NYC-WTC_000209364

NYC 9/11 Public Portal Document ay/YO/yUsJl 14:14 6314676305 PEDNEAULT ASSOCIATES PAGE 13/14

r Prioared Exiliaively For: PEDNEA ULT ASSOCIATES, INC. N.Y.C. D.E.P. HAZMAT DIVISION BOX20S, BOfiSMUA, H.Y. 31716 59.17 JUNCTION BOULEVARD LAB#: 01090183 CORONA NY' 11368 PROJECT ID WORLD TRADE CENTER (718) 595-643) MATRIX: AIR)GAS

OOLLIOTDaTI OAlKKliCEIViiiO RELEASE DATE REPORT DATp 5/15/01 6:00 PM 9/16/01 ' 5>W01,, 9/17/01 SAMPLE ORIGIN TRIPSL.ANKS SAMPli ro*; 01090183-007 RESfoLT UNITS MD.L. METHOD ANALYSE DATE 1 Diehlorodffluoremotbanc ND ppb v/v 0.123 USEPA TO-15 9/17/01 i CnioromethEne ND ppb V/V 0.1037 USEPATO-15 9/17/01 i 1,2-OichlorioletrafiUoroethane ND ppb v/v 0.2886 USEPATO-15 9/17/01 i Vinyl Chloride ——— ND ppb v/v 0.1249 USEPA TO-1& 9/17/01 ; PromoFneihene ND ppb v/v 0.241S USEPA TO 16 9/17/01 j Chicroethane ND ppb v/v 0.2478 USEPATO-16 9/17/01 Trichlorofluoromethane ND ppb v/v 0.1839 USEPA TO15 9/17/01 i 1,1-Dichloroethono ND ppb v/v 0.0799 USEPATO-15 9./17/01 I Methylene chloride MD ppb v/v 0.1909 1 LAPPA Tr-l.'i 9/17/01 Freon "13 MD ppb v/v 0.161 USEPATO-15 9/17/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 9/17/01 cl5-1,2-Ditl tlu(u#0 let its ND ppb v/v 0.1763 USEPATO-15 9/17/01 Chtoroforn ND ppb v/v 0.1681 USEPA TO-15 9/17/01 I 1,2-Dichlorocttian6 ND ppb v/v 0.1688 USEPATO-15 9/17/01 i ■ -" ' -■ ; 1,1,1-Trichlcroethsne ND ppb v/v 0.0974 USEPATO-15 9/17/01 ! Benzano MD ppb v/v 0.1201 USCPATO-15 9/17/01 Carbon Tetrachtofibe ND ppb v/v 0.0922 USEPATO-15 9/;7/01 1,2-Dich!oropfopane ND ppb v/v 0.1138 USEPATO-15 9/i7/01 Trichloroethene ND ppb v/v 0.1329 USEPATO15 9/17/01 ; nin.1,.T.r)ir.hloropropene ND pph vlv 0 09^4 USEPATCK15 9/17/01 1 trans-1,3-Dichloropropene ND ppb 0.1222 USEPATO-15 9/17/01 I 1,1,2-Ttichloroethane ND ppb vl\i 0.0896 USEPATO-15 9/17/01 i Toluene ND ppb v/v 0.0735 UbtPA 10-15 9/17/01 i-------------------------------------- j 1,2-Dibromoethane ND ppb v/v 0.0971 USEPATO.15 9/17/01 i Totrachtaroettiene NO ppb v/v 0.0845 USEPATO-15 9/17/01 ' Gtiiorobenzene ND ppb v.N 0.1343 USEPATO15 9/17/0) ! Cthylbenz^ ppb ’.'/v 0.0744 ND USEPATO-15 9/17/01 ! m.p-Xylens ND ppb v/v 0.1785 USEPATO-16 9/17/01 1 J John Pcdncault Page 13 of 14 Lab Director ND-RESULT IS EQUAL TO OR LESS THAN MPL NTS ElAP #10224 MWBE #46075

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NYC-WTC_000209376