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LLNL-AM-428479 Table C-1. Waste Absorption and Neutralization Procedures* Continued Waste Category Procedure to Absorb and/or Neutralize" Flammable • Contain the spill by surrounding it with absorbent socks or by diking the perimeter liquid waste with scoops of loose absorbent material compatiblewith 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 non-sparking shovel. . Very small spills may be contained and absorbed solely with an absorbent sock. • Use a nonsparking 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. • Seal contaminated clothing and absorbent material in a vapor-tight container. • Manage all absorbent material as hazardous waste. Combustible . Call LLNL Fire Department at extension 911,or use the call sign"MIKE"if using a solid waste handheld radio. PCB waste • Contain oily spill by surrounding it with absorbent socks. These are easier to clean up than loose absorbent. • Next, cover the spill with absorbent socks, working from the perimeter of the spill inward toward the center. Loose absorbent may be used for this step,if desired. Stir the pile of loose absorbent carefully. • When the PCB is totally absorbed,carefully place the socks into a disposal bag or directly into an appropriate waste container. If applicable, shovel loose absorbent into a waste container. • Solid surfaces must be doublewashed or rinsed with kerosene or an appropriate detergent(an equivalent solvent in which PCBs are at least 5% soluble by weight). Keep area cordoned off until swipe samples are collected and analyzed,and the area is approved for reentry. Acid • Contain the spill by surrounding it with absorbent socks or by diking the perimeter oxidizer with scoops of loose absorbent material compatiblewith the substance spilled. waste 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. 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. 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 orEDO prior to cleanup of the released waste. S300 WAA Contingency Plan C3 September 2018