NYC-WTC_000187444

NYC 9/11 Public Portal Document

10/03/2aai 6314876305 PEDNtAU'L.T ASSOCIATES HUGE lb

Prepared Exclusively For: PEDNEAULTASSOCIATES, INC. r6fS\7^mAI1SWE. BOX 205. SOHEMU xr. /1716 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01090387 Corona NY 11 368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE 9/30/01 5:00 PM 9/30/01 11:28:00 AM 10/3/01 10/3/01

SAMPLE ORIGIN TRIP BLANKS Sample n>#: 01090387-007 METHOD RESULT UNITS M.D.L. ANALYSIS DATE Dichlorodifluoromethane ND ppb v/v 0.123 USEPA TO-15 10/2/01 Chloromethane ND ppb v/v 0.1037 USEPA TO-15 10/2/01

I 1,2-Dichlorotetrafluoroethane ND ppb v/v 0.2886 USEPA TO-15 10/2/01

Vinyl Chlonde ND ppb v/v 0.1249 USEPA TO-15 10/2/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/2/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/2/01 Trichlorofluornmethane ND ppb v/v 0.1839 USEPA TO-15 10/2/01 l.l-Dichlaraethene ND ppb v/v 0.0799 USEPA TO-15 10/2/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/2/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/2/01 1,1-Dichloro0than8 ND ppb v/v D.1398 USEPA TO-15 10/2/01 Methyl-tert-butyl ether ND ppb v/v 0.128 USEPA TO-15 10/2/01 cis-1,2-Dichloro0thene ND ppb v/v 0.1783 USEPA TO-15 10/2/01 Chloroform ND ppb v/v 0.1601 USEPA TO-15 10/2/01 1,2-Dlchloroethane ND ppb v/v 0.1688 USEPA TO-15 10/2/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-15 10/2/01 Benzene ND ppb v/v 0.1201 USEPA TO-15 10/2/01 I Carbon Tetrachlohde ND ppb vtv 0.0922 USEPA TO-16 10/2/01 1,2-Dlchloropropane ND ppb v/v 0.1138 USEPA TO-15 10/2/01 Trichloro ethene ND ppb V/v 0.1329 USEPA TO-15 10/2/01 Cis-1,3-Dichloropropene ND ppb v/v 0.0924 JSEPA TO-15 10/2/01 tfans-1,3-Dichloropropene ND ppb v/v 0,1222 USEPA TO-16 10/2/01 1.1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 10/2/01 Toluene ND ppb v/v 0.0735 USEPA TO-15 10/2/01 1,2-Dibromoethan9 ND ppb v/v 0.0971 USEPA TO-1S 10/2/01 Tetrsohloroethena ND ppb viv 0.0845 USEPA TO-15 10/2/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/2/0i i Ethylbenzene ND ppb v/v 0.0744 USEPA TO-15 IO.'2/OI

John Pedneaul? Psge 13 of 14 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS tLAP»10224 MWBE #46075

CrTY_21MC100_002952732 NYC-WTC_000187456