The oil and gas industry reported 477 fracking, acidization and gravel-packing operations in Orange and Los Angeles counties using 22,500 tons of chemicals, many of which are known to be toxic if released into the air, which they are. The companies admit to using 44 different air toxics, some of which are carcinogenic but trade-secret chemicals are identified in a more vague fashion, e.g. a “lubricant,” “surfincant” or “mixture.”
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