DES 127A Study Guide - Final Guide: South Atlantic Gyre, South Pacific Gyre, North Atlantic Gyre
Document Summary
Parkesine, first plastic 1850"s made of plant cellulose, synthetic ivory. Milk water, juice bottles, yogurt, and margarine tubs, cereal box liners, grocery, trash and retail bags. Good: not known to leach any chemicals that are suspected of causing cancer or disrupting hormones. In some bread, frozen food bags and squeezable bottles. Ok: not known to leach any chemicals that are suspected in causing cancer or disrupting hormones. Cling wrapped meats. cheeses and other food sold in groceries. Bad: to soften manufactures add plasticizers during production and these chemicals can leach out of pvc when in contact with food. Bad: benzene material used in production is a known human carcinogen. Found in #7 plastics: polycarbonates, toys pacifiers, baby bottles, canned food, water bottles. Health problems: breast cancer, prostate disease and cancer, impaired immune function, brain damage, diabetes and obesity, early puberty. Name two of them; what problems do they cause in the ocean"s food chain.
