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4 ' <br /> fiICJ//G:lGP,OUNDZE41ULEBUItG/Correspondence/PAH'aowar... <br /> From: Eric Price[eprice@groundzeroanalysis.com] <br /> sent: Wednesday,January 02, 2008 2:54 PM <br /> To: 'cyrus@aetlab.com' <br /> Subject: Analytical Request <br /> Hello, I <br /> f <br /> I have a regulator that is requiring the following list of individual PAHs in groundwater samples: j <br /> Benzo[alpyrene-- <br /> Benzo(alartthreean a— <br /> Senzo[b]fluoranthene-. <br /> Benzomtiuoranthene <br /> Benzo[k]fluoranthene— <br /> Dlbenzo[a,j]acrtdine <br /> Dibenzo[a,h]ecridlne <br /> 7H-dibw=[c,g]carbazole <br /> Dibenzo(a,e]pyrene <br /> Dibenzola,hlpyrene <br /> Dibenzs[e,t]pyrene <br /> Dibenxeis,l]pyrene <br /> Indenol(1,2,3]pyren e <br /> 5-methylehrysene <br /> 1-nitropyrene i <br /> 4-nilropyrene <br /> 1,8-dlNtropyrene <br /> 1,8-dinitropyrene <br /> B-nftrocrysene <br /> 2-nitrofluorene <br /> Chrysene�— <br /> We are also looking for low detection limits as well. The requirement states that the additive non-detect sum <br /> be less than 0.5 ug/L.This would mean we are looking for a detectlon limlt of about 0.03 ug/L. i <br /> Please let me know If this is possible. <br /> Thank you, <br /> Eric L. Price,PG <br /> Ground Zero Analysts, Inc. <br /> 1714 Main Street <br /> Escalon,CA 95320-1927 <br /> (209) 838-OM office <br /> (209) 838-9883 fax <br /> I <br /> I <br /> I of 1 3/14/2008 9:33 AM <br /> .r <br />