NYC-WTC_000187581

NYC 9/11 Public Portal Document

10/04/2001 17:20 631467&g05 PEDNEAULT ASSOCIATES HASE 22

I J Ifepared £}:cl,jsively For: PEDNEAULTASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assrat. 161S NINTHArSt^US, BOX20S, BOHEMIA, NY. II7I(

96-05 Horace Harding Expressway LAB#: 01100065 Corona NY H368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE 10/2/01 11:18 PM 10/3/01 1:10:00 AM 10/4/01 10/4/0)

SAMPLE ORIGIN BAY ST & VICTORY BLVD., STATEN ISLAND SAMPLE ID#; 01100065-006 RESULT VNITS WCD-L. METHOD ANALYSIS D^ TE Dichlorodifluoromethane 0.71 ppb v/v 0.123 USEPA TO-15 10/3/01

Chlorometbana 0.55 ppb v/v 0.1037 USEPA TO-15 10/3/01

1,2-DichlorotetrafluoroetPane ND ppb v/v 0.2886 USEPA TO-15 10/3/01

vinyl Chloride ND ppb \ilv 0.1249 USEPA TO-15 10/3/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/3/01

Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/3/01 Trtchlorofluoromethane 0.29 ppb v/v 0.1839 USEPA TO-15 10/3/01

1,1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 10/3/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/3/01

Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/3/01 1,1-Dlchloroethane ND ppb v/v 0.1396 USEPA TO-15 10/3/01

Methyl-tart-butyl ether 11.7 ppb v/v 0.128 USEPA TO-15 10/3/01

cis-1,2-Dichloroothene ND ppb v/v 0.1783 USEPA TO-15 10/3/01

Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/3/01

1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/3/01 1,1,1-Trichloro ethane ND ppb v/v 0,0974 USEPA TO-15 10/3/01 I Benzene 1.79 ppb v/v 0.1201 USEPA TO-15 10/3/01 Carbon Tetrachloride 0.21 ppb v/v 0.0922 USEPA TO-15 10/3/01 1.2-Dlchloroprooene ND ppb v/v 0.1138 USEPA TO-1S 10/3/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 10/3/01

cis-1.3-Dlchloropropene ND ppb v/v 0.0924 USEPA TO-15 10/3/01 trans-1,3-Dichloropropen s ND ppb v/v 0.1222 USEPA TO-15 10/3/01

1,1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 10/3/01

Toluene 8.12 ppb v/v 0.0735 USEPA TO-15 10/3/01 1,2-Dibromoethane ND ppb viv 0.0971 USEPA TO-15 10/3/01 Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/3/01

Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/3/02 Ethylbenzene 1.00 ppb v/v 0.0744 USEPA TO-15 10/3/01

John Pedneault Page 11 of 14 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

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NYC-WTC_000187591