NYC-WTC_000187612

NYC 9/11 Public Portal Document 10/17/2001 10:50 6314676905 PEDNEAULT ASSOCIATES PAGE 08

r Prepafed E;icls^/vefy Fer: PEDNEAULTASSOCIATES, INC. I6!S 80X205, BOHEMIA, HY. 11716 NYCDEP-Einergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01100280 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718) S95-4650 MATRIX: AIRIGAS

eOLLECTDATE DATE RECEIVED RELEASE DATE REPORT DATE lO/13/O; 8:30 PM 10/13/01 11:40:00 PM , 10/16/01 10/16/01 SAMPLE ORIGIN BERRY ST. & NORTH 11th ST, BROOKLYN SAMPLE ID#: 011 00280-004 RESULT UNITS M.D.L. METHOD analysis date Dichlorodifluoromethane 0.65 ppb v/v 0.123 USEPATO-15 10/14/01 Chloromethane 0.75 ppb0.1037 USEPATO-15 10/14/01 1,2-Dlchlorot0trafluoroe1hene ND ppb v/v 0.2886 USEPATO-15 10/14/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/14/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/14/01 Chloroefhane ND ppb v/v 0.2478 USEPATO-15 10/14/01 Trichlorofluoromethane 0.41 ppb v/v 0.1839 USEPATO-15 10/14/01 1,1-DichloTOethen6 ND ppb v/v 0.0799 USEPATO-15 10/14/01 Methylene chloride nd ppb v/v 0.1909 USEPATO-15 10/14/01 Freon 113 ND ppb vl\i 0.161 USEPATO-15 10/14/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/14/01 Methyl-tert-butyl ether ND ppb v/v 0.120 USEPATO-15 10/14/01 cis-1,2-Oich(oroe(hene ND ppb v/v 0.1783 USEPA TO-15 10/14/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/14/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPATO-15 10/14/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPATO-15 10/14/01 Benzene 0.70 ppb v/v 0.1201 USEPATO-15 10/14/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPATO-15 10/14/01 1,2-Dichloropropane NO ppb v/v 0.1138 USEPATO-15 10/14/01 T richloroethene ND ppb v/v 0.1329 USEPATO-15 10/14/01 cis-1.3-Dichloroprop<5nij ND ppb v/v 0.0924 USEPA TO-15 10/14/01 trans-1 .S-Dichloropropone ND ppb v/v 0.1222 USEPATO-15 10/14/01 1,1,2-Trichloroethane ND ppb v/v 0.0696 USEPATO-15 10/14/01 Toluene 1.94 ppb v/v 0.0735 USEPATO-15 10/14/01 1,2-Djbromoetb3ne ND ppb v/v 0.0971 USEPATO-15 10/14/01 Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/14/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/14/01 [Ethylbenzene 0.25 ppb v/v 0.0744 USEPA TO-15 I0/J4/0I

John Pedneault Page 7 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MW0E #46075

CITY_21MC100_002968885

NYC-WTC_000187618