NYC-WTC_000187595

NYC 9/11 Public Portal Document

10/10/2001 10:46 6314676905 PEDNEAULT ASSOCIATES PAGE 18

Pnpared £jcl<.iSiveU Lor: PEDNEAULTASSOCIATES, INC NYCDEP-Emergency Response & Tech Assmt. 16JS BOX20S, A'.Z !}71<S

96-05 Horace Harding Expressway LAB#: 01100168 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718) 595-4650 MATRIX: AIRIGAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE 10/7/01 8;4OPM 10/8/0) 12:25:00 AM 10/9/01 10/9/01 SAMPLE ORIGIN BERRY ST. & NORTH 1 tth ST, BROOKLYN SAMPLE ID#; 01100168-004 RESULT UNITS M.D.L. method ANALYSIS DATE DIchlorodlfluoromethariG 0.63 ppb v/v 0.123 USEPA TO-1S 10/8/01 Chloromethane 0,77 ppb v/v 0.1037 USEPA TO-15 10/8/01 1.2-Dichlorof0(rafluoroi3t(-ane ND ppb v/v 0.2886 USEPATO-15 10/8/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/8/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/8/01 Chloroethane ND ppb v/v 0.2478 USEPATO-15 10/8/01 T richlonofluoromethane 0.24 ppb v/v 0.1839 USEPATO-15 10/8/01 1,1-Dichloroethene ND ppb v/v 0.0799 USEPATO-15 10/8/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/8/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/8/01 1,1-Dich(oroethane ND ppbv/v 0.1398 USEPATO-15 10/8/01 Methyl-tert-butyl ether 0.57 ppb v/v 0.128 USEPATO-15 10/8/01 cis-1,2-DichloroBth0ne ND ppb v/v 0.1783 USEPA TO-15 lO/S/01 Chloroform ND ppbv/v 0.1681 USEPATO-15 10/8/01 ; 1,2-Dichloro0than0 ND ppb v/v 0.1688 USEPA TO-15 10/8/01 1.1,1-Trlchloroethane ND ppb v/v 0.0974 USEPATO-15 10/8/01 Benzene 0.16 ppbv/v 0.1201 USEPA TO-15 10/8/01 Carbon Tetrachloride 0.11 ppb v/v 0.0922 USEPA TO-15 10/8/01 1,2-Dlchloropropane ND ppbv/v 0.1138 USEPATO-15 10/8/01 Trichloroethene ND ppbv/v 0.1329 USEPA TO-15 10/8/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/8/01 trans-1,3-Dlchloropropene ND ppbv/v 0.1222 USEPA TO-15 10/8/01 1.1,2-Trichloroethane ND ppb v/v 0.0896 USEPATO-15 10/8/01 Toluene 0.36 ppbv/v 0.0735 USEPATO-15 10/8/01 1,2-Dlbromoethane ND ppb v/v 0.0971 USEPATO-15 10/8/01 Tetrachloroethene. ND ppb v/v 0.0845 USEPA TO-15 10/8/01 Chlorobenzene ND ppbv/v 0.1343 USEPATO-15 10/8/01 Ethylbenzene ND ppb v/v 0.0744 USEPATO-15 10/8/01

John Pedneault Page 7 of 14 ND=RESULT IS EQUAL TO OR LESS THAN MOL Lab Director NYS ELAP #10224 MWBE *146075

CITY_21MC100_002968757

NYC-WTC_000187601