Air sample lab report, Broadway and 31st St, Oct 2001

NYC 9/11 Public Portal Document

10/22/2001 17:08 6324676805 PEDNEflULT ftSSOCIATES EASE 04

r 1 Prepared Exclusive/y For: JPEDIVEAULTASSOCIATES, /NC NYCDEP-Emergencj’ Response & Tech Assmt. I615Nff<rrifA('£NUE, BOX20S, BOREMA. ff.Y. 11716 96-05 Horace Harding Expressway LAB#: 01100399 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 10/19/0: 6:00 PM 10/19/01 9:50:00 PM 10/22/01 10.12/01 SAMPLE ORIGIN 13 Sth St. & 3rd AVENUE. BRONX SAMPLE ID#: 01100399-002 RESULT UNHS MD.L. METHOD analysis date OictilorodifluoromethanG 0.58 ppb vA 0.123 USEPATO-15 10/21/01 Chtoromethane 0.75 ppb v/v 0.1037 USEPATO-15 10/21/01 1,2-Dichlorotetrafluoroethane ND ppb v/v 0.2886 USEPATO-15 10/21/01 Vinyl Chloride ND ppb vA 0.1249 USEPATO-15 10/21/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/21/01 Chloroethane ND ppb v/v 0.2478 USEPATO-15 10/21/01 Trichlorofluoromethane ND ppb v/v 0.1839 USEPATO-15 10/21/01 1,1-Diohloroe<hene ND ppb v/v 0.0799 USEPATO-15 10/21/01 Methylene chloride ND ppb v/v 0.1909 USEPATO-15 10/21/01 Freon 113 ND ppb vA 0.161 USEPATO-15 10/21/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPA TO-15 10/21/01 Methyl-tert-butyl ether 3.88 ppb v/v 0.128 USEPATO-15 10/21/01 ■ cis-1,2-Dlchloroethene ND ppb v/v 0.1783 USEPATO-15 10/21/01 Chloroform ND ppb vA 0.1681 USEPATO-15 10/21/01 1,2-Dichtoroethane ND ppb v/v 0.1688 USEPATO-15 10/21/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPATO-15 10/21/01 Benzene 1.69 ppb v/v 0.1201 USEPA TO-15 10/21/01 Carbon Tetrachloride 0.12 ppb v/v 0.0922 USEPATO-15 10/21/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 10/21/01 : Trichloroethene ND ppb v/v 0.1329 USEPATO-15 10/21/01 Cls-1,3-Dichloroproptine ND ppb v/v 0.0924 USEPA TO-15 10/21/01 Irans-1,3-Dichloropropene ND ppb vA 0.1222 USEPA TO-15 10/21/01 1,1.2-TrichloroGthane ND ppb v/v 0.0896 USEPA TO-15 10/21/0) Toluene 4.19 ppb v/v 0.0735 USEPATO-15 10/21/01 1,2-Dibromoethane ND ppbvA 0.0971 USEPA TO-15 10/21/01 Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/21/0) Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/21/01 Ethylbenzene 0.60 ppb vA 0.0744 USEPATO-15 10/21/01

John Pedneault Page 3 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

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