NYC-WTC_000187581

NYC 9/11 Public Portal Document

10/04/2001 17:20 6314676905 PEDNEAULT ASSOCIATES PAGE 12

p PEDNEAULTASSOCIATES, INC. 1615 NINTH AVENUE, BOX 205 BOHEMIA, N.Y. 11716 Phone: (631) 467-8477 Fax: (631) 467-6905 AMERICA ’S TESTLASl Prepared Exclusively For: PEDNEAULTASSOCIATES, INC NYCDEP-Emergency Fte-ponse & Tech Assmt. 161S NINTH AyEPUE, BOX 205. BONEMfA. NY. 0716

96-05 Horace Harding Expressway LAB#: 01100065 Corona NY 11368 PROJECT IB WORLD TRADE CENTER-5 Boro Sampling (718)595-4650 MATRIX: AIRIGAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATI’ 10/2/01 7:50 PM 10/3/01 1:10:00 AM 10/4/01 10/4/01 SAMPLE ORIGIN BROADWAY AVB & 31st ST., QUEEN'S sample ro#; 01100065-001 RESULT UNITS M.D.L. METHOD ANALYSIS DATE Dichlorodifluoromethane 0,96 ppb y/lv 0.123 USEPA TO-15 10/3/01 Chloromethane 0.53 ppb vl\i 0.1037 USEPA TO-15 10/3/01 1,2-Dchlorotetrafluoroe thane ND ppb v/v 0.2606 USEPA TO-15 10/3/01

Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 10/3/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/3/01

Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/3/01 T richlorofluoromethano 0.35 ppb v/v 0.1839 USEPA TO-15 10/3/01

1,1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 10/3/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/3/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/3/01 1,1-Dlchloroethane ND ppb v/v 0.1398 USEPA TO-15 10/3/01 Mothyl-terf-butyl ether 4.37 ppb v/v 0.128 USEPA TO-15 10/3/01

cls-1,2-Dlohloroethene ND ppb v/v 0.1783 USEPA TO-15 10/3/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/3/01

1,2-DichlofO0fhane ND ppb v/v 0.1688 USEPA TO-15 10/3/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-15 10/3/01 Benzene 1.12 ppb v/v 0.1201 USEPA TO-15 10/3/01 Carbon Tetrachloride 0.13 ppb v/v 0.0922 USEPA TO-15 10/3/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 10/3/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 10/3/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 10/3/01 I trans-1,3-Dlchloropropens ND ppb v/v 0.1222 USEPA TO-15 10/3/01

John Pedneault Page 1 of 14 Lab Director ND=RE$ULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE 4-18075

CITY_21MC100_0 02968631

NYC-WTC_000187581