NYC-WTC_000187255

NYC 9/11 Public Portal Document

10/17/2001 15:15 6314676905 PEDhEAULT ASSOCIATES - PAGE 25

•r J Prtpared Exclusively Eo': PEDNEAULTASSOCIATES, INC NYCDEP-Emergency Response & Tcoh Assmt. 1615 WHTHAf'ENUE. 80X205. BOHEWA. N.Y. n7]6 96-05 Horace Harding Expressway LAB#: 01100307 Corona , NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-1650 MATRIX; AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE 10/15A): 3:30 PM 10/15/01 9:45:00 AM 10/17/01 10/17/01 SAMPLE ORIGIN TRIP BLANKS SAMPLE ID#: 01100307-007 RESULT UNITS M.D.L. METHOD analysis DATE

Dichlorodifluoromethane ND ppb v/v 0.123 USEPA TO-15 10/16/01 ChlOFOiTiethane ND ppb v/v 0.1037 USEPA TO-15 10/16/01 12-Oichlorotetrafluoroethane ND ppb v/v 0.2886 USEPA TO-15 10/16/01 Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 10/16/01 Bromomethano ND ppb v/v 0.2416 USEPA TO-15 10/16/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/16/01 Trichlorofluoromethano ND ppb v/v 0.1839 USEPA TO-15 10/16/01 l.l-Olchlonaethene ND ppb v/v 0.0799 USEPA TO-15 10/16/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/16/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/16/01 1,1 -Olchloroethane ND ppb v/v 0.1398 USEPA TO-15 10/16/01 Mothyt-tert-butyf ether ND ppb v/v 0.128 USEPA TO-15 10/16/01 C13-1 ^-Dichloroethene ND ppb v/v 0.1783 USEPA TO-15 10/16/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/16/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/16/01 1.1,1-Trlchloroethane ND ppb v/v 0.0974 USEPA TO-15 10/16/01 Benzene ND ppb v/v 0.1201 USEPA TO-15 10/16/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPA TO-15 10/16/01 1,2-Oichloropropane ND ppb v/v 0.1138 USEPA TO-15 10/16/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 10/16/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/16/01 trans-1.3-Dlchloropropene ND ppb v/v 0.1222 USEPA TO-15 10/16/01 1.1,2-Trichloroethane NO ppb v/v 0.0896 USEPA TO-15 10/16/01 Toluene ND ppb v/v 0.0735 USEPA TO-15 10/16/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 10/16/01 Totrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/16/01 Chlorobenzene ND ppb v/v 0,1343 USEPA TO-15 10/16/01 Ethylbenzene ND ppb v/v 0.0744 USEPA TO-15 10/16/01

John Pedneault Page 13 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

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NYC-WTC_000187267