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47 <br />LINDANE 96-h LC50 <br /> Test Stage or Temp 95% CI <br />Chemical Name: Gamma isomer of 1,2,3,4,5,6-hexa= organism wt (g) (C) (µg/L) <br />chlorocyclohexane <br /> Carp 0.6 18 90 <br />Alternate Names: Benesan, CAS 58-89-9, ENT-77969 75-120 <br />Forlin, Gamaphex, Gamma BHC, Gammafog, <br />Gammalin, Gammex, Gammexane, Isotox, Linda- Fathead minnow 1.2 18 87 <br />for, Lindagam, Lindamul, Lintox, Novigam, Oko, 69-101 <br />Silvanol. <br /> Black bullhead 1.2 18 64 <br />Principal Use: Insecticide 49-81 <br />Sample Description: Technical material, 99%. Channel catfish 1.5 18 44 <br />SUMMARY OF ACUTE TOXICITY <br /> 96-h LC50 <br />Test Stage or Temp 95% CI <br />organism wt (g) (C) (µglL) <br />Simocephalus 11 15 5208 <br /> 340-790 <br />Daphnia pulex 11 15 4608 <br /> 386-547 <br />Cypridopsis M 21 3.2 <br /> 2.2-4.6 <br />Asellus M 15 10 <br /> 7-14 <br />G. fasciatus M 15 10 <br /> 7-14 <br />G.lacustris M 21 88 <br /> 57-136 <br />Pteronarcys YC2 15 4.5 <br /> 3.6-5.7 <br />Coho salmon 0.6 12 23 <br /> 19-28 <br />Rainbow trout 1.0 12 27 <br /> 20-36 <br />Brown trout 1.7 13 1.7 <br /> 1.2-2.4 <br />Lake trout 0.7 12 32 <br /> 24-42 <br />Goldfish 0.9 18 131 <br /> 92-187 <br /> 37-52 <br />Green sunfish 1.1 18 83 <br /> 47.149 <br />Bluegill 1.5 18 68 <br /> 60-78 <br />Largemouth bass 0.9 18 32 <br /> 27-38 <br />Yellow perch 1.4 18 68 <br /> 60-76 <br />848-h EC50. <br />NOTE: Stonefly nymphs of the first-year class were <br />4.5 times more susceptible to lindane than were those <br />of the second-year class. Variations in water hardness <br />from 44 to 272 ppm did not alter the toxicity to fish or <br />invertebrates. An increase in temperature from 2° to <br />18 °C caused a 2.3-fold decrease in toxicity to rainbow <br />trout; an increase from 7 ° to 29 °C caused a 2.6-fold <br />increase in toxicity to bluegills. Sublethal exposure of <br />fish to lindane produced focal necrotic lesions in the <br />liver and damage to the convoluted tubules in kidney <br />glomeruli. <br />MALATHION <br />Chemical Name: 0,0-Dimethyl S-(1,2-dicarbethoxy= <br />ethyl) phosphorodithioate <br />Alternate Names: AC-4049, Carbofos, Carbophos, <br />CAS 121-75-5, Chemathion, Cythion, Emmatos, <br />ENT-17034, For-Mal, Fyfanon, Karbofos, Kop- <br />Thion, Kypfos, Malamar, Malaphos, Malaspray, <br />Malathon, MLT, Mercaptothion, Mor-Mal, Zithiol <br />Principal Use: Insecticide <br />Sample Description: Technical material, 95%