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1534 Willow Pass Road, Pittsburg, CA 94565- 1701 <br /> M c C a mp b e I l Analytical , Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925 ) 252-9269 <br /> " Wl: en Quality Courts " http://Nvww.mccampbell.com / E-mail: main mccampbell.com <br /> Quality Control Report <br /> Client : GI4D Services, Inc . WorkOrder : 2001909 <br /> Date Prepared : 01 /22/2020 BatchID : 192728 <br /> Date Analyzed : 01 /22/2020 - 01 /23/2020 Extraction Method : SW5035 <br /> Instrument : GC7 Analytical Method : SW802113/801513m <br /> Matrix : Soil Unit : mg/Kg <br /> Project : 11208412 ; Ripon Replacement Sample ID : MB/LCS/LCSD492728 <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val % REC Limits <br /> TPH (g) (C6-C12) ND 0. 70 1 . 0 <br /> MTBE ND 0 . 0040 0. 050 <br /> Benzene ND 0 . 0030 0 .0050 <br /> Toluene ND 0 . 0020 0 . 0050 <br /> Ethylbenzene ND 0. 0022 0 . 0050 <br /> m , p-Xylene ND 0. 0030 0. 010 <br /> o-Xylene ND 0. 0010 0. 0050 - <br /> Surrogate Recovery <br /> 2-Fluorotoluene 0 .088 0 . 1 88 75- 134 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val % REC % REC Limits Limit <br /> TPH (btex) 0 .64 0 .65 0 .60 106 109 82- 118 2 .48 20 <br /> MTBE 0 . 096 0 .097 0 . 10 96 97 61 - 119 0 .911 20 <br /> Benzene 0. 11 0 . 10 0 . 10 105 102 77- 128 2 . 96 20 <br /> Toluene 0 . 11 0 . 11 0 . 10 110 107 74- 132 0 20 <br /> Ethylbenzene 0 . 11 0 . 11 0. 10 106 106 84-127 0 20 <br /> m , p-Xylene 0 .22 0 .22 0 . 20 110 112 80-120 0 20 <br /> o-Xylene 0 . 10 0 . 10 0 . 10 104 105 80-120 0 20 <br /> Surrogate Recovery <br /> 2- Fluorotoluene 0. 10 0 . 098 0 . 10 102 98 75- 134 3 . 73 20 <br /> "� <br /> ,I fir' E <br /> t ' A !� 04 2 2020 <br /> ENVIROMAS SAL HEALTH <br /> n ARTMENT <br /> CA ELAP 1644 • NELAP 4033ORELAP <br /> Page 26 of 36 <br />