NYC-WTC_000187416

NYC 9/11 Public Portal Document

6314&76905 PEDNEAULT ASSOCIATES PAGE 23 09/26/2001 17:39

Prepared Exclusively For: PEDNEAULT ASSOCIATES, INC. NYCDEP-Emergency Response & Tech AssmL ms NINTH AVENUe. BOX20S. BOHEMIA NY 11716.

96-05 Horace Harding Expressway LAB#: 01090292 Corona NY 11368 PROJECT ID WORLD TRADE CENTER - S Boro Air Sampling (718) 595-4650 MATRIX: AIR\GAS

, eOLLECTDATE DATE RECEIVED BEUEASEDAFE REPORT RATE 'iSM21/ai 5;00 PM ■^01: 7 ' ' '9/23/01' 9/23/01 SAMELE GRIGIN TRIP BLANKS 2 iSAMPLEID#i01090292r007 , RESULT UNITS MJJL. METHOD analysis DATE

Dichlofodifluoromeihane ND ppb v/v 0.123 USEPATO-1S 9/22/01 Chloromethane NO ppb v/v 0.1037 USEPATO-15 9/22/01 1,2-Dichlorotatrafluoroethano ND ppb v/v 0.2886 USEPATO-15 9/22/01 Yinyl Chloride ND ppb v/v 0.1249 USEPATO-15 9/22/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 9/22/01 Chloroethane NO ppb v/v 0.2470 USEPATO-15 9/22/01 Trichlorofluoromethana ND ppb v/v 0.1839 USEPATO-15 9/22/01 1,1-Dlchloroethene ND ppb v/v 0.0799 USEPATO-15 9/22/01 Methylene chloride NO ppb v/v 0.1909 USEPATO-15 9/22/01 Freon 113 ND ppbv/v 0.161 USEPATO-15 9/22/01 1,1-Dlchloroethane ND ppb v/v 0.1398 USEPA TO-15 9/22/01 Melhyl-tert-butyl ether ND ppb v/v 0.128 USEPATO-15 9/22/01 cl3-1,2-Oichloroethene ND ppb v/v 0.1783 USEPATO-15 9/22/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 9/22/01 1,2-Dichloroethana ND ppb v/v 0.1688 USEPATO-15 9/22/01 1,1,1 -Trlchloroethane ND ppb v/v 0.0974 USEPATO-15 9/22/01 Benzene ND ppb v/v 0.1201 USEPA TO-15 9/22/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPATO-15 9/22/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPATO-15 9/22/01 T rlchloroethene ND ppb v/v 0,1329 USEPATO-15 9/22/01 cis-1,3-Olchloropropene NO ppb v/v 0.0924 USEPATO-15 9/22/01 trans-1,3-Dlchloropropene ND ppb v/v 0.1222 USEPATO-15 9/22/01 1,1.2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-1S 9/22/01 Toluene ND ppb v/v 0.0735 USEPA TO-15 9/22/01 1,2-Dibromoethane ND ppb v/w 0.0971 USEPATO-15 9/22/01 Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-1S 9/22/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 9/22/01 Ethylbenzene ND ppb v/v 0.0744 USEPA TO-15 9/22/01

John Pedneautt Page 13 o114 Lab Director ND-RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE #46075

CITY_21MC100_002952575

NYC-WTC_000187428