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49ERMWATER <br />A fVLL AM J"t iWRL WNTAL LAI <br />245 New York Ranch Rd, Suite A. Jackson, CA 95642 email: shane(09erwateriab.com <br />Client: California Laboratory Services Results: <br />Subcontract Order: 2144354 96h LC50: >500 mg/L <br />Sample ID #: EX -(A -6) -(C -D) COMP Calculation Method: Linear Interpolation <br />Additional 1D: 49er 15767 <br />Test Organism Data <br />Test Species: Nmephales promelas Average Length: 37.12 mm <br />Source: Thomas Fish -Anderson, CA Average Weight: 0.7420 g <br />Rec'd Date: 4/12/21 All <1.5x Min. Length?: YES <br />Water Quality Data <br />Dilution Water: Soft Dernineralized Water- SdMW of 4/13/21 <br />Total <br />Organisms <br />Exposed <br />DO mg/L <br />pH unit <br />Temp °C <br />Initial Control <br />8.9 <br />7.4 <br />19.1 <br />24h Control <br />8.3 <br />7.4 <br />18.5 <br />48h Control <br />5.2 <br />7.1 <br />19.2 <br />72h Control <br />5.2 <br />7.1 <br />19.7 <br />96h Control <br />4.1 <br />7.0 <br />19.5 <br />Initial 375 mg/L <br />8.9 <br />7.4 <br />18.2 <br />24h 375 mg/L <br />8.3 <br />7.6 <br />18.0 <br />48h 375 mg/L <br />6.2 <br />7.1 <br />18,9 <br />72h 375 mg/L <br />5.2 <br />7.1 <br />19,2 <br />96h 375 mg/L <br />3.2 <br />7.0 <br />19.0 <br />Initial 750 mg/L <br />8.9 <br />7.4 <br />18.2 <br />24h 754 mg/L <br />8.4 <br />7.6 <br />18.0 <br />48h 750 mg/L <br />6.2 <br />7.1 <br />18.9 <br />72h 750 mg/L <br />5.4 <br />1 7.2 <br />19.2 <br />96h 750 mg/L <br />3.5 <br />7.1 <br />19.1 <br />Total <br />Organisms <br />Exposed <br />Hardness <br />(mg1L) <br />Alkalinity <br />(mg/L) <br />Initial Control <br />40 <br />48 <br />Initial 375 mg/L <br />32 <br />34 <br />initial 756 mg/L <br />1 34 <br />1 28 <br />Total <br />Organisms <br />Exposed <br />Total # <br />Organisms <br />Survived <br />Initial Control 10 <br />10 <br />Sample 375 mg/L 20 <br />20 <br />Sample 750 mg/L 19 <br />19 <br />inclusion: This sample has been deemed NON -HAZARDOUS. Per the requirements in CCR, Title <br />Section 66261.24a.2B.6, samples with an LC50 X504 mg/L. analyzed by guidance method Polisini <br />Miller (COFG1988), are deemed to be non -hazardous to the aquatic environment. *'All raw <br />ita/CFTIS reports available upon request <br />y5t <br />A?_ <br />Date <br />Shane Burr -Laboratory Dirertor Date <br />Page 1 of 3 04/22/2021 <br />FLAP Certification #3036 <br />