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Toxicity and hormonal activity in municipal solid waste (MSW) leachates from Florida landfills.


The purpose of this research was to characterize the chemical composition and biological effects of leachates from MSW landfills in Florida. Samples were collected from 16 engineered landfills to encompass a cross-section of leachate quality and characteristics. The MSW landfill leachates were tested using a suite of bioassays, which included the chronic Pseudokirchneriella subcapitata and the acute Ceriodaphnia dubia, D. pulex, and Microtox(TM). Leachates were tested with MetPLATE, a heavy metal specific assay. Additionally, using a yeast reporter assay, the leachates were tested for hormonal activity.