Document 2a5E8qzNXEgV501LZeYE0X0a

PFOS EcotoxicologicalTesting Results Comparison of Effect Concentrations Calculated Using Different Sample Purity All values calculatedas mean measuredconcentrationse, xceptwhere* (nominal). Parameter Wastewater bacteria (OECD 209) 3-hrEC50 Inhibitionat highestconcentratiotnested(905 or 870mg/L)= 39% Selenastrum capricornutum ( freshwater green algae) 96-hrNOEC (growthrate) 96-hrErClo (95%ConfidenceInterval) 96-hrErCso (95%ConfdenceInterval) Daphnia magna (freshwater water flea) _cute 48-hr NOEC _cute 48-hrECIo (95%ConfidenceInterval) Acute48-hrECho (95%ConfidenceInterval) Acute 48-hrECgo (95% ConfidenceInterval) 21-day Semi-StataicLife-cycleTest NOEC 21-daySemi-StataicLife-cycleTestLOEC Mysidopsis bahia (marine shrimp) Acute 96-hrNOEC Acute 96-hrEC5o (95% ConfidenceInterval) 35-day Flow-througLhifeCycleTest NOEC 35-dayFlow-througLhifeCycleTest LOEC _Unio complamatus (freshwater mussel) Acute96-hourNOEC Acute96-hourLCso (95%ConfidenceInterval) Crassostrea virginica Shell Deposition (oyster) Acute96-hourNOEC Acute96-hourECho(95% ConfidenceInterval) SolubilitylimitsprecludedobtainingECsovalue. Inhibitionat highestconcentrationtested= 28% Pimephales promelas Acute96-hr NOEC (fathead minnow) Acute96-hrLCso (95% ConfidenceInterval) 47-daysEarlyLife-StageToxicityTestNOEC 47-daysEarlyLife-StageToxicityTestLOEC _.vian Dietary Toxicity Tests Acute MallardDuckLCso (95% ConfidenceInterval) Acute MallardDuckNomortalityconcentration Acute MallardDuckNOEC (weightloss) Acute BobwhiteQuailLC5o (95% ConfidenceInterval) Acute BobwhiteQuailnomortalityconcentration Acute BobwhiteQuailNOEC OtherAffected Studies Water Solubility(Purewater,GLP study) Watersolubility(freshwatern, on-GLP) Watersolubility(freshwatear lgalmedium,non-GLP) Watersolubility(saltwatern, on-GLP) Result (90.49% purity) Result (86.9% purity) > 905* > 870* Units mg/L 44 59 (54 - 63) 126 (115 - 138) 33 53 (<11- >91) 61 (33 - 91) 63 (<11- >91) 12 24 1.1 3.6 (3.0 - 4.6) 0.25 0.55 20 59 (51 - 68) 1.9 >3.0 42 57 (52 - 60) 121(110 - 133) 32 51 (<11 - >87) 59 (32 - 87) 60 (<11 - >87) 12 23 1.1 3.5 (2.9 - 4.4) 0.24 0.53 19 57 (49 - 65) 1.8 >2.9 mg/L mg]L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L 3.3 9.5 (8.0 - 11) 0.3 0.6 628 (448 - 958) 146 37 220 (164 - 2,89) 73 73 519 371 430 24.9 3.2 9.1 (7.7 - 11) 0.29 0.58 603 (430 - 919) 141 35 212 (158 - 278) 70 70 498 326 378 21.8 rng/L mg/L mg/L mg/L moJkg mg/kg mg/kg mg/kg mg/kg mg/kg mg/L mg/L mg/L mg/L