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PT02 Soil Toxicology and Risk Assessment
(PT032) Investigation of the toxicity reduction capabilities of commercially available green moss in soil toxicity testing with Eisenia fetida.
Rudolph, J1, Stransky, B1, 1 AMEC Earth & Environmental, San Diego, CA, US
ABSTRACT- In an effort to improve the soil reference toxicant test performance of Eisenia fetida, two types of commercially available peat moss and one type of green moss were used to create formulated control soil using 2-chloroacetemide as the reference toxicant. The earthworms exposed to the formulated soil prepared with the two types of peat moss exhibited similar LC50s of 28.2 and 40.8 mg/kg. However, earthworms exposed to the formulated soil made with green moss exhibited no response, even in the highest concentration tested. Further studies are now underway to confirm and determine the application of green moss formulated soil in the reduction of toxicity to other chemicals of concern.
Key words: peat moss, toxicity reduction, Eisenia fetida, earthworm toxicity
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