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Table D4 Procedures for Absorbing and Neutralizing Releases (Continued) <br />Waste <br />Category <br />Steps to Absorb and/or Neutralize Releases <br />Acid <br />1. Contain the release by surrounding it with absorbent socks or by diking the <br />oxidizer <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. Very small releases may be contained and absorbed solely with an absorbent <br />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 chemically <br />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 />Other <br />1. Contain the release by surrounding it with absorbent socks or by diking the <br />oxidizer <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. Carefully stir the absorbent -covered release with a shovel. <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 chemically <br />resistant broom and dust pan to sweep up absorbent residue. <br />5. Use a wetted absorbent pad to clean surface. <br />LLNL Site 300 G'ontingency Plan D-4 January 201 S <br />Appendix D, Absorbing/Neutralizing Guidelines <br />