Waste Treatment Chemicals Chemicals for treating waste. Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Defoamer #20 (5 Gal. Pail) $141.85 Waste Treatment Polymer, HMF-100 (Anionic Polymer) $263.17 Waste Treatment Metal Precipitant, EF-118-1 (Carbamate) $124.63