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BoReTec" • Recyclable water-based latex paint still in liquid form being transported for recycling must be accompanied by a bill of lading or hazardous waste manifest. • Keep paint in properly labeled, sealed 16 -or 30 -gallon drum in the paint booth. If paint is being transferred, the container being emptied and the drum must be grounded. Oil -Based Paints Waste oil-based paints are hazardous wastes when they are disposed of because of the ignitable and toxic solvents they contain. There may be other reasons as well, such as heavy metals like chromium, lead and zinc in their pigments. Specialty coatings such as urethanes, epoxy, and resins are hazardous in liquid form due to the toxicity of uncured resins and epoxies. Aerosol spray paint cans, however, are not considered hazardous as long as they have been completely emptied. But if there is still paint and pressure inside, they must be handled as hazardous waste, due to both the paint and the flammable pressurized gas. See the specific section on aerosol paints. In all cases, to avoid accumulating excess paints, follow a policy of "buy what you need, use what you buy." PAINT FILTERS AND GUN CLEANERS Filters used to clean the exhaust air in spray paint booth operations may become contaminated with paint used in the booth. These filters may contain hazardous metals or other toxic compounds that are contained in the paint. To verify proper waste management practices, the paint filter should be tested by an approved vendor. • Used paint booth filters must be kept in a flame proof and sealed 30 -gallon drum in the paint booth. • Gun Cleaning Solvent should be kept in sealed 5 gallon cans in the paint booth. The solvent is considered in use until the vendor arrives to change it so no hazardous labels are required. • The container being cleaned and the solvent gun cleaner must be grounded. LACQUER THINNER If possible, non -hazardous alternative materials should be used instead of lacquer thinner. • A representative sample of the lacquer thinner should be profiled/tested by your local waste disposal/recycling vendor. Once this profiling is completed, it does not need to be repeated each time additional lacquer thinner needs to be disposed, as long as this new waste is similar to that previously tested. • Waste lacquer thinner must be stored in a hazardous waste container that is marked with a hazardous waste label. The container must be placed in secondary containment, stored away from any ignition sources, and must be at least fifty (50) feet from the facility property line. Boretech Hazardous Materials & Hazardous Waste Management Operations Plan Page 133