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<br />~i <br /> <br />CORE LABORATORIES <br />D U A L I T Y A S S U R A N C E M E T H O D S <br />R E F E R E N C E S A N D N O T E S <br />Report Date: 09/28/96 <br />Volatile Organics <br />Method 602/8020 <br />Surrogate Recovery Limits <br /> Water Soil <br />Bromof luorobenzene 89-110X 78-1237. <br />Spike/Spike Duplicate Recovery Limits <br /> Water Soil <br />Benzene 39-150% 75-125% <br />E thyl benzene 32-160X 60-1407. <br />Toluene 46-148% 70-130% <br />Xylenes 75-1257. 61-139X <br />Method 8015 Modified <br />Spike/Spike Duplicate Recovery Limits <br /> Water Soil <br />TVPH 81-124% 48-152% <br />TEPH 54-135X 54-135% <br />Method 624/8240/8260 <br />Surrogate Recovery Limits <br /> Water Soil <br />Dibromof luoromethane 86-118% 80-120% <br />Toluene-(d8) 88-110% 81-117% <br />4-B romofluorobenzene 86-115X 74-121X <br />Spike/Spike Duplicate Recovery 8 RPD Limi ts <br /> Water Soil <br /> Recovery RPD Recovery RPD <br />1, 1-Dichloroethene 61-145X 14 59-172X 22 <br />Trich loroethene 71-1207. 14 62-137X 24 <br />Benzene 76-127X 11 66-142% 21 <br />Toluene 76-125% 13 59-139% 21 <br />Chlorobenzene 75-130% 13 60-133X 21 <br />Pesticides/PCB Organics <br />Method 608/8080 <br />Surrogate Recovery Li mi [ s <br /> Water Soil <br />Tet rachloro-m-xylene 60-1507. 60-1507. <br />4,G'-D ichlorobi phenyl 60-150X 60-150X <br />Method 8140 <br />Surrogate Recovery Limit s <br /> Water Soil <br />T ributyl phosphate 36-152% 36-1527. <br />Triphenyl phosphate 40-1527. 40-152% <br />Base/Neutral/Acid Organics <br />Me[hod 625/8270 <br />Surrogate Recovery Limit s <br /> Water Soil <br />Nitrobenzene-d5 35-114X 23-120X <br />2-Fl uorobiphenyl 43-116X 30-115% <br />4-Terphenyl-d14 33-141% 18-1377. <br />Phenol-d6 10-94X 24-113% <br />2-Fluorophenol 21-100% 25-121X <br />2,4,6-T ri bromophenol 10-123X 19-122X <br />Page 1 <br />..o~....~ ~nm.~i ~~. o... ~w . , o. co~...ro..~o„e u.. uwe~o,~., w.... m,.~, o..,,,,,e :..o ~. a..~~.~ o ,. w.a a , ~ .n .~..o+w. ~ u,w, ..m...e~o,n ~,oTM.w~^~or.. oo.. av v p,anea .,. o. <br />