NYC-WTC_000203356

NYC 9/11 Public Portal Document

^PEDNEAULTASSOCIATES, INC.

E 16 J 5 NINTH A VENUE. BOX 205 BOHEMIA, N.Y. 11716 Phone: (631) 467-8477 Eax: (631) 467-6905 AMERICA'S TEST LAB! Prepared Exclusively Ear: PED!\EA UL T ASSOCIA TES, INC. NYCDEP-Emergency Response & Tech Assmt. 1615 NINTH AVENUE, BOX 205, BOHEMIA. N.Y. 11716

96-05 Horace Harding Expressway LAB#: 01100508 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE id/287oi 4:10 PM 10/28/01 9.-54;00 PM 10/30/01 10/30/01 SAMPLE ORIGIN BROADWAY AVE & 31st ST., QUEENS SAMPLE ID#: 01100508-001 RESULT UNITS M.D.L. METHOD ANALYSIS DATE Dichlorodifluoromethane 0.66 ppb v/v 0.123 USEPATO-15 10/29/01 Chloromethane 0.81 ppb vN 0.1037 USEPA TO-15 10/29/01 1.2-Dichlorotetrafluoroethane ND ppb v/v 0.2886 USEPATO-15 10/29/01 1 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/29/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/29/'01 Chloroethane ND ppb v/v 0.2478 USEPATO-15 10/29/01 Trichlorofluoromethane 0.19 ppb v/v 0.1839 USEPA TO-15 10/29'01 1,1-Dichloroethene ND ppb v/v 0.0799 USEPATO-15 10/29'01 Methylene chloride ND ppb v/v 0.1909 USEPATO-15 10/29/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/29/01 1,1-Dichloroethane ND ppb v/v 0.1398 USEPA TO-15 10/29/01 Methyl-tert-butyl ether 7.31 ppb v/v 0.128 USEPATO-15 10/29/01 cis-1,2-Dichloroethene ND ppb v/v 0.1783 USEPA TO-15 10/29/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10/29/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/29/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPATO-15 10/29/01 Benzene 2.13 ppb v/v 0.1201 USEPATO-15 10/29/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPATO-15 10/29/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPATO-15 10/29/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 10/29/01 cis-1,3-Dich(oropropene ND ppb v/v 0.0924 USEPATO-15 10/29/01 trans-1,3-Dichloropropene / ND ppb v/v 0.1222 USEPATO-15 10/29/01

John Pedneaulf Page 1 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NTS fELAP #10224 NR=NON REPORTABLE RESULTS MWBE #46075

CITY_21MC100_003071385 NYC-WTC_000203356