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Laboratories Inc. . <br /> Environmental Testing Laboratory Since 1949 <br /> Ground Zero Analysis , Inc. Reported : 01 /27/2020 7 : 46 <br /> 1172 Kansas Avenue Project : Bentz - Associated Tractor <br /> Modesto , CA 95351 Project Number: 1174 <br /> Project Manager: Project Manager <br /> Volatile Organic Analysis ( EPA Method 826013 ) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID : B068809 <br /> cis-1 , 3-Dichloropropene B068809-BLK1 ND mg/kg 0 . 0050 0.0017 <br /> trans- 1 , 3-Dichloropropene B068809-BLK1 ND mg/kg 0 . 0050 0. 0018 <br /> Totall , 3-Dichloropropene B068809-BLK1 ND mg/kg 0. 010 0. 0020 <br /> Ethylbenzene B068809-BLK1 ND mg/kg 0.0050 0 . 0022 <br /> - <br /> Hexachlorobutadiene 8068809-13LK1 ND mg/kg 0 . 0050 0. 0031 <br /> Isopropylbenzene B068809-BLK1 ND mg/kg 0 . 0050 0 . 0021 <br /> p-Isopropyltoluene B068809-BLK1 ND mg/kg 0.0050 0 . 0021 <br /> Methylene chloride B068809-BLK1 ND mg/kg 0.010 0.0015 <br /> Methyl t-butyl ether B068809-BLK1 ND mg/kg 0 . 0050 0. 0017 <br /> Naphthalene 8068809-BLK1 ND mglkg 0. 0050 0 . 0023 <br /> n-Propylbenzene 13068809-BLK1 ND mg/kg 0. 0050 0 . 0021 <br /> Styrene B068809-13LK1 ND mg/kg 0.0050 0.0020 <br /> 1 , 1 , 1 ,2-Tetrachloroethane B068809-13LK1 ND mg/kg 0 . 0050 0 .0020 <br /> 1 , 1 ,2,2-Tetrachloroethane B068809-BLK1 ND mglkg 0 . 0050 0 . 0022 <br /> Tetrachloroethene B068809-BLK1 ND mg/kg 0.0050 0 . 0022 <br /> Toluene B068809-BLK1 ND mg/kg 0.0050 0 .0020 <br /> 1 , 2 , 3-Trichlorobenzene B068809-BLK1 ND mg/kg 0 . 0050 0.0026 <br /> 1 ,2,4-Trichlorobenzene 13068809-BLK1 ND mg/kg 0 . 0050 0. 0027 <br /> 1 , 1 , 1 -Trichloroethane B068809-BLK1 ND mg/kg 0. 0050 0 . 0020 <br /> 1 , 1 ,2-Trichloroethane B068809-13LK1 ND mg/kg 0.0050 0. 0019 <br /> Trichloroethene B068809-BLK1 ND mg/kg 0 . 0050 0.0022 <br /> Trichlorofluoromethane B068809-BLK1 ND mg/kg 0 . 0050 0.0023 <br /> 1 ,2,3-Trichloropropane B068809-BLK1 ND mg/kg 0.0050 0 . 0023 <br /> 1 , 1 ,2JI-ichloro-1 , 2,2-trifluoroethane B068809-BLK1 ND mg/kg 0.0050 0 . 0020 <br /> 1 ,2,4-Trimethylbenzene 8068809-BLK1 ND mg/kg 0. 0050 0.0021 <br /> 1 , 3,5-Trimethylbenzene B068809-BLK1 ND mg/kg 0 . 0050 0.0021 <br /> Vinyl chloride 6068809-BLK9 ND mg/kg 0. 0050 0 . 0019 <br /> Total Xylenes B068809-BLK1 ND mg/kg 0. 010 0 . 0034 <br /> t-Amyl Methyl ether B068809-BLK1 ND mg/kg 0.0050 0. 00017 <br /> t-Butyl alcohol B068809-BLK1 ND mg/kg 0.050 0.0040 <br /> Diisopropyl ether B068809-BLK1 ND mg/kg 0. 0050 0. 00043 <br /> Ethanol B068809-BLK1 ND mg/kg 1 . 0 0. 13 <br /> Ethyl t-butyl ether 6068809-BLK1 ND mg/kg 0.0050 0 .00014 <br /> p- & m-Xylenes B068809-BLK1 ND mglkg 0 .0050 0.0038 <br /> The results in this wporl apply to the samples analyzed in accordance with the Chain (Ycustody docmnent . This anal),ltcol report mast he reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party . BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. <br /> Report ID : 1000990981 4100 Atlas Court Bakersfield, CA 93308 (661 ) 327-4911 FAX (661 ) 327- 1918 www, bclabs.com Page 25 of 35 <br />