Table 1 . Chemicals Studied in Constructed Model Ecosystems 



Chemical 



System Type 



DDT and related compounds, toxaphene, 

 maneb, zineb, silvex, 2,4,5-T, heptaclor, 

 heptaclor epoxide, endrin, lindane, ODD, 

 chlordane, chlordene, trifluralin, and 8 

 other substituted nitroaniline herbicides, 

 PCBs, TH-6040, TPTH, phenthoate 



Micro-agroecosystem (T) 



Stauffer N-2596, R-25788; phorate, 

 eptam, fonofos 



HCB, mirex, 9 toxaphene fractions, 2,4,5-T, 

 TCDD, trifluralin, oxadiazon, phosaline, 

 atrazine and nitrosoatrazine, arsenical 

 herbicides 



Soil-plant-water (T-FW) 



Freshwater flow-through 

 (FW) 



Fenvalerate, DDT, BHT 



BHC isomers, disulfoton, pyridaphenthion, 

 cartap, edifenphos, Kitazin P®, PCP, CNP 



DDT, TCDD, mexacarbate, gamma-BHC 



Dimethoate, fenitrothion, malathion, 

 carbaryl, methomyl 



Freshwater pond (FW) 

 Rice paddy (T-FW) 



Freshwater pond (FW) 

 Terrestrial-quail (T) 



Alachlor, atrazine, bentazon, cyanazine. Farm-pond (T-FW) 



dicamba, phenmediphan, 2,4-D, propachlor, 



pyrazon, trifluralin, metrabuzin, bifenox, 



chlorpyrifos, chlorpyrifos-methyl, Counter®, 



Temephos®, fenitrothion, malathion, 



acephate, leptophos, parathion, metalkamate, 



carbaryl, carbofuran, propoxur, aldicarb, 



formetanate, methoprene, dimilin, 



chlordimeform, Banamite®, DDT, DDD, 



methoxychior, and 8 halo-alkyi substitute 



DDT analogs, aldrin, dieldrin, toxaphene, 



endrin, lindane, mirex, heptachlor, chlordane, 



hexachlorobenzene (HCB), pentachlorophenol 



(PCP), endosulfan, methyl parthion, benzo(s)- 



pyrene, benzidine, vinyl chloride, anthracene, 



fluorene, carbazole, dibenzofuran, 



dibenzothiaphene, ethylhexyl phthalate, 



tripheny! phosphate, polychlorinated 



biphenyls (PCBs) 



Robenine-HCI, ddt 



Feed lot (T-FW) 



Methyl parathion, atrazine, carbaryl, 

 pentachloronitrobenzene (PCNB), propanil, 

 mephosfolan 



Rice paddy (T-FW) 



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