Laserfiche WebLink
LETTER OF TRANSMITTAL <br /> IT T' <br /> Date December 4, 1990 <br /> To Ms Maggie Neckles <br /> Canome Environmental <br /> 212 Frank West Circle, Suite A <br /> Stockton, CA 95206 <br /> From William E Foster, M S <br /> Laboratory Manager <br /> Terrance E Carter <br /> Laboratory Director <br /> Subject Aquatic Toxicity Testing Results for Hazardous Waste Testing <br /> Aqua Terra Technologies SAMPLE MATRIX AND I.D Composite Soil Sample #8846 (#855880-C,Stockpile), Project <br /> AquauL Bioassay #90-822, Blanket PO#7015 <br /> t aboratory <br /> TREATMENT DILUTIONS (mg/L): 250, 500, 750, and Control run in soft water (40-48 mg/L <br /> hardness) and in duplicate with 10 fish/3 L tank and 20 fish/treatment <br /> 2950 Buskirk Avenue <br /> Suite 120 TESTING PERIOD November 28 to December 1, 1990 <br /> t Creek, CA <br /> BIOASSAY TEST Fathead minnow (Pimephales nromelas) 96-hour static Hazardous Waste <br /> 415 934 4884 'I oxicity <br /> FAX 934-0418 <br /> METHODS "Standard Method-, for the Examination of Water and Wastewater", 16th Edition, <br /> American Public Health Association, 1986, "Static Acute Bioassay Procedures for Hazaidous <br /> Waste Samples" (Polismi and Miller, 1988), California Department of Fish and Game, and <br /> certified by the State of California Department of Health Services <br /> SUMMARY Fathead minnow 96-hour percent survival was 100% in Control There was 85% <br /> survival in the 250 mg/I. treatment and 95% survival in the 500-750 mg/L treatments by 96 <br /> hours <br /> The 96-hour LC50 > 750 mg/L for Sample #8846 (#855880-C,Stockpile) <br /> Summary data sheets for this test are enclosed <br /> O��HOEPfNaEh <br /> P <br /> i <br /> = s <br /> p P 6W7/CAEW46B ilEP <br /> r <br /> a � <br /> J � <br />