Phosphoric Acid

CAS RN: 7664-38-2

Cleanup Methods

Ventilate area of spill or leak. If in the solid form, collect spilled material in the most convenient and safe manner for reclamation or for disposal in a secured sanitary landfill. If in the liquid form, collect for reclamation or absorb in vermiculite, dry sand, earth, or a similar material.
Cellosized absorbent material may be used for vapor suppression and containment of spills.
Air spill: Apply water spray or mist to knock down vapors. Vapor knockdown water is corrosive or toxic and should be diked for containment.
Water spill: Neutralize with agricultural lime (slaked lime), crushed limestone, or sodium bicarbonate. Adjust pH to neutral (pH-7). Use mechanical dredges or lifts to remove immobilized masses of pollutants and precipitates.
Land spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. /SRP: If time permits, pits, ponds, lagoons, soak holes, or holding areas should be sealed with an impermeable flexible membrane liner./ Dike surface flow using soil, sand bags, foamed polyurethane, or foamed concrete. Absorb bulk liquid with fly ash or cement powder. Neutralize with agricultural lime, crushed limestone, or sodium bicarbonate.
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