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CALIFORNIA STATE '"";• <br /> ENVIRONMENTAL LABORATORY ACCREDITATION PROGRAM <br /> Water $Uatrrl3 Accredited Fields of Testing <br /> A&L Western Laboratories <br /> Certificate No. 1657 <br /> 1311 Woodland Avenue Expiration Date 10/31/2019 <br /> Modesto,CA 95351 <br /> Phone: (209)529-4080 <br /> Field of Testing: 108-Inorganic Chemistry of Wastewater <br /> 108.381 001 Oil and Grease EPA 1664A <br /> 108.410 001 Alkalinity SM2320B-1997 <br /> 108.430 001 Conductivity SM251OB-1997 <br /> 108.439 001 Residue,Volatile SM2540E-1997 <br /> 108.440 001 Residue,Total SM254OB-1997 <br /> 108.441 001 Residue,Filterable TDS SM254OC-1997 <br /> 108.442 001 Residue,Non filterable TSS SM254OD-1997 <br /> 108.443 001 Residue,Settleable SM254OF-1997 <br /> 108.444 001 Temperature SM255OB-2010 <br /> 108.453 001 Chloride SM4500-Chloride D-1997 <br /> 108.460 001 Chlorine,Total Residual SM4500-CI B-2000 <br /> 108.490 001 Hydrogen Ion(pH) SM4500-H+B-2000 <br /> 108.501 002 IQeldahl Nitrogen,Total(as N) SM4500-NH3 C-1997 <br /> 108.506 002 Ammonia(as N) SM4500-NH3 G-1997 <br /> 108.529 003 Nitrate(as N) SM4500-NO3 F-2000 <br /> 108.536 001 Oxygen,dissolved SM4500-0 G-2001 <br /> 108.540 001 Phosphate,Ortho(as P) SM4500-P EA999 <br /> 108.572 001 Sulfate SM4500SO4 E-1997 <br /> 108.594 001 Chemical Oxygen Demand SM522OC-1997 <br /> Field of Testing: 109-Toxic Chemical Elements of Wastewater <br /> 109.010 001 Aluminum EPA 200.7 <br /> 109.010 023 Thallium EPA 200.7 <br /> 109.010 026 Vanadium EPA 200.7 <br /> 109.010 027 Zinc EPA 200.7 <br /> 109.191 001 Mercury EPA 245.1 <br /> As of 11/2/2018 ,this list supersedes all previous lists for this certificate number. <br /> Customers:Please verify the current accreditation standing with the State. Page 1 of 1 <br />