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CR & 'TASTE LABORATORYtoo 90&1 <br /> � 31 ) CERTIFIED by CALIFOR11IA C�?T of f E, ?- { �E i _CE- <br /> Central Central Coast Lab Number F-14, 134-137 Co^-p <br /> Coast Analytical Services Collected 11 /02/89 <br /> Analytical 141 Suburban Rood, Suite C-4 Received 11 /03/89 <br /> Services San Luis Obispo, California 93491 Tested As Listed <br /> (805) 543-2553 Collected by M Edmonson/M Stenger <br /> ATTN Kathleen Isaacson Sample Description <br /> Western Geologic Resources Project #7-076 01 <br /> 2169 E Francisco Blvd , Suite a SS-5, S-6, SS-7, SS-8 <br /> Son Rcfcel , CA 94901 Composite <br /> STATIC ACUTE BIOASSAY <br /> Species Pimepholes promelas <br /> Common Name Fathead Minnow Test Type Static 96 hr LC50 <br /> Supplier Dilution Water Freshwater (soft) <br /> PP Thomas Fish Co Number per Tank 10 <br /> Length 3 3 cm x Weight 0 56 g Max Length 4 0 cm Min Length 2 6 cm <br /> Acclimation Period >10 days <br /> Acclimation Temperature 17-19 degrees C Max Weight 0 91 g Min Weight 0 24 g <br /> Dead in Acclimation Tank <1% Tank Volume 10 liters <br /> Hardness 44 <br /> Alkalinity, 30, <br /> INITIAL 24 HOUR 48 HOUR 72 HOUR <br /> ATE 11/13/89 11/14/89 11/15/89 96 HOUR <br /> IME 07500 JRH 01330 JRH 11/16/89 11/17/89 <br /> 01600 JRH 01300 JRH 01500 JRH No <br /> DO C pH DO CH #M <br /> R DO C pH #M DO C pH #M DO C pH #M Dead <br /> 8 8 9 Deg <br /> 1TROL 8 9 117 7 4 9 0 117 7 5 0 8 8 17 7 6 0 Deg <br /> 8 8 17 7 6 0 8 6 18 7 6 0 0 <br /> 50 mg/l 8 5 17 7 4 8 6 17 7 5 0 8 4 17 7 5 0 8 4 17 7 5 0 8 2 18 7 5 0 0 <br /> 50 mg/1 8 1 17 7 4 8 1 17 7 5 0 7 9 17 7 5 0 8 9 17 7 5 0 7 9 18 7 5 0 0 <br />�00 mg/l 8 3 17 7 4 8 4 17 7 5 0 8 2 17 7 5 0 8 2 17 7 5 0 8 0 18 7 5 0 0 <br /> 500 m9/1 8 6 17 7 4 8 8 17 7 5 0 8 6 17 7 5 0 8 5 17 7 5 0 8 3 18 7 5 0 0 <br /> 1150 mg/181 17 74 82 17 75 0 80 17 75 0 80 17 7 5 0 78 18 7 5 0 0 <br /> 11250 mg/l 9 0 17 7 4 9 1 17 7 5 0 8 9 17 -7 5 0 8 8 17 7 5 0 8 6 18 7 5 0 0 <br /> EMARKS Sample Alkalinity Before 36mg/1 <br /> 0750 mg/1 Hardness Before 46mAfter 34mg/1 <br /> I50 >750 m 9/1 After 43mg/1 <br /> g/1 LC50 <br /> CCis <br /> material does not have an acute aquatic 96-hr LC50 less than 500 mg/1 with fathead minnows <br /> and according to 22 Cal Adm Code Art 11 Sec 66696 (4) is not hazardous or toxic by this <br /> riterion <br /> i1/20/89 Respectfully submitted, <br /> F14134BI WR1/#127 CENTRAL COA T AN LYTICAL SERVICES <br /> MH/ke Mq Hak <br /> Y D President <br />