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1 <br /> ' LETTER OF TRANSMITTAL <br /> ' Date: January 29, 1992 <br /> To: Mr. Mark Smith <br /> ' American Environmental Lab, Corp <br /> 3249 Fitzgerald Rd <br /> Rancho Cordova, CA 95742 <br /> ' From: William E Foster, AS <br /> Laboratory Manager <br /> Terrance E Carter <br /> Laboratory Director <br /> ' Subject: Aquatic Toxicity Testing Results for Hazardous Waste Testing <br /> Iqu <br /> a Terra Technologies <br /> quatic Bioassay <br /> aboratory <br /> LO Buskirk Avenue MATRIX AND I.D: One Soil Sample #10753 (SP-2 Composite, PO <br /> 950 Buskirk Avenue #4086, Job #82472 <br /> Suite 120 <br /> �Crerk GA <br /> TREATMENT DILUTIONS (mg/L): 250, 500, 750 and Control run in soft <br /> 415 934 4884 water of 40-48 mg/L hardness run in duplicate with 10 fish/10 L tank and 20 <br /> FAX 934 0418 fish/treatment. <br /> TESTING PERIOD: Received 1/15/92; Tested 1/17/-21/92 <br /> TOXICITY TEST(S): Fathead Minnow (Pimephales promelas) 96-hour <br /> static Hazardous Waste Toxicity. <br /> METHODS: ATT's hazardous waste aquatic toxicity test protocol based on <br /> ' "Standard Methods for the Examination of Water and Wastewater", 16th <br /> Edition, American Public Health Association, 1986, "Static Acute Bioassay <br /> Procedures for Hazardous Waste Samples" (Polismi and Miller, 1988), <br /> I ' California Department of Fish and Game, and as certified by the State of <br /> California Department of Health Services <br /> SUMMARY Fathead minnow 96-hour percent survival was 100% in <br /> Controls, 95% in 250 mg/L, and 100% in 500 mg/L, 750 mg/L <br /> 96—hour LC 50 750 lug/L. <br /> The summary datasheet for these tests are enclosed <br /> JE %DEOFMOFh <br /> r; <br /> o <br /> Bioassay Lab/Report Bascs/96HRPGT RPT <br /> J � 1 <br /> F� V <br />