Chemicals in our Environment

Chemicals in our Environment - Chemicals in Our Environment...

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Chemicals in Our Environment
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Since WWII, several new synthetic chemical substances were released into the environment Pesticides Byproducts from manufacturing, petroleum refining, and other industrial processes
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Over 10 million chemical compounds are known. According to EPA, each year large industrial facilities in the US release over 2 billion pounds of toxic chemicals into the environment. Plus billions of pounds are incorporated into products or generated as wastes.
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Living near a hazardous waste site poses a small-to-moderate increased risk of certain types of cancer. Over 10 million people live within one mile of Superfund hazardous waste sites.
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“Hazardous waste” Discarded toxic or hazardous substances that pose a threat to human health or the environment under certain conditions.
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Characteristics Ignitable Materials that can fuel fires or are comparable to spontaneous combustion. Gasoline, natural gas, oils, greases and solvents Corrosive Acidic or basic chemicals that can dissolve containers like storage tanks Hydrochloric acid, sulfuric acid, lye, spent batteries
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(cont.) Highly Reactive Unstable materials that can explode or react violently with air or water – Ammonium nitrate fertilizers, spent explosives, and peroxides Toxic Materials adversely affecting humans or serious impacts on environment Heavy metals, pesticides, and PCBs
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Chemical Manufacturing Industry Strong acids and bases Highly reactive wastes Ignitable wastes Harmful by-products
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Furniture and Wood Manufacturing Industry Wood preservatives Spent cleaning solvents Waste paint supplies Spent waxes and varnishes
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Chemicals in our Environment - Chemicals in Our Environment...

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