NYC-WTC_000187239

NYC 9/11 Public Portal Document

10/16/2001 14:48 6314676905 PEDNEAULI AbbUCifiltb rA<ac. oz

^PEDNEAVLTASSOCIATES, INC.

B 1615NINTHAVENUJE, BOX205 BOHEMIA, N.Y. 11716 Phone: (631) 467-8177 Fax: (631) 467-6905

Prepared Exclusively For- AMEJtlCA'S TEST LAS! PE/)NEAULTASSOCIATES, me. NYCDEP-Emergency Response & Tech Assrot. }<!ISMNTHAVENUE. BOX20S. BOHEMJA. NT 11716 96-05 Horace Harding Expressway LAB#: 01100281 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 10/14/0: 5:30 PM 10/14/01 9:45:00 PM 10/16/01 10/16/GI

SAMPLE ORIGIN BROADWAY AVE & 31st ST.. QUEENS SAMPLE ID#: 01100281-001 RESULT UNITS MD.L. METHOD ANALYSIS DATE Dictilorodifluoroniethane 1.33 ppb v/v 0.123 USEPA TO-15 10/15/01 Chloromethane 1.68 ppb v/v 0.1037 USEPATO-15 10/15/01 1.2-Oichlorotetraftuoroethane ND ppb v/v 0.2686 USEPATO-15 10/15/01 Vinyl Chloride ND ppb yN 0.1249 USEPATO-15 10/15/01 Bromomethane ND ppb y/y 0.2418 USEPATO-15 10/15/01 Chloroethane ND ppb v/v 0.2478 USEPATO-15 10/15/01 Trlchlorofluoromethane 0.63 ppb v/v 0.1839 USEPATO-15 10/15/01 1.1 -Dichloroethene ND ppb v/v 0.0799 USEPATO-15 10/15/01 Methylene chloride NO ppb v/v 0.1909 USEPATO-15 10/15/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/15/01 1.1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/15/01 Methyl-tert-butyl ether 2.33 ppb v/v 0.128 USEPATO-15 10/15/01 cls-1,2-Dichloroethan9 ND ppb v/v 0.1783 USEPA TO-15 10/15/01

Chloroform ND ppb v/v 0.1681 USEPATO-15 10/15/01 1.2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 10/15/01

1,1,1-Trichloroethane 0.10 ppb vN 0.0974 USEPATO-15 10/15/01 Benzene 0.91 ppb v/v 0.1201 USEPATO-15 10/15/01

Carbon Tetrachloride 0.13 ppb v/v 0.0922 USEPATO-15 10/15/01 1,2-Dlchloropropane ND ppb v/v 0.1138 USEPATO-15 10/15/01 Tri chloroethene ND ppb v/v 0.1329 USEPATO-15 10/15/01

cls-1,3-Dichloropropeno ND ppb v/v 0.0924 USEPATO-15 10/15/01 trans-1,3-Dichloropropene ND ppb v/v 0.1222 USEPATO-15 10/15/01

John Pedneault Page 1 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NVS ELAP #10224 MWBE #46075

CITY_21MC100_0 02966086

NYC-WTC_000187239