NYC-WTC_000202797

NYC 9/11 Public Portal Document

SUMMARY OF ANAIYTICAL RESULTS W8^3

o r^ The Action Levels lUlati reflect current STL Edison knowledge of the standards and are intended as general guidance lor the user. Please consult spproptialaregulations and cleanup standards for your specific appticatlon. VI

Sample IO GraenwrchStrsel Be-3QHP-SumpPiunp Lit Sample Number 352812 352813 Sampring Dale C5/28/C2 05/26/02 MaUlx WATER WATER Diluton Factor 1.0 1.0 VJ Units UI ugA 05

VOLATILE COMPOUNDS (GC/MS) Benzene Q.3 U 1.3 TsUachloroethene 22 0.2 U Toluane D.2 U 3.4 Elhylbsnzene D.2 U 0.7 XylenefTolai) 0.2 U 34 MTBE 0,3 U 34 ______ Chlorodibuoromethano 1.0 u 65 Total Gonfldenl Cone. VOAs (s) 22 108 Tjtfll Estimaleri Cone. VOA TICs (s) i NA NA

(1) Values listed refiecl the combined standards for the cis and trans Isomers ot 1.3-Dichloropropene. Value is a revision to the Class I lA ground waler quality standanl based upon the Novemlier 18,1936 Safe Drinking Waler Act rnaximum ccnlamlnant level ctianges and the February 5, 1587 polio

Qualifiers > U, ccuppoJnd not delBcled al ihe indicaleit ccnironlraUon. J - Dara "ntJicai^s IhapreBencaafaoomprujrid iiatrnaoti ihEBdenlbkaUonoeiurfa ihaKrauJI laUssIlKn trie quarbilatlnn limJ but yaaier than rwrr Ilia ccncarkiafian given Is sn apprcKunate vafLs. B - 11* analyla ivaerQurri In me laboralory Uofk as'/'allaaftic lanipa. This indicates posslilo teboraloiy cnnlaTiiniriDn of tio <neircninenlal eamptc. p NR - Nrt aralyrfid.

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o 0/4/02 4:41 PM I ___Wake Corrections

NYC-WTC_000202797