NYC-WTC_000187612

NYC 9/11 Public Portal Document

10/17/2001 10:50 6314676905 PEDNEAULT ASSOCIATES PAGE 14

Prepared Exclusively For PEDNEAULTASSOCIATES, INC. 1615 NINTHA^EHUE, BOX2(I5. BOHEkHA. N K 11716 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01100280 Corona , NY 11368 PROJECT ED WORLD TRADE CENTER-5 Boro Sampling (718) 595-4630 MATRIX; AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE lO/13/O: 5:00 PM 10/13/01 11:40:00 PM 10/16/01 10/16/01 .

SAMPLE ORIGIN TRIP BLANKS SAMPLE ID#: 0110Cl280-007 RESULT UNITS M.DX. METHOD analysis DATE

Dichlorodifluoromethane ND ppb v/v 0.123 USEPATO-15 10/14/01 Chloromethane ND ppb v/v 0.1037 USEPATO-15 10/14/01 1,2-Dichlorot9trafluoroe<nane ND ppb v/v 0.2886 USEPA TO-1S 10/14/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/14/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/14/01 Chloroethane ND ppb v/v 0,2478 USEPATO-15 10/14/01 Trichlorofluoromethar e ND ppb v/v 0.1839 USEPATO-15 10/14/01 1.1-Dichloroathene ND ppb v/v 0.0799 USEPATO-15 10/14/01 Methylene Chloride ND ppb v/v 0.1909 USEPATO-15 10/14/01 Freon 113 ND ppb v/v 0.161 USEPATO-15 10/14/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/14/01 Methyl-tert-butyl ether NO ppb v/v 0.128 USEPATO-15 10/14/01 ci3-1,2-Dlchloroethene ND ppb v/v 0.1783 USEPATO-15 10/14/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10/14/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-1S 10/14/01 1,1.1-Trichloroethane ND ppb v/v 0.0974 USEPATO-16 10/14/01 Benzene ND ppb v/v 0.1201 USEPATO-15 10/14/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPATO-15 10/14/01 1.2-Dichloropropane ND ppb v/v 0.1138 USEPATO-15 10/14/01 Trichloroethene ND ppb v/v 0.1329 USEPATO-16 J 0/14/0) cls-1,3-Dichloropropene ND ppb v/v 0.0924 USEPATO-15 10/14/01 trans-1,3-Dichloropropi;ne ND ppb v/v 0.1222 USEPATO-15 10/14/01. 1,1,2-T richloroethane ND ppb v/v 0.0896 USEPATO-15 10/14/01 Toluene 0.09 ppb v/v 0.0735 USePATO-15 10/14/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 10/14/01 Tetrachloroethene ND ppb v/v 0.0845 USEPATO-15 10/14/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/14/01 Ethylbenzene ND ppb v/v 0.0744 USEPATO-15 10/14/01

John Pedneault Page 13 of 16 ND^RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MW0E #40075

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NYC-WTC_000187624