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Table D-1 Procedures for Absorbing and Neutralizing Releases(Continued) <br /> Waste <br /> Category Steps to Absorb and/or Neutralize Releases <br /> Caustic 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 <br /> substance released.Begin at the side(s)where flow is most rapid and on side(s) <br /> where 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 /> Flammable 1. Contain the release by surrounding it with absorbent socks or by diking the <br /> liquid perimeter with scoops of loose absorbent material compatible with the <br /> substance released.Begin at the side(s)where flow is most rapid and on side(s) <br /> where 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 <br /> chemically resistant broom and dust pan to sweep up absorbent residue. <br /> 5. Use wetted absorbent towels or pads to clean surface. <br /> 6. Seal contaminated clothing and absorbent material in a vapor-tight container. <br /> LLNL Site 300 Contingency Plan D-3 January 2015 <br /> Appendix D,Absorbing/Neutralizing Guidelines <br />