NYC-WTC_000187430

NYC 9/11 Public Portal Document

05/26/2031 1?:51 S314b7Eg0S PEDNEAULT ASSOCIATES HASt 13

f Prepared Exclusively For. PEDNEAULT ASSOCIATES, INC. NYCDEP-Emersency Response & Tech Assmt. 1(1} fJibirHAyEmE. box20s. bohemia, hy iiiit

96-05 Horace Harding Expressway LAB#: 01090294 Corona NY 11368 PROJECT ID WORLD TRADE CENTER - 5 Boro Air Sampling

(7(8) 595-4650 MATRIX: AIR\GAS

COLLECT DATE DATERECEIVED RELEASE DATE BJEPORTDATB 9/23/01 9:50 PM i 9/24/01 9/25/01 9/25/01

SAMPLE ORIGIN ATLANTIC AVE. & SMITH ST., BRCKIKLYN S AMPLE ID#; 01090294-005 analysis DATE RESULT UNITS M.D.L. method

Diohlorodtfiuororn ethane 0.48 ppb v/v 0.123 USEPATO-15 9/24/01 Chlorometheino 0.80 ppb v/v 0.1037 USEPA TO-15 9/24/01 1,2-DichlorotetrafluoroQthane ND ppb v/v 0.2886 USEPA TO-15 9/24/01

Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 9/24/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 9/24/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 9/24/01 T rlchlorofluoramethane ND ppb v/v 0.1839 USEPATO-15 9/24/01 1,1-Dichloroethene ND ppb v/v 0.0799 USEPATO-15 9/24/01

Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 9/24/01

F reon 113 ND ppb w/v 0.161 USEPA TO-15 9/21/01

1,1-Dictiloroethane ND ppb v/v 0.1398 USEPATO-15 9/24/01

Methyl-iert-b(jtyl ether 9.71 ppb v/v 0.128 USEPATO-15 9/24/01 cis-1,2-Dichloroethene ND ppb v/v 0.1783 USEPATO-15 9/24/01 Ohlorotorm ND ppb v/v 0.1681 USEPATO-15 9/24/01 1,2-DichloroethanQ ND ppb v/v 0.1688 USEPA TO-15 9/24/01 1,1,1-Trlchloroethane ND ppb v/v 0.0974 USEPA TO-15 9/24/01 Benzene 2.78 ppb v/v 0.1201 USEPATO-15 9/24/01 Carbon Tetrachloride 0.11 ppb v/v 0.0922 USEPATO-15 9/24/01 1,2-Dlchloropropane ND ppb v/v 0.1138 USEPATO-15 9/24/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 9/24/01 cl3-1,3-Dichloropropen© ND ppb v/v 0.0924 USEPA TO-15 9/24/01 trans-1,3-Dichloropropene ND ppb v/v 0.1222 USEPA TO-15 9/24/01 1,1,2-TrlchloroethanB ND ppb v/v 0.0896 USEPA TO-15 9/24/01 Toluene 10.0 ppb v/v 0.0735 USEPATO-15 9/24/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPATO-15 9/24/01 Tetrachloroethene 0.16 ppb v/v 0,0845 USEPATO-15 9/24/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 9/24/01 j Ethylbenzsna 2.27 ppb v/v 0.0744 USEPA TO-15 9/24/0!

John Pedneault Page 9 of 14 ND-RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #4eQ7fi

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