In a downtown Tacoma parking lot behind a statue of a woman holding the city’s skyline in her hands sits an unusual sight. Since at least Sunday, 15 black barrels with neon-yellow toxic-waste symbols ...
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Turning toxic waste into valuable resources
What is spent caustic: A highly alkaline, hazardous wastewater from refining and other industries, loaded with sulfides, phenols, and other contaminants, requiring specialized treatment. Why toxins ...
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