NYC 9/11 Public Portal Document
09/20/2001 14:27 63146/6905 PEDNEAULI ASSUCIATES PAGE 10/14
Prepared Exclusively For: PEDNEAULT ASSOCIATES, INC.
N.Y.C. D.E.P. HAZMAT DIVISION 1615 NINTH AVENUE, BOX 205. BOHEMIA, N.Y. 11716
59-17 JUNCTION BOULEVARD LAD#: 01090186
CORONA , NY 11368 PROJECT ID WORLD TRADE CENTER
(718) 595-6431
MATRIX: AIRIGAS
Styrene 0.30 ppb v/v 0.0896 USEPA TO-15 9/17/01
1,1,2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPA TO-15 9/17/01
o-Xylene 5.32 ppb v/v 0.0111 USEPA TO-15 9/17/0]
1,3,5- I rimethylbenzene 1.16 ppb v/v 0.0757 USEPA TO-15 9/17/01
1.2,4-Trimethylbenzene 3.01 ppb v/v 0.1511 USEPA TO-15 9/17/01
1,3-Dichlorobenzene ND ppb v/v 0.1564 USEPA TO-15 9/17/01
1,4-Dichiorobenzene ppb v/v 0.189
ND USEPA TO-15 9/17/01
1,2-Dichlorobenzene ND ppb v/v 0.2014 USEPA TO-15 9/17/01
1,2,4-Trichlorobenzene ND ngh v/v 0.1785 USEPA TO 15 9/17/01
Hexachloro-1,3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 9/17/01
Tentatively Identified Compounds 9/17/01
Methyl-ter-butyl ether 72.7 ppb v/v 9/17/01
Pentane 8.77 ppb v/v 9/17/01
2-Methyl-pentane 11.5 ppb v/v 9/17/01
3-Methyl pentane 8.54 ppb v/v 9/17/01
methyl oyolopantano 9.17 ppb v/v 9/17/01
2.2,4,4-Tetramethyl pentane 7.74 ppb v/v 9/17/01
John Pedneault
ND=RESULT IS EQUAL TO OR LESS THAN MDL Page 10 of 14
Lab Director
NYS ELAP #10224
MWBE #460/b
NYC-WTC 000148266
OCR can misread numbers and units. Confirm readings against the page image before using them.