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`-•••• •.•-_a 0 4t • 5UVt :R tfdt P.02/08 <br />Enviro - Chem, Inc. <br />1214 E. Lexington Avenue, Pomona, CA 91766 Tel (909) 890-5905 Fax (909) 590-5907 <br />LABORATORY REPORT <br />CUSTOMER: Worldwide Waste Services <br />3770 Grand Avenue <br />Pomona, CA 91766 <br />Tel(909)597-2999 Pas(909)507-2995 <br />PROJECT: PNP - Stockton <br />DATE SAMPLED:O 17 1 DATE RECEIVED:08119/11 <br />MATRIX:SDIL DATE ANALYZED:08/20-24/11 <br />REPORT TO:M$. LISA ULLOA DATE REPORTED:08 1 <br />SAMPLE ID: Soil, Rock LAB ID: 110819-23 <br />----------------------------------------------- <br />- _ -__ <br />AQUATIC ^_` <br />ATIC TOXICITY TESTING <br />METHOD: STATE OF CALIFORNIA DEPARTMENT OF FISH AND GAME APPROVED <br />PROCEDURES USING PIMEPHALES PROMELAS (FATHEAD MINNOWS) <br />RESULTS: 56 MORTALITY RATE AT 750 mg/L CONCENTRATION <br />(95% SURVIVAL) <br />09 MORTALITY RATE AT 500 mg/L CONCENTRATION <br />(100% SURVIVAL) <br />Orb MORTALITY RATE AT 250 mg/L CONCENTRATION <br />(100% SURVIVAL) <br />THEREFORE, LC -50 > 750 mg/L <br />COMMENTS <br />mg/L - MILLIGRAM PER LITER - PPM <br />> = GREATER THAN <br />ANALYSIS WAS PERFORMED BY ASSOCIATF,p�sAHORATORIES, ORANGE, CA <br />DATA REVIEWED AND APPROVED BY: G,/'G//// <br />ENVIRO-CHEM'S CAL -DHS FLAP CERTIFICATE No.: 1555 <br />