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~' <br />CORE LABORATORIES <br />Q 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: 09/16/98 ~~ <br /> WATER LIMITS SOIL LIMITS <br /> Recovery RPD Recovery RPD <br />VOLATILE ORGANICS <br />Methods 602/8020 Surrogate <br />Bromof luorobenzene 89-110X 78-123X <br />Methods 602/8020 Spike/Spike Duplicate <br />Benzene 39-150X 25 75-125X 25 <br />Ethylbenzene 32-160% 25 60-140% 25 <br />Toluene 46-148X 25 70-130X 25 <br />xyl enes 75-125X 25 61-139X 25 <br />Method 8015 Mod. Spike/Spike Duplicate <br />TVPH 75-125Y. 20 48-152Y, 20 <br />TEPH 54-135X 20 54-135X 20 <br />Methods 624/8240/8260 Surrogates <br />Dibromof luoromethane 86-118X 80-120X <br />Toluene-(d8) 88-110% 81-117% <br />4-Bromof luorobenzene 86-115X 74-121% <br />Method 524.2 Surrogates <br />4-Bromofluorobenzene 80-120X <br />1,4-D ich lorobenzene-d4 80-120X <br />Methods 624/8240 Spike/Spike Duplicate <br />1,1-Dichloroethene 61-145% 14 59-172X 22 <br />Trichloroethene 71-120% 14 62-1377. 24 <br />Benzene 76-127% 11 66-142Y. 21 <br />Toluene 76-125X 13 59-139Y. 21 <br />Chlorobenzene 75-130X 13 60-133Y. 21 <br />Method 8260 Spike/Spike Dupli cate <br />1, 1-Dichloroethene 70-130X 14 70-130% 22 <br />Trichloroethene 71-120X 14 70-130X 24 <br />Benzene 76-127% 11 70-130X 21 <br />Toluene 76-125X 13 70-130X 21 <br />Lhlorobenzene 75-130X 13 70-130Y. 21 <br />Method 524.2 Spike/Spike Dup licate <br />1,1-D ithloroethene 80-120% 14 <br />Trichloroethene 80-120% 14 <br />Benzene 80-120X 11 <br />Toluene 80-120X 13 <br />Lhlorobenzene 80-120X 13 <br />PESTICIDES AND PCB'S <br />Methods 608/8080 Surrogates <br />Tetrachloro-m-xyl ene 60-150X 60-150X <br />4,4'-Dichlorobi phenyl 60-150Y. 60-150Y. <br />Decachlorohiphenyl 60-150Y. 60-150Y. <br />Method 8140 Surrogates <br />Tri butyl phosphate 36-152% 36-152X <br />Tri phenyl phosphate 36-152X 36-152X <br />Page 1 <br />me anNma raN4 eo•••om o ~mamreVpme mnu~nm m mn remn are Mfw voan in a•m ar.en am ~rorwni me V~o q iee O~anl br vnme e.tlm~.r ana mmiam rvy uu p•u own Ms nan mme Im wMrey roans. Wr a••. a~ in a Agra ume <br />a.nnrw rxraarni w raa wuu e r or wra lyuraro~~aa Cma uomioriae npww.m myn pn were it v rau~eu••uuo~~ e.m aar o rme w or an. rms ana novena o aM~me ame n ie iq o•m~,rm ra, nra[ar mare i~pm or ooliaoianeaa cr <br />am o dae ova o• erna• mrnwu. oweaM +au or nna m mnti.ran •w rn +ncn auto open a uaau m ra~~n umn q ena aue~~+••n near. anm reorn Wn nei n repmuem..n win or .n oen v~u•w me+rin p• amrwy ar (qra uu.ei orna <br />