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�l <br /> COLUMBIA ANALYTICAL SERVICES,INC. <br /> Analytical Report <br /> Client: EMCON Associates Service Request: K947479S <br /> Project: Foothill\#0939-004.08 Date Collected: NA <br /> Sample Matrix: Water Date Received: NA <br /> Date Extracted: 12/5/94 <br /> Base Neutral/Acid Semivolatile Organic Compounds <br /> EPA Methods 3520/8270 <br /> Units: gg/L(ppb) <br /> Sample Name: Method Blank <br /> Lab Code: K941205-WB 1 <br /> Date Analyzed: 12/7/94 <br /> Base Neutral Analyte PQL MDL <br /> N-Nitrosodimethylamine 25 0.2 ND <br /> Aniline 25 4.9 ND <br /> Bis(2-chloroethyl)Ether 10 0.3 ND <br /> 1,2-Dichlorobenzene 10 0.2 ND <br /> 1,3-Dichlorobenzene 10 0.1 ND <br /> 1,4-Dichlorobenzene 10 0.1 ND <br /> Bis(2-chloroisopropyl)Ether 10 0.3 ND <br /> N-Nitrosodi-n-propylamine 10 0.2 ND <br /> Hexachloroethane 10 0.1 ND <br /> Nitrobenzene 10 0.2 ND <br /> Isophorone 10 0.2 ND <br /> Bis(2-chloroethoxy)methane 10 0.2 ND <br /> 1,2,4-Trichlorobenzene 10 0.1 ND <br /> Naphthalene 10 0.2 ND <br /> 4-Chloroaniline 10 3 ND <br /> Hexachlorobutadiene 10 0.3 ND <br /> 2-Methylnaphthalene 10 0.1 ND <br /> Hexachlorocyclopentadiene 10 5.3 ND <br /> 2-Chloronaphthalene 10 0.2 ND <br /> 2-Nitroaniline 25 0.3 ND <br /> Dimethyl Phthalate 10 5.7 ND <br /> Acenaphthylene 10 0.3 ND <br /> 3-Nitroaniline 25 0.9 ND <br /> Acenaphthene 10 0.4 ND <br /> Dibenzofuran 10 0.3 ND <br /> 2,4-Dinitrotoluene 10 0.4 ND <br /> Approved By: Date: /—r A5 <br /> K947479SALS.927OwBNA(2)12 5 <br /> Pegs No.: <br />