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49 E !"07 VVATEK <br /> .. U.-1-. <br /> 24 Nlc%v Y�ir� Rd.Suite A.Jackson, CA 95642 entail: shanc("L }erwuterlab,com <br /> Client: California Laboratory Services Results: <br /> Subcontract Order: 2413068M2 96h LC50: >500 rng/L <br /> Sample ID. 8H 92 Calculation Method. Linear lnterpolation <br /> Additional ID: 49er 49575 Test Method . CDF G (1982) <br /> Test Organism Data <br /> Test Species- Pimephailes promelas Av8rage Length: 32-418 mm <br /> Source: Thomas Fish-Andarson, CA Average Weight: 0.4047 g <br /> Date Received . 2/13124 All 0.2-1.0 gram in Weight?: YES <br /> Water Quality Data <br /> Dilution Water. Soft DemineraIi;red Water-SdMW of 2/19/24 <br /> Hardness Alkalinity <br /> DO mC/1 pH unit Temp % (m9/L� {mg/1.1 <br /> Initial Control 8.4 7-6 19-4 Initial Control 87 34 <br /> 24h.Control 7.6 7.3 19.9 Initial 375 mgfL 37 34 <br /> 48h Central 7.3 7.1 19.9 Initial 750 mg1L 47 134 <br /> 72h Control 5.8 7_0 19.5 <br /> 96h Control 6,4 7-1 20.1 Total Total# <br /> Initial 375 mg/L 8.0 7-6 19-4 Orgamsms Orgam*m3 <br /> 24h 375 mg/L 7.6 7-3 19.8 Exposed Survived <br /> 48h 375 mg/L 6,6 7.2 19.8 ln1fl@1 Control 10 10 <br /> 72h 375 mg/L 5.5 7.1 1 19.8 Sample 375 mg/L 1 20 1 20 <br /> 96h 375 mg/1 5.2 7.2 20.2 5arnple 750 mg/L 1 20 120 <br /> Initial 750 mg/L 7,9 7.6 19.4 <br /> 24h 750 rnp,/L 7-7 7-3 19.7 <br /> 48h 750 mg/L 6.3 7-2 19.7 <br /> 72h 750 Fng/L 5-4 7-1 19.7 <br /> 95h 75o rng/L 4.4 1 7.1 20,1 <br /> Conclu5ion: This sample has been deemed NOWHA,2'ARIDOUS Per the requirements in CCR. Title <br /> 2, Senion 66261.24a.21B.6, samples with an LC50 >500 m91L, analyzed by guidance method Polmisini <br /> & Miller (C0FC 1988), are deemed to he non-hazardous to the aquatic environment. "Ail raw <br /> datalG E T I S reports available upo5 request <br /> CiagUA105-HI sAy A y5l UaS. <br /> y 7-1-0#� <br /> ShaneBUfF-LabaraLorr ).reUo- Oats <br /> ELAN Certification 93036 Page 5 of 14 02/29/2024 <br />