NYC-WTC_000187542

NYC 9/11 Public Portal Document 09/20/2001 14:02 6314676905 PEDNEAULT ASSOCIATES

r Fi KpL'j td ZxditSivtly Xor; PSDNEALTTASSOCIATES,/NC 1615 fTlNTHAYSfiUE, SOX2O5, BOHEMU. H-Y 11716 N.Y.C. D.E.P. HAZMAT DIVISION 59-17 JUb,TITION BOULEX'ARD LAB#: 01090180 CORONA N-Y 11368 PROJECT ID WORI n TRADE CENTER (718) ;'95-643) MATRIX; AIR\OAS

t——— USEPA TO-1S 9/15/01 4 Toluene 4.37 ppb v/v 0.0735 1.2-Dibroinoethsine ND ppb v/v 0.0G71 USEPATO-15 9/15/01 I Totraohiorosthpne .5.63 ppb v/v 0.0845 USEPATO-15 9/15/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 943/01 Ethylbenzene 1.17 ppb V/V 0.0744 USEPA TO-15 9/13/01 m.p-.Xyiene 3.87 ppb v/v 0.1785 USEPA Tn.1S 9/15/01 ' Sty'ene ND ppb v/v 0.0896 USEPATO-15 9'15/01 I 1,1,2,2-TetrachloroethanB ND ppb v/v 0.1471 USEPATO-15 9.15/01 i o-Xylene 1.75 ppb v/v 0.U111 UbbHATO.15 9/15,^01 ! t.S.O-Tiimethylbenjzene 1.18 pph v/v 0.0757 USEPA TO-15 9/15/01 ! 1,2.4-Trimethy)ben::et'ie ND ppb v/v 0,1511 USEPATO-15 9/15/01 ! 1 3-DiGhlornbBrzere ND ppb v/v 0,1564 USEPA TO-1S 9A5/01 j 1 .A-DIchbroberizene ND ppb v/v 0.189 USEPA TO-15 9/15/01 I-------- - --------------------- j 1,2-Dichloroberttene ND ODb v/v 0.2014 USEPATO-15 9/15/01 ‘ 1,2,4-Trichtorobenzene ND ppb v/v 0.1765 USEPATO-15 9/13/01 ; Hexach(cro-'’,3-Bu':ac(iene NO ppb v/v 0.1976 USEPA TO-15 9/15/01 I entativeiy wentifwil Compounas USEPATQ-15 9/15/01 3.3.5-Trirn0thy( heptane 73.6 ppb v/v USEPA TO-15 9/15/01 Methyl-tert-buti'i etner 5.21 ppb v/v 0.128 USEPATO-15 9/15/01 , 2,3,6-Trimethylheptane 46.1 ppb v/v USEPATO-15 9/15/01 J I 2,2-Di))»l!'>yl octane 74.1 ppb v/v USEPATO-15 9/15/01 i i n,r-di-2-oroperiyl urea ppb v/v USEPATO-15 1 105 9/15/01 i 2,6-Dirnethylurdecar9 206 ppb v/v USEPATO-15 9/15/01 S 3,7-D methyl nonane 107 ppo v/v USEPA TO-15 9/15/01 I 2,3,6,7 Totramathylootane 76.9 ppb v/v USEPATO-15 9/15/01

John PedneauK Pwyis 2 of 12 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NTS ELAP #10224 MWBE; #46075

CITY_21MC100_002968097

NYC-WTC_000187543