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12 96-h LC50 96-h LC50 Test Stage or Temp 95% Cl Test Stage or Temp 95% CI organism wt (g) (C) (ng/L) organism wt (g) (C) (µg/L) Goldfish 0.9 18 180 Daphnia, magna I1 15 1608 99-348 113.225 Fathead minnow 0.5 17 40 G. fasciatus M 21 60 21-77 43-84 Black bullhead 1.2 18 7,500 Pteronarcys YC2 15 > 1,000 4,300-13,100 Rainbow trout 0.9 13 320 Channel catfish 2.3 17 4,230 265.387 2,830-6,340 Bluegill 0.7 24 350 Walking catfish 3.8 25 15,000 a48-h EC50. Mosquitofish 0.6 17 192 114-324 AZIDE Green sunfish 1.1 18 220 128-416 Chemical Name: Pota ssium or sodium azide Bluegill 1.2 17 38 Alternate Names: CA S-12136-44 -6, Kazoe, Smite 19-75 Principal Use: Herbicide Largemouth bass 0.6 17 237 159-354 Sample Description: Technical material: potassium White crappie 1.5 17 340 azide, 98%1; sodium azide, 98%2 273-424 SUMMARY OF ACUTE TOXICITY Yellow perch 0.7 12 40 31 52 96-h LC50 Test Stage e or Temp 95%5% CI C 61,C50 and EC50 values are presented as ng/1. (nanograms organism Wt (g) (C) per liter). 1148-h EC50. Simocephalus' 11 15 8.4a c 24-h LC50. 6.1-12.2 ARAMITE Daphnia pulex' I1 15 7.5a 6.3-9.1 Chemical Name: 2-(p-tert-Butylphenoxy )-1 methylethyl-2-chloroethyl sulfite G. fasciatus' M 21 6.4 4.6-8.9 Alternate Names: Aracide, CAS-140-57-8, ENT-16519, pteronarcys' YC2 15 8.0 Niagaramite, 88-R 5.7-11.0 Principal Use: Acaricide Rainbow trout' 1.4 13 1.6 Sample Description: Technical material, 90% Bluegill' 0.4 18 0.8 SUMMARY OF ACUTE TOXICITY Simocephalus' 11 15 6.4a 4.6-8.9 96-h LC50 Test Stage or Temp 95% CI Daphniapulex' 11 15 4.2a organism wt (g) (C) (µg/L) 2.8-6.2 Simocephalus I1 15 230a G. fasciatus' I1 21 5.0 140-390 3.7-6.8