimeter with scoops of loose absorbent material compatible with the substance <br />released. Begin at the side(s) where flow is most rapid and on side(s) where <br />release flows toward drains or other conduits to the environment. <br />2. Cover the release with loose, compatible absorbent material, working from the <br />perimeter toward the center. Use sufficient quantities to completely cover the <br />liquid. <br />3. Allow the release to be completely soaked up by the absorbent material. Using <br />non -sparking shovels and dustpan, scoop up the absorbent and place it into a <br />plastic tote or plastic bag. <br />4. Use wetted absorbent towels to clean surface area. Place towels into plastic tote <br />or bag. <br />5. Manage material as explosives -contaminated waste. <br />Acid <br />1. Contain the release by surrounding it with absorbent socks or by diking the <br />perimeter with scoops of loose absorbent material compatible with the substance <br />released. Begin at the side(s) where flow is most rapid and on side(s) where <br />release flows toward drains or other conduits to the environment. <br />2. Cover the release with loose, compatible absorbent material, working from the <br />perimeter toward the center. Use sufficient quantities to completely cover the <br />liquid. If neutralization is desired, substitute an acid -neutralizing absorbent. <br />Carefully stir the absorbent -covered release with a shovel. The mixture changes <br />color when the acid is neutralized. <br />3. Contain and absorb very small releases solely with an absorbent sock. <br />4. When the release is completely soaked up, discard all absorbent material as <br />hazardous waste. Use a shovel to scoop up the loose absorbent. Use a <br />chemically resistant broom and dust pan to sweep up absorbent residue. <br />5. Use wetted absorbent towels or pads to clean surface area until it tests neutral <br />with pH paper. <br />LLNL Site 300 Conlingency Plan D-2 January 2015 <br />Appendix D, Absorbing.'Neutralizin� Guidelines <br />