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R ..,.IER WASTE LABORATORY (1t0 9i&131 ) CERTIFIED Ly CALIFORNIA GEr77 of hEAI T}{ <br /> Central Central Coast Lob Number F-14,130-133 Co--p <br />' Coast Analytical Services Collected 11 /02/89 <br /> i Analytical 141 Suburban Road, Suite C-4 Received 11 /03/89 <br /> I Services San Luis Obispo, California 93401 Tested As Listed <br /> (805) 543-2553 Collected by M Edmonson/M Stanger <br />' ATTN Kathleen Isaacson Sample Description <br /> Western Geologic Resources Project #7-076 01 <br />' 2169 E Francisco Blvd , Suite B SS-1 , S-2, SS-3, SS-4 <br /> Son Rafael , CA 94901 Composite <br /> STATIC ACUTE BIOASSAY <br /> Species Pimephales promelas Test Type Static 96 hr LC50 <br /> Common Name Fathead Minnow Dilution Water Freshwater (soft) <br /> Supplier Thomas Fish Co Number per Tank 10 <br />' x Length 3 3 cm x Weight 0 56 g Max Length 4 0 cm Min Length 2 6 cm <br /> Acclimation Period >10 days Max Weight 0 91 g Min Weight 0 24 g <br /> Acclimation Temperature 17-19 degrees C Tank Volume 10 liters <br /> Dead in Acclimation Tank <1% Hardness 44. <br /> Alkalinity 30 <br /> INITIAL 24 HOUR 48 HOUR 72 HOUR 96 HOUR <br /> DATE 11/13/89 11/14/89 11/15/89 11/16/89 11/17/89 <br /> TIME 01500 JRH 01330 JRH 01600 JRH 01300 JRH 01500 JRH No <br /> DO C pH DO C pH 0" DO C pH #M DO C pH #M DO C pH #M Dead <br /> Deg. Deg Deg Deg Deg <br /> TROL 8 9 17 7 4 9 0 17 7 5 0 8 8 17 7 6 0 8 8 17 7 6 0 8 6 18 7 6 0 0 <br /> 750 mg/l 8 1 17 7 5 8 3 17 7 5 0 8 1 17 7 5 0 8 2 17 7 5 0 8 0 18 7 5 0 0 <br /> 1750 mg/l 7 9 17 7 5 8 1 17 7 5 0 7 8 17 7 5 0 7 8 17 7 5 0 7 7 18 7 5 0 0 <br />'509 mg/1 7 8 17 7 5 7 9 17 7 5 0 7 7 17 7 5 0 7 7 17 7 5 0 7 6 18 7 5 1 1 <br /> I <br /> 500 mgll 8 0 17 7 5 8 2 17 7 5 0 8 0 17 7 5 0 8 1 17 7 5 0 7 9 18 7 5 0 0 <br /> 250 mg/l 8 3 17 7 5 8 4 17 7 5 0 8 1 17 7 5 0 8 1 17 7 5 0 7 9 18 7 5 0 0 <br /> 250 mg/l 8 4 17 7 5 8 5 17 7 5 0 8 3 17 7 5 0 8 2 17 7 5 0 . 8 0 18 7 5 0 0 <br />'REMARKS Sample Alkalinity Before 36mg/l After 38mg/1 <br /> 0750 mg/l Hardness Before 42mg/l After 46mg/l <br /> LC50 >750 mg/l LC50 <br /> This 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 /> criterion <br /> Respectfully submitted, <br /> 11/20/89 CENTRAL COAST AN YTICAL SERVICES <br />' F14130BI WR1/#127 ` '!�'j��l,��100 <br /> G��J� <br /> MH/ke Mary HdJlicek, h D President <br />