Laserfiche WebLink
IR '-A7ESR & HAZARDOUS WASTE LABORATORY (No 90&131 ) CERTIFIED by CALIFC,r11A DEPT of hEALTH SERI,11,:EE <br /> Central t Central Coast Lob Number F-14, 138-141 Comp <br /> Coast ' Analytical Services Collected 11/02/89 <br /> Analytical 141 Suburban Road, Suite C-4 Received 11 /03/89 <br /> 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 W7-076 01 <br /> 2169 E Francisco Blvd , Suite B SS-9, S-10, SS-11 , SS-12 <br /> San 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 #fM DO C pH #M DO C pH #M DO C pH #M Dead <br /> Deg Deg Deg Deg Deg <br /> NTROL 9 2 17 7 4 9 3 17 7 5 0 9 1 17 7 6 0 9 0 17 7 6 0 8 8 18 7 6 0 0 <br />,750 mg/l 8 7 17 7 4 8 9 17 7 5 0 8 7 17 7 6 0 8 6 17 7 6 0 8 5 18 7 6 0 0 <br /> 750 mg/l 9 0 17 7 4 9 1 17 7 6 0 8 9 17 7 6 0 8 8 17 7 6 0 8 6 18 <br /> 7 6 0 0 <br /> 500 mg/1 8 4 17 7 4 8 5 17 7 6 0 8 3 17 7 6 0 8 3 17 7 6 0 8 1 18 7 6 0 0 <br /> 500 mg/1 8 1 17 7 4 8 1 17 7 5 0 7 8 17 7 5 0 7 8 17 7 6 0 7 7 18 7 6 0 0 <br /> 250 mg/l 8 9 17 7 4 9 0 17 7 5 0 8 8 17 7 6 0 8 8 17 7 6 0 8 7 18 7 6 0 0 <br /> 250 mg/l 9 0 17 7 4 9 1 17 7 5 _ O 8 9 17 7 6 0 8 8 17 7 6 0 8 6 18 7 6 0 0 <br /> REMARKS Sample Alkalinity Before 38mg/1 After 32mg/l <br /> 0750 mg/1 Hardness Before 50mg/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 m l with fathead eod 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 p y <br /> CENTRAL COAST ANALYTICAL SERVICES <br /> F141388I.WR1/#127 <br /> MH/ke _Iery` Hdvicak, Ph , President <br />