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Business Waste: Caustics
Proper Disposal: If your solution has a pH greater than 12 you cannot discharge to the King County sanitary sewer. Call your local sewer agency or King County Industrial Waste at 206-477-5300. For information about solid caustic waste or caustics with other contaminants, call the Business Waste Line at 206-263-8899. Never dispose of caustics to septic systems or storm drains.
Recycle: --
Potential Hazards: Wastes with a pH of 12.5 or more are hazardous.
Safer Alternatives: --
Collection Facilities Info: Small Business Hazardous Waste Disposal – What wastes can I bring?
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Last Modified: 09/16/2013

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