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23 Principal Use: Insecticide Sample Description: Technical material, 96% SUMMARY OF ACUTE TOXICITY Test organism Stage or wt (g) Temp (C) 96-h LC50 95% CI (mg/L) Simocephalus I1 15 5.08 3.6-6.8 Daphnia pulex I1 15 10.08 7.6-13.0 Rainbow trout 1.8 12 47.0 Bluegill 0.8 24 > 400 848-h EC50 CYANAZINE Principal Use: Herbicide Chemical Name: 2-[[4-Chloro-6-(ethylamino)-S-triazin- Sample Description: Liquid, 21.1% 2-yl] amino] -2-methyl-propionitrile SUMMARY OF ACUTE TOXICITY Alt t N Blad 1D. ze SD 15418 WL 96-h LC50 Test Stage or Temp 95% CI organism wt (g) (C) (mg/L) Channel catfish' 1.6 18 10.4 7.7-14.0 Bluegill' 1.1 18 22.5 NOTE: Toxicity to fathead minnows and bluegills was not altered by a sixfold increase in water hardness. CYTROL AMITROLE-T Chemical Name: Mixture of aminotriazole and ammonium thiocyanate Alternate Names: Amitril-TL, Amitrole-T erns a amea. ex, y 96-h LC50 19805 Test Stage or Temp 95% CI Principal Use: Herbicide organism wt (g) (C) (mg/L) Daphnia magna I1 21 18.0-56.08 Sample Description: Technical material, 100%1; Bladex dispersible liquid, 4 lb/gall; Bladex wettable Asellus M 15 > 100 powder, 80%3 Channel catfish 1.8 18 > 160 SUMMARY OF ACUTE TOXICITY Bluegill 1.1 18 > 280 96-h LC50 Test Stage or Temp 95% CI a48 -h EC50. organism wt (g) ICI IIng/Ll NOTE: Water hardness variations from 44 to 272 ppm G. fasciatus' M 15 2.0 did not produce an observable change in toxicity to bluegills or channel catfish. Fathead minnow, 0.9 18 16.3 14.2-18.0 Channel catfish, 1.6 18 17.4 12.2-24.8 DALAPON Fathead minnow' 1.2 18 17.5 15.7-19,7 Chemical Name: 2,2-Dichloropropionic acid Channel catfish' 1.6 18 11.3 Alternate Names: Basapon, CAS 75-99-0, Ded-Weed, 9.912.9 Dowpon, Gramevin, Radapon, Unipon Rainbow trout' 1.0 13 9.0 Principal Use: Herbicide 5.6-14.6 Fathead minnow' 1.2 18 21.3 Sample Description: Technical material, 75.6%1; 16.5-27.4 sodium salt formulation, 86.5%2