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Enviro - Chem, Inc. <br />1214 E. Lexington Avenue, Pomona, CA 91766 Tel (909) 590-5905 Fax (909) 590-5907 <br />LABORATORY REPORT <br />CUSTOMER: Environmental & Chemical Consulting, Inc. <br />P.O. Box 3263, Crestline, CA 92325 <br />Tel:(909)714-2095 E-Mail: David.Diaz@ECCInc.US <br />PROJECT: Owens-Tracy / Quench Water <br />SAMPLING DATE:09/28/20 <br />MATRIX: LIQUID <br />REPORT TO:MR. DAVID DIAZ <br />DATE RECEIVED:09/28/20 <br />DATE ANALYZED:09/28&29/20 <br />DATE REPORTED:09/29/20 <br />SAMPLE I.D.: Owens-Water LAB I.D.: 200928-12 <br />TOTAL THRESHOLD LIMIT CONCENTRATION (TTLC) ANALYSIS <br />UNIT: MG/KG = MILLIGRAM PER KILOGRAM = PPM <br />ELEMENT SAMPLE PQL TTLC STLC <br />ANALYZED RESULT DF LIMIT LIMIT <br />EPA <br />METHOD <br />Antimony(Sb) ND 0.02 1 500 15 60103 <br />Arsenic (As) ND 0.01 1 500 5.0 6010B <br />Barium(Ba) ND 0.1 1 10,000 100 6010B <br />Beryllium (Be) ND 0.01 1 75 0.75 6010B <br />Cadmium(Cd) ND 0.01 1 100 1.0 6010B <br />Chromium(Cr)Total ND 0.01 1 2,500 560/5@ 60103 <br />Chromium VI (Cr6) 0.01 1 500 5.0 7196A <br />Cobalt (Co) ND 0.02 1 8,000 80 6010B <br />Copper (Cu) ND 0.02 1 2,500 25 60103 <br />Lead(Pb) 0.024 0.01 1 1,000 5.0 60108 <br />Mercury (Hg) ND 0.0005 1 20 0.2 7470A <br />Molybdenum(Mo) 0.381 0.1 1 3,500 350 6010B <br />Nickel (Ni) ND 0.05 1 2,000 20 6010B <br />Selenium (Se) ND 0.02 1 100 1.0 601013 <br />Silver(Ag) ND 0.02 1 500 5.0 60103 <br />Thallium (Ti) ND 0.02 1 700 7.0 60103 <br />Vanadium (V) ND 0.1 1 2,400 24 6010B <br />Zinc(Zn) 0.066 0.01 1 5,000 250 6010B <br />COMMENTS <br />DF = Dilution Factor <br />PQL = Practical Quantitation Limit <br />Actual Detection Limit = PQL X DF <br />ND = Below the PQL or non-detected <br />TTLC = Total Threshold Limit Concentration <br />STLC = Soluble Threshold Limit Concentration <br />@ = Must meet both the STLC Limit at 560 and EPA-TCLP Limit at 5 <br />* = STLC analysis for the metal is recommended (if marked) <br />** = Additional Analysis required, please call to discuss (if marked) <br />*** = The concentration exceeds the TTLC Limit, and the sample is <br />defined as hazardous waste as per CCR-TITLE 22 (if marked) <br />= Not analyzed/not requested <br />Data Reviewed and Approved by: 17 <br />CAL-DHS ELAP CERTIFICATE No.: 1555