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Ek4m=K <br />ASSOCIATES <br />BSKAssociates Laboratory Fresno <br />AX 1878 <br />General <br />EPA 82608 - Quality Control <br />Batch: A703742 <br />Prep Method: no prep -volatiles <br />Prepared: 3/24/2017 <br />Analyst: AMN <br />Blank Spike Dup (A703742-BSD1) <br />LUFT GC/MS - Quality Control <br />Batch: A703742 <br />Prepared: 3/24/2017 <br />Prep Method: no prep -volatiles <br />tert-Amyl Methyl Ether (TAME) <br />21 <br />5.0 <br />ug/kg <br />20 <br />103 <br />79-129 <br />4 30 03/24/17 <br />tert-Butyl alcohol (TBA) <br />200 <br />50 <br />ug/kg <br />200 <br />03/24/17 <br />100 <br />72-130 <br />3 30 03/24/17 <br />Toluene <br />21 <br />5.0 <br />ug/kg <br />20 <br />Surrogate: 1,2-Dichloroethane-d4 <br />105 <br />65-136 <br />3 30 03/24/17 <br />Surrogate:1,2-Dichloroethane-d4 <br />49 <br />50 <br />98 <br />70-130 <br />03/24/17 <br />Surrogate: Bromotluorobenzene <br />50 <br />of <br />50 <br />100 <br />70-130 <br />03/24/17 <br />Surrogate: Toluene -d8 <br />51 <br />50 <br />103 <br />70-130 <br />03/24/17 <br />Matrix Spike (A703742-MS1), Source: A7C1878-01 <br />1,2-Dibromoethane (EDB) <br />20 <br />5.0 <br />ug/kg <br />20 <br />ND <br />99 <br />28-138 <br />03/24/17 <br />1,2-Dichloroethane <br />19 <br />5.0 <br />ug/kg <br />20 <br />ND <br />96 <br />34-155 <br />03/24/17 <br />Benzene <br />20 <br />5.0 <br />ug/kg <br />20 <br />ND <br />99 <br />27-162 <br />03/24/17 <br />Di -isopropyl ether (DIPE) <br />21 <br />5.0 <br />ug/kg <br />20 <br />ND <br />103 <br />80-126 <br />03/24/17 <br />Ethyl tert-Butyl Ether (ETBE) <br />20 <br />5.0 <br />ug/kg <br />20 <br />ND <br />101 <br />84-126 <br />03/24/17 <br />Ethylbenzene <br />19 <br />5.0 <br />ug/kg <br />20 <br />ND <br />97 <br />14-156 <br />03/24/17 <br />m,p-Xylenes <br />39 <br />5.0 <br />ug/kg <br />40 <br />ND <br />97 <br />18-156 <br />03/24/17 <br />Methyl -t -butyl ether <br />38 <br />5.0 <br />ug/kg <br />40 <br />ND <br />95 <br />48-149 <br />03/24/17 <br />Naphthalene <br />19 <br />5.0 <br />ug/kg <br />20 <br />ND <br />94 <br />10-148 <br />03/24/17 <br />o -Xylene <br />19 <br />5.0 <br />ug/kg <br />20 <br />ND <br />96 <br />22-147 <br />03/24/17 <br />tert-Amyl Methyl Ether (TAME) <br />19 <br />5.0 <br />ug/kg <br />20 <br />ND <br />96 <br />79-129 <br />03/24/17 <br />tert-Butyl alcohol (TBA) <br />190 <br />50 <br />ug/kg <br />200 <br />ND <br />93 <br />72-130 <br />03/24/17 <br />Toluene <br />20 <br />5.0 <br />ug/kg <br />20 <br />ND <br />101 <br />11-172 <br />03/24/17 <br />Surrogate: 1,2-Dichloroethane-d4 <br />48 <br />50 <br />97 <br />70-130 <br />03/24/17 <br />Surrogate: Bromotluorobenzene <br />51 <br />50 <br />101 <br />70-130 <br />03/24/17 <br />Surrogate: Toluene -d8 <br />51 <br />50 <br />103 <br />70-130 <br />03/24/17 <br />LUFT GC/MS - Quality Control <br />Batch: A703742 <br />Prepared: 3/24/2017 <br />Prep Method: no prep -volatiles <br />Analyst: AMN <br />Blank (A703742-BLK1) <br />Gasoline Range Organics (C6-10) <br />ND <br />1000 ug/kg <br />03/24/17 <br />Surrogate: 1,2-Dichloroethane-d4 <br />52 <br />50 104 50-150 <br />03/24/17 <br />Blank Spike (A703742-BS1) <br />Gasoline Range Organics (C6-10) <br />4800 <br />1000 ug/kg 5000 95 50-150 <br />03/24/17 <br />Surrogate: 1,2-Dichloroethane-d4 <br />50 <br />50 101 50-150 <br />03/24/17 <br />A7C1878 FINAL 05022017 1255 <br />Printed: 5/2/2017 <br />*** Amended Report *** <br />Page 5 9 <br />QA -RP -0001-10 Final.rpt <br />www.BSKAssociates.com <br />of <br />