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DocuSign Envelope ID: 0336570A-ED5A-480E-9109-1037B256AF9B LLNL-AM428479 Table C-1. Waste Abs and Neutralization Procedures* Waste Cateaory Procedure to Absorb and/or Neutralize" Acid • Contain the spill by surrounding it or by diking the perimeter with scoops of loose waste absorbent material compatible with the substance spilled. Begin at the side(s) where release flows toward drains or other conduits to the environment. • Next, cover the spill with loose, compatible absorbent material, working from the perimeter inward toward the center. Use sufficient quantities to completely cover the liquid. An acid neutralizing absorbent may be substituted, if neutralization is desired. Carefully stir the absorbent -covered spill with a shovel. The mixture will change color when the acid is neutralized. Very small spills may be contained and absorbed solely with an absorbent sock. • Use a shovel to scoop up the loose absorbent into an appropriate container. A chemically resistant broom and dustpan may be used to sweep up absorbent residue. • Use wetted absorbent towels or pads to clean surface area until it tests neutral with pH paper. • Manage all absorbent material as hazardous waste. • If HF comes in contact with the skin or eyes, flush with water for a minimum of 15 minutes, rub calcium gluconate directly on affected skin areas, and immediately contact Health Services or dial 911, or use the call sign "MIKE" if using a handheld radio. Aqueous waste Caustic waste • Contain the spill by surrounding it with absorbent socks or by diking the perimeter with scoops of loose absorbent material compatible with the substance spilled. Begin at the side(s) where release flows toward drains or other conduits to the environment. • Next, cover the spill with loose, compatible absorbent material, working from the perimeter inward toward the center. Use sufficient quantities to completely cover the liquid. Carefully stir the absorbent -covered spill with a shovel. • Very small spills may be contained and absorbed solely with an absorbent sock. • Use a shovel to scoop up the loose absorbent. A chemically resistant broom and dustpan may be used to sweep up absorbent residue. • Use wetted absorbent towels or pads to clean surface. • Manage all absorbent material as hazardous waste. • Contain the spill by surrounding it with absorbent socks or by diking the perimeter with scoops of loose absorbent material compatible with the substance spilled. Begin at the side(s) where release flows toward drains or other conduits to the environment. • Next, cover the spill with loose, compatible absorbent material, working from the perimeter inward toward the center. Use sufficient quantities to completely cover the liquid. A caustic neutralizing absorbent may be substituted, if neutralization is desired. Carefully stir the absorbent -covered spill with a shovel. The mixture will change color when the caustic is neutralized. • Very small spills may be contained and absorbed solely with an absorbent sock. • Use a shovel to scoop up the loose absorbent. A chemically resistant broom and dustpan may be used to sweep up absorbent residue. • Use wetted absorbent towels or pads to clean surface area until it tests neutral with pH paper. • Manaae all absorbent material as hazardous waste. * These wastes are not necessarily present at each WAA. Refer to Appendix D for the Site-specific Plan to determine the wastes present. ** Contact the WAA Coordinator and the ES&H Team Environmental Analyst or EDO prior to cleanup of the released waste. S300 WAA Contingency Plan C2 September 2018