NYC-WTC_000187271

NYC 9/11 Public Portal Document

10/23/2001 15:03 6314676905 PEDNEAULT ASSOCIATES PAGE 16

Prepared Exclusively Ear: PEDNEAVLT ASSOCIATES, INC. NYCDEP-Emcrgency Response & Tech Assint 1615 Af^NUE. BOX20S. BOHEtAfA, lA.r 11716

96-05 Horace Harding Expressway LAB#: 01100404 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (7IS) 595-4650 MATRIX; AIR\GAS

COLLECT DATE DATE RECEIVED RELEASEDATE REPORT pate 10/21/01 6:58 PM 10/21/01 IO;2O;OOAM 10/23/01 10/23/01 SAMPLE ORIGIN BERRY ST. & NORTH 11th ST, BROOKLYN sample HW: 01100404-004 RESULT UNITS M.D.L. METHOD analysis DATE Dichlorodifluoromethane 1.79 ppb vA 0.123 USEPA TO-15 10/22/01 Chloromethano 1.83 ppbv/v 0.1037 USEPA TO-15 10/22/01 1,2-Dtchlorotetrafluoroethane ND ppb v/v 0.2886 USEPA TO-15 10/22/01 Vinyt Chloride ND ppbv/v 0.1249 USEPA TO-15 10/22/01 Bromomethane ND ppbv/v 0.2418 USEPA TO-15 10/22/01 Chloroethane ND ppb v/v 0.2478 USEPATO.1S 10/22/01 Trichlorofluoromethane 0.55 ppb v/v 0.1839 USEPA TO-15 10/22/01 1,1-Dlchloroethene ND ppb v/v 0.0799 USEPA TO-15 10/22/01 Methylene chloride ND ppbv/v 0.1909 USEPA TO-1S 10/22/01 Freon 113 ND ppb yl'/ 0.161 USEPA TO-15 10/22/01 1.1-Dlchloroethane ND ppb v/v 0.139B USEPA TO-15 10/22/01 Methyl-ten-butyl ether 1.72 ppb v/v 0.128 USEPATO-1S 10/22/01 cls-1,2-D(Chloroethene ND ppbv/v 0.1783 USEPA TO-15 10/22/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/22/01 1.2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/22/01 1,1,1-Trlchloroethane ND ppb 'A/M 0.0974 USEPA TO-15 10/22/01 Benzene 0.42 ppbv/v 0.1201 USEPA TO-15 10/22/01 Carbon Tetrachloride 0.11 ppb v/y 0.0922 USEPATO-16 10/22/01 1.2-DichloTopropane ND ppbv/y 0.1138 USEPA TO-15 10/22/01 I Trichleroetheno ND ppb v/v 0,1329 USEPA TO-15 10/22/01 cts-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/22/01 trans-1,3-Dichloropropene ND ppbv/v 0.1222 USEPA TO-15 10/22/01 I 1.1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 10/22/01 Toluene 1.71 ppb vhJ 0.0735 USEPA TO-15 10/22/01 ' 1,2-OibramoethQne ND ppb v/v 0.0971 USEPA TO-15 10/22/01 Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/22/01 ■ Chlorobenzene ND ppbv/v 0,1343 USEPA TO-15 10/22/01 I Ethylbenzene 0.34 ppb v/v 0.0744 USEPA TO-15 10/22/01

John Pedneault Page 7 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWeE #46075

CITY_21MC100_002966272

NYC-WTC_000187277