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NORTH COAST <br /> ti LABORATORIES LTD. <br /> DATE August 24, 1998 <br /> Page 1 of 2 <br /> REPORT WEST Laboratory <br /> 1046 Olive Drive, Suite 2 <br /> Davis, CA 95616-4721 <br />' ATTENTION Troy Turpen ELAP Certification # 1247 <br /> NCL 98-08-378-01A Sample ID Southland/#14117 <br /> SS-1,2,3,4 AB <br /> Date Received 08/17/98 Date Sampled 08/14/98 <br /> HAZARDOUS WASTE DEFINITIVE <br /> 1 Survival Rate 100 % in 1000 ppm Species Fathead Minnow, Pimephales promelas <br /> Acclimation Time 2 Days Date Started 08/19/98 <br /> 2 tanks per dilution, 10 fish per tank Samples were maintained at 20 ±2°C <br />' Concentration Control Dupt 1000 Dupl 870 1]upl 560 Dup€ 320 Dup€ 180 Dupl <br /> m IL <br />' Initial pH 72 72 74 74 74 74 73 73 73 73 72 72 <br /> Initial DO 94 9,4 93 93 93 93 9,3 93 94 94 94 94 <br />' 24 Hr pH 72 72 74 73 73 74 73 72 71 72 72 71 <br /> 24 Hr DO 89 92 91 97 87 85 84 89 92 91 97 90 <br /> Total Dead 0 0t73 <br /> 0 0 4 0 0 0 0 0 0 <br /> 46 Hr H 71 72 74 72 73 70 71 69 71 70 70 <br /> 48 Hr DO95 93 95 91 92 91 90 $ 8 89 93 91 <br /> Total Dead 0 0 0 0 Q Q 0 0 0 0 0 <br /> 72 Hr H 76 77 79 78 77 77 78 79 79 78 79 79 <br /> 72 Hr DO 85 81 85 83 84 81 82 85 80 78 87 84 <br /> Total Dead 0 0 0 0 0 0 0 0 0 0 0 0 <br /> 96 Hr pH 81 79 81 80 79 80 79 80 76 77 76 78 <br /> 96 Hr DO 87 86 89 89 86 88 88 88 78 79 77 82 <br /> 1 TOTAL Dead 0 0 0 0 0 0 0 0 0 0 0 0 <br /> ' Hardness Control Sample 1000 Alkalinity Control Sample 1000 <br /> m IL m /L <br /> m CaC031L Control Du l Sample Dupi m CaC031L Control Dupi Sample Dupi <br /> Inital 64 64 76 76 Initial 52 52 52 52 <br /> ' Final 100 104 106 100 Final 96 76 84 80 <br /> Fish Data <br /> 1 Ave Length 4 0 cm Ave Weight 0 60 g <br /> Max. Length 4 3 cm Max Weight 0 77g <br /> Min Length 3 8 cm Min Weight 0 52g <br /> 11-7 <br /> rL <br /> boratory Supervisor QA Officer _ ��� Jesse G. r <br /> Laborator Director <br /> 5680 West t nd Road Arc ata ( alifornia 955)1 < 707 822 4649 IAX 707 822 6831 <br />