NYC-WTC_000187542

NYC 9/11 Public Portal Document 09/20/2801 14:82 6314676985 PEDNEAULT ASSOCIATES PAGE 06/13

F.xclimively For, PEDNEAULT ASSOCIATES, INC. N.Y.C. D.E.P. HAZMAT DIVISION 1615 NJKJ7iAVt:}fUE.£OXm BOHSM/A, H.Y. 11716

59-n JUNCTION BOULEVARD LAB^; 01090180 CORONxK NY 11368 PROJECT TD WORLD ^RADE CENTER (7:8) 595-6431 MATRIX: AIRIGAS

COLLECT DATE DATE RECEIV ED RTLIASEDATE KETORtDAIE 9'14/01 5:08 PM 9/14/01 . 9/15/01 9/1,5/01 SAMPLE ORIGIN CENTRAL PARK N. & LENOX, MANHATTAN SAMPLE ID#: 010 90180-003 RESULT UNITS M.DX. method ANALYSIS DATE ! Dicblorodifluoromethane 1.62 ppb v/v 0.123 USEPATO-I5 9/15/01 ------- - i Chloromethenc 1.87 ppb v/v 0.1037 USEPATO-15 9/15/01 ! 1,2-Dichloroletrafluorpethane ND ppb v/v 0.2886 U$EPATO-15 9/15/01 I Vinyl Chloride ppb v/v 0.1249 USEPATO-15 9/15/01 ND BromomBthane ND ppb v/v 0.2410 U3EPATO-15 9/15/01 Chloroethan# Nn ppb VN 0.2478 USEPATO-15 9/15/01 I

I Tricfilorafuoromethane 0.48 ppb v/v 0.1839 USEPATO-15 9/15/01 ! 1,1-DichloroBtli(jn6 ND ppb v/v 0.0798 USEPATO-15 9/15/01 I Menyiene cnioride ND ppb v/v 0.1608 USEPATO-15 P/15/01 i Freon 113 ND ppb v/v 0,161 USEPATO-15 9/15'01 i 1,1-Dichloroethar’s ND ppb v/v 0.1398 USEPATO-15 9/15/01 ! cis-t,2-Dichloroethen(j ND ppb v/v 0.1783 UStPA 10-10 9/15/01 ! Clilviufuiin ND ppb v/v niRB1 ll.SFPA TO.15 9/1.5/01 ! 1,2-DicbloroBthane ND ppb v/v 0.1688 USEPA TO-15 9/15/01 I------------------- ------------ ' 1,1,1-Trichloro0thane ND ppb v/v 0.0974 USEPATO-15 9/15/01 J Benzene 0.91 ppb v/v 0.1201 USEPA TO-13 9/15/01 ; Carbon Tetrachloride 0.10 ppb v/v 0.0922 USEPATO-15 9/15/01 1,2-Dicliloropropane ND ppb v/v 0.1138 USEPA TO-15 9/15/01 I Trlchloroethene . ND ppb v/v 0.1329 USEPATO-15 9/15/01 ; cis-1,3-Dichloroprope le ND ppb v/v 0.0924 USEPATO-15 9'15/01 trans-1 .^-Oii'LiIrmpropfinB ND ppb v/v 0,1222 USEPA TO-15 9/15/01 j 1,1.2-rrichloroefhane ND ppb v/v 0.0896 USEPA TCi-15 9/15/01 f.. --------------- Toluene 2.65 ppb v/v 0.0735 USEPATO-15 9/15/01 1,2-Dloromoethane ND ppb v/v 0.0971 USEPATO-15 9/15/01 ! Tetrachlcrosthene 0.13 ppb vAz 0,0845 USEPATO-15 9/15/01 i Chlorobenzene ND ppb vAz 0.1343 USEPA TO.15 9/15/01 Ethylbenzene 0.49 ppb v/v 0,0744 USEPA TO- : 3 9/13/01 m,p Xylono 1.31 ppb v/v 0,1785 USEPA TO-15 9/15/01

John Padneault Pogc 6 of 12 ND-RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NTS EtAP #10224 MWBE M5O75

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