NYC-WTC_000203356

NYC 9/11 Public Portal Document

r Prepared Exclusively For: PEDNEAULTASSOCIATES, INC. 1615 NINTH AVENUE, BOX 205, BOHEMIA, N.Y. 11716 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01100508 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT RATE 10/28/01 7:13 PM 10/28/01 9:54:00 PM 10/30/01 10/30/Cl SAMPLE ORIGIN ATLANTIC AVE. & SMITH ST., BROOKLYN SAMPLE ID#: 01100508-005 RESULT UNITS M.D.L. METHOD ANALYSIS DATE Dichlorodifluoromethane 0.57 ppb v/v 0.123 USEPATO-15 10/29/01

Chloromethane 0.76 ppb v/v 0.1037 USEPATO-15 10/29/01

1,2-Dichlorotetrafluoroethane ND ppb v/v 0.2886 USEPATO-15 10/29/01 Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 10/29/01

Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/29/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/29/01 Trichlorofluoromethane ND ppb v/v 0.1839 USEPATO-15 10/29/01 1,1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 10/29/01

Methylene chloride ND ppb v/v 0.1909 USEPATO-15 10/29/01 Freon 113 ND ppb v/v 0.161 USEPATO-15 10/29/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/29/01 Methyl-tert-butyl ether 0.85 ppb v/v 0.128 USEPA TO-15 10/29/01 cis-1.2-Dichloroethene ND ppb v/v 0.1783 USEPATO-15 10/29/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10/29/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPATO-15 10/29'01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-15 10/29/01 Benzene 0.24 ppb v/v 0.1201 USEPATO-15 10/29/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPATO-15 10/29/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPATO-15 10/29/01

Trichloroethene ND ppb v/v 0.1329 USEPATO-15 10/29/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/29'01

trans-1,3-Dichloropropene ND ppb v/v 0.1222 USEPATO-15 10/29'01 1,1,2-T richloroethane ND ppb v/v 0.0896 USEPATO-15 10/29'01 Toluene 0.45 ppb v/v 0.0735 USEPA TO-15 10/29/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPATO-15 10/29/01 Tetrachloroethene ND ppb v/v 0.0845 USEPATO-15 10/29/01

Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/29/01

Ethylbenzene ND ppb v/v 0.0744 USEPATO-15 10/29/01

John Pedneault Page 9 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 NR=NON REPORTABLE RESULTS MWBE #46075

CITY_21MC100_003071393 NYC-WTC_000203364