NYC-WTC_000187595

NYC 9/11 Public Portal Document

10/10/2001 10:46 6314676905 PEDNEAULT ASSOCIATES PAGE 21

F Prepared E.fclwively For; PEDNEAULTASSOCIATES, INC NYCDEP-Eraergency Response & Tech Assmt. 161 Sf^INTHAVENUE. £0X205. BOHEMIA. HY. H7I6

96-05 Horace Harding Expressway LAB#: 01100168 Corona NY 11368 PROJECT to WORLD TRADE CENTER-5 Bore Sampling (718) .59 5-4650 MATRIX: Al RIGAS I m,p-Xylone 2.63 ppb v/v 0.1785 USEPATO-15 10/8/01 Styrene 0.14 ppb v/v 0.0096 USEPA TO-15 10/8/01 1,1,2,2-Tetrachloroethan £ ND ppb v/v 0.1471 USEPA TC»-15 10/8/01 o-Xylene 0.94 ppb v/v 0.0111 USEPA TO-15 10/8/01 1.3,5-Trlmelhylbenzen9 0.26 ppb v/v 0.0757 USEPA TO-15 10/8/01 1,2.4-Trimethylbenzen e 0.83 ppb v/v 0.1511 USEPA TO-15 10/8/01 1.3-Dichloro benzene ND ppb v/v 0.1564 USEPA TO-15 10/8/01 1.4-Dichlorobenzene ND ppb v/v 0.169 USEPA TO-15 10/8/01 1.2-Dichlorobenzene NO ppb v/v 0.2014 USEPATO-15 10/8/01 1,2.4-T richlorobenzene ND ppb v/v 0.1785 USEPATO-15 10/8/01 Hexachloro-1,3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 10/8/01 Tentatively Identified Cornpacnds 10/8/01 2-Methyl butane 3.19 ppb v/v USEPATO-15 10/8/01 Pentane 0.97 ppb v/v USEPA TO-15 10/8/01 2-Methyl Pentane 1.17 ppb v/v USEPA TO-15 10/8/01

John Pedneault Page 10 of 14 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

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