NYC-WTC_000187255

NYC 9/11 Public Portal Document

10/17/2001 15:15 6314676905 PED^eAULT ASSOCIATES HAbt Iy

] Prepared Exclusively For: PEDNEAULTASSOCIATES, INC, NYCDEP-Emergency Response & Tech Assmt. ISO NINTHArEPUE. BOX20S. BOHEMIA. N.Y. 11716 96-05 Horace Harding Expressway LAB#; 01100307 Corona NY 11368 PROJECT IP WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS I COLLECT DATE DATE RECEIVED RELEASE DATE REPOKT DATE lO/15/O; 7:15 PM 10/15/01 9:45:00 AM 10/17/01 10/17/01

sample origin berry st. & north 11 th ST, BROOKLYN SAMPLE ro#: 01100307-004 RESULT UNITS M.D.L. METHOD ANALYSIS DATE DichlorodifluoromethanG 1.36 ppb v/v 0.123 USEPA TO-15 10/16/01 Chloromethane 1.69 ppb v/v 0.1037 USEPA TO-15 10/16/01 1,2-Oich(oro(9trafluoroGthane ND ppb v/v 0.2886 USEPA TO-15 10/16/01 Vinyl Chloride ND ppb vAr 0.1249 USEPA TO-16 10/16/01 Bromomethane ND ppb v/v 0.2418 USEPA TO.15 10/16/01 Chloroefhane ND ppb v/v 0.2478 USEPA TO-15 10/16/01 Trichlorofluoromethane 0.65 ppb v/v 0.1839 USEPA TO-15 10/16/01 1 .l-Oichloroethene ND ppb v/v 0.0799 USEPA TO-15 10/16/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/16/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/16/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPA TO-15 10/16/01 Methyl-tert-butyl ether 1.42 ppb v/v 0.128 USEPA TO-15 10/16/01 cis-1.2-Dichloroethene ND ppb v/v 0.1783 USEPA TO-15 10/16/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/16/01 1,2-Oichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/16/01 1,1,1-TrichlorQethane 0.12 ppb v/v 0.0974 USEPA TO-15 10/16/01 Benzene 0.47 ppb v/v 0.1201 USEPA TO-16 10/16/01 Carbon Tetrachloride 0.12 ppb v/v 0.0922 USEPA TO-15 10/16/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 10/16/01 Trichloroathene ND ppb v/v 0.1329 USEPA TO-15 10/16/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/16/01 trans-1.3-DichIoropropene NO ppb v/v 0,1222 USEPA TO-15 10/16/01 1,1.2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 10/16/01 Toluene 2.24 ppb v/v 0.0735 USEPA TO-15 10/16/01 1.2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 10/16/01 T etrachloroethens ND ppb v/v 0.0845 USEPA TO-15 10/16/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/16/01 Ethylbenzene 0.26 ppb v/v 0.0744 USEPA TO-15 lO/16/Ot

John Pedneault Page 7 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE W6075

CITY_21MC100_0 02966120

NYC-WTC_000187261