NYC-WTC_000187444

NYC 9/11 Public Portal Document

10/03/2001 b3146 /b9Kb PtDNEAULT AbbUGlATES PAGE 06

r Prepared Exclusively For- PEDNEAULTASSOCIATES. INC. NYCDEP-Emergency Response & Tech Assmt. 1615 Mm-HAVENUE. BOX205. BOHEM.U, N.Y Ji716 96-05 Horace Harding Expressway LAB#: 01090387 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE 9/30/01 7:30 PM 9/30/01 11:28.00 AM 10/3/01 10/3/01 SAMPLE ORIGIN 138th St. & 3rd AVENUE, BRONX SAMPLE ID#: 01090387-002 RESULT UNITS M.D.L. METHOD analysis DATE

Dichlorodifluoromethane 0.63 ppb v/v 0.123 USEPATO-15 10/1/01 ChJoromethane 0.68 ppb \/Iy 0.1037 USEPA TO-15 10/1/01 1,2-Dichlorot9trafluoroethene ND ppb v/v 0.2886 USEPA TO-15 lO/I/Ol Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/1/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/1/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 lO/I/Ol Trichlorofluoromethane 0.22 ppb v/v 0.1839 USEPATO-15 10/1/01

1,1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 lO/l/Ol Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/1/01 Freon 113 ND ppb 'j/'j 0.161 USEPA TO-15 10/1/01 l.l-Dtchloroefhane ND ppb v/v 0.1398 USEPA TO-15 10/1/01 Methyl-tert-butyl ether 1.05 ppb v/v 0.128 USEPA TO-15 lO/I/Ol cis-1.2-Dlchloroethene ND ppb v/v 0.1783 USEPATO-15 10/1/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 lO/l/Ol i 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/1/01 I 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-15 10/1/01 Benzene 0.55 ppb v/v 0.1201 USEPA TO-IS 10/1/01 Carbon Tetrachloride 0.10 ppb v/v 0.0922 USEPA TO-15 10/1/01 ! 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 10/1/01 Trichloroethene ND ppb v/v 0.1329 USEPATO-15 10/1/01 C16-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/1/01 i trans-1,3-Dlchloropropene ND ppb v/v 0.1222 USEPA TO-15 10/1/01 i 1,1,2-Trlchloroethane ND ppb v/v 0.0896 USEPA TO-15 10/1/01 I Toluene 1.37 ppb v/v 0.0735 USEPATO-15 10/1/01 1.2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 10/1/01 I Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/1/01 I Chlorobenzene ND ppb v/v 0.1343 USEPA TO-1.5 10/1/01 Ethylbenzeno 0.23 ppb v/v 0.0744 USEPA TO-1.5 10/1/01

John Pedneault Pape 3 of 14 Lab Director ND=RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE #46075

CITY_21MC100_002952722

NYC-WTC_000187446