NYC-WTC_000187239

NYC 9/11 Public Portal Document

10/16/2001 14:48 631<567b905 PEDNEAULT ASSOCIAIEE HAUL id

r Prepared £xclujlvely For PEDNEAULTASSOCLiTES, LNC NYCDEP-Emergcncy Response & Tech Assmt. 16/S WNTHAfENUS:. BOX20S. BOffEMA. PT. 1171C 96-05 Horace Harding Expressway LAB#: 01100281 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 10/14/0: 8:00 PM 10/14/01 9:45:00 PM 10/16/01 10/16/01

SAMPLE ORIGIN ATLANTIC AVE. & SMITH ST., BROOKLYN SAMPLE ID#: 01100281 -005 RESULT UNITS MJ).L METHOD ANALYSISDATE Dichlorodifluoromethane 1.13 ppb v/v 0.123 USEPA TO-15 10/15/01 Chloromethane 1.25 ppb v/v 0.1037 USEPA TO-15 10/15/01 1,2-Dlchlorotetranuoroethane ND ppb v/v 0.2886 USEPA TO-15 10/15/01 Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 10/15/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/15/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/15/01 Trichlorofluoromelhane 0.53 ppb v/v 0.1839 USEPA TO-15 10/15/01 1,1 -Dlchloroefhene ND ppb v/v 0.0799 USEPA TO-15 10/15/01 Methylene chloride ND ppb v/v 0.1909 USEPATO-16 10/15/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/15/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPA TO-15 10/15/01 Methyl-tert-butyl ether 8.60 ppb v/v 0.128 USEPA TO-15 10/15/01 c«s-1,2-Dichloroethene ND ppb v/v 0.1783 USEPA TO-15 10/15/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/15/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/15/01

1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPATO-1S 10/15/01 Benzene ND ppb v/v 0.1201 USEPA TO-15 10/15/01 Carbon Tetrachloride 3,62 ppb v/v 0.0922 USEPA TO-15 10/15/01 1.2-Dichloropropane 0.14 ppb v/v 0.1138 USEPA TO-15 10/15/01 Trtchloroefhene ND ppb v/v 0.1329 USEPA TO-15 10/15/01 cls-1.3-OichlorQpropene ND ppb v/v 0.0924 USEPA TO-15 10/15/01

trans-1,3-Dlchloropropene ND ppb v/v 0,1222 USEPA TO-15 10/15/01

1.1,2-Trichloro6thane ND ppb vN 0.0896 USEPA TO-15 10/15/01 Toluene 6.72 ppb v/v 0.0735 USEPA TO-15 10/15/01 1,2-Dlbromoethane ND ppb v/v 0.0971 USEPA TO-15 10/15/01

Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/15/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/15/01 Ethytbenzena 1.19 ppb v/v 0.0744 USEPA TO-15 10/15/01

John Pedneault Page 9 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NVS El AP #10224 MWBE #46075

CITY_21MC100_002966094

NYC-WTC_000187247