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<br />SUMMARY OF ACUTE TOXICITY
<br /> 96-h LC50
<br /> 96-h LC50 Test Stage or Temp 95% CI
<br />Test Stage or Temp 95% Cl organism wt (g) (C) (µg/L)
<br />organism wt (g) (C) (µg/L)
<br />G. fasciatus M 15 110 Largemouth bass 1.0 18 3,6506
<br />
<br />80-150 3,520-3,780
<br />G.lacustris M 15 56 Walleye 1.3 18 1,080
<br /> 40-78 990-1,180
<br />848-h EC50.
<br />Pteronarcys YC2 15 4.1 bTested in hard water, 272 ppm CaCO,.
<br />Cutthroat trout
<br />Rainbow trout
<br />\ Channel catfish
<br />Bluegill
<br />Largemouth bass
<br />Walleye
<br />1.0 13
<br />0.9 13
<br />1.1 18
<br />1.3 18
<br />0.7 18
<br />1.3 18
<br />3.4-5.0
<br />640
<br />550-740
<br />1,250
<br />1,040-1,500
<br />4,800
<br />4,400-5,240
<br />1,230
<br />1,070-1,390
<br />8408
<br />8008
<br />730 880
<br />DICHLORVOS
<br />Chemical Name: 2,2-Dichlorovinyl dimethyl phosphate
<br />Alternate Names: CAS 62-73-7, DDVF, DDVP,
<br />Dederap, Dichlorphos, Divipan, ENT-20738, Herkol,
<br />Mafu, Marvex, Nogos, No-Pest, Nuvan, Oko,
<br />Phosvit, Vapona
<br />Principal Use: Insecticide
<br />Sample Description: Technical material, 100%', 93%1
<br />SUMMARY OF ACUTE TOXICITY
<br /> 96-h LC50
<br />aTested in hard water, 272 ppm CaCO,. Test Stage or Temp 95% CI
<br />NOTE: Variations in water hardness from 44 to
<br />organism
<br />wt (g)
<br />(C)
<br />(µg/L)
<br />272 ppm did not alter the toxicity to scuds or rainbow Simocephalus' I1 21 0.28a
<br />trout. 0.16-0.47
<br /> Daphnia pulex' I1 15 0.078
<br /> 0.05-0.09
<br />
<br />DICHLOROPROPENE G.lacustris' M 21 0.50
<br /> 0.37.0.68
<br />Chemical Name: 1,3-Dichloropropene Pteronarcys' YC2 15 0.10
<br /> 0.07-0.15
<br />Alternate Names: Telone
<br /> Cutthroat trout' 2.5 12 170
<br />Principal Use: Nematocide
<br />143-203
<br /> Lake trout' 0.3 12 187b
<br />Sample Description: Technical material, 100% 110-320
<br />SUMMARY OF ACUTE TOXICITY Mosquitofish' 0.2 17 5,270
<br /> 2,660-10,400
<br />96-h LC50
<br />Test Stage or Temp 95% CI Bluegill' 1.5 18 869
<br />organism wt (g) (C) (µg/L) 700-1,080
<br />Daphnia magna 11 21 90a
<br />
<br />63-129 Fathead minnowz 0.7 17 11,600
<br /> 7,830-17,200
<br />Fathead minnow 0.9 18 4,100 a48-h EC50.
<br />3,390-4,970 bTested in hard water, 162 ppm CaCO,.
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