NYC-WTC_000187542

NYC 9/11 Public Portal Document 03/20/2061 14:02 6314676905 PEDNEAULl AbbUGlflltb

3 Prepai-tA Feif PEJ)NEA VLTASSOCL4TES, INC. N.Y.C, D.E. P. EAZMAT DIVISION 161S W.VTHA KSWS, SOX iOS. BOffESaA, X. / // VS 59-17 JUNCTION BOULEVARD LAB#: 01090180 CORONA NY 11368 PROJECT W WORLD TRADE CENTER (718) 595-6431 MATRIX: AIRGAS I ___ j Styrene ND ppb v/v 0.0BS6 USEPATO-15 9^15/01 i 1,1,2,2-TetrachlO'O9thane ND ppb v/v 0.1471 USEPATCklS 9/15/01 I o.Xylene 048 ppb v/v 0,0111 USEPA TO-15 . 9/15/01 ’ 1,3,5-Trimethytbeinzene 0.21 ppb v/v 0.0767 USEPA T0-1S 9/15/01 I 1,2,4-Trim0thylb6:n2€ne: 0.72 ppb v/v 0.1511 USEHATO15 9/13/01 1 1,3-DichloroDenzene ND ppb v/v 0 1564 USEPA TO-15 9/15/01 1,4-Dichlorobenzene 0.26 ppb v/v 0.169 USEPA TO-15 9/15/01 1,2-DichiorobenzenG ND ppb v/v 0.2014 USEPA TO-15 9/15/01 j 1,24-Trich’oraber!Z0ie ND ppDVA 0.1785 USEPA TO.1G 9/15/01 ; l lftxacnloro 1,3 EJutodiune ND ppb v/v 0,1978 USEPA TO-15 9/15/01 ! Tentatively Identified Compounos USEPA TO-15 9/15,'01 i MathyPte^-butyl ether 1.47 ppb v/v 0.128 USEPA TO-1.5 9/15/0) I 2,2.4-Trirnetliyl heptane 1,08 ppb v/v USCPA TO-15 9,15'01 2,2,5-Trlrnethyl cenatA 1.72 ppb v/v USEPA TO-15 9/15/01

John Padrsaiilt Pflgft 4 of 12 Lab Director ND=BESULT IS EQU AL TO OR LESS THAN MDL NYS ELAP *10224 MWHt 'MtU/o

CITY_21MC100_002968099

NYC-WTC_000187545