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Air sample lab report, Broadway and 31st St, Oct 2001

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Laboratory analysis of air samples collected at Broadway Avenue and 31st Street in Queens on October 22, 2001.

NYC-WTC_000182436–000182451
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NYC 9/11 Public Portal Document 10/25/2001 16:14 6014676305 PEDNEAULT ASSOCIATES PASE 16

•r J prepared Exclusively Her; PEDNEAULTASSOCIATES, INC NYCDEP-Emergency Response & Tech Assmt. 1615NINTHBOX205, BOHEMIA. H.Y. 11716 96-05 Horace Harding Expressway LAB#: 01100428 Corona blY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

COLLECT date DATE RECEIVED RELEASE DATE REPORT DATE 10/22/0: 10/22/01 11:50:00 PM 10/24/01 10/24/01 SAMPLE ORIGIN TOIP BLANKS SAMPLE ID#: 01100428-008 RESULT UNITS M.DX. METHOD analysis date Dichlorodlfluoromethcine ND ppb v/v 0.123 USEPATO-IS 10/23/01 Chloromethane ND ppb v/v 0.1037 USEPATO-15 10/23/01 1,2-Dichlorotetrafluoroethane ND ppb v/v 0.2886 USEPATO-15 10/23/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/23/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/23/01 Chloroethane ND ppb v/v 0.2476 USEPA TO-15 10/23/01 T richlorofluoromelhane ND ppb v/v 0.1839 USEPATO-15 10/23/01 1,1-DlchIoroethene ND ppb v/v 0.0799 USEPA TO-15 10/23/01 Methylene chloride ND ppb v/v 0.1909 USEPATO-15 10/23/01 Freon 113 ND ppb v/v 0.161 USEPATO-15 10/23/01 l.l-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/23/01 Methyl-tert-butyl ether ND ppb v/v 0.128 USEPATO-15 10./23/01 .cls-1.2-Dichloroethene ND ppb v/v 0.1783 USEPATO-15 10/23/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10,23/01 1,2-Dlchloroethane ND ppb v/v 0.1686 USEPA TO-15 10/23/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPATO-15 10,73/01 Benzene ND ppb v/v 0.1201 USEPATO-15 10,73/01 Cartoon Tetrachloride ND ppb v/v 0.0922 USEPA TO-15 10,73/01 1,2-Dlchloroprapane ND ppb v/v 0.1138 USEPATO-15 10,23/01 Trichloroethene ND ppb v/v 0.1329 USEPATO-15 10,23/01 cis-1,3-Dichloro propene ND ppb v/v 0.0924 USEPATO-15 10/23/01 trans-1,3-Dichloroprop ene ND ppb v/v 0.1222 USEPATO-15 10/23/01 1,1,2-TricWorQQthane ND ppb v/v 0.0896 USEPATO-15 10/23/01 Toluene ND ppb v/v 0.0735 USEPATO-15 10/23/01 1,2-Dlbromoathane ND ppb v/v 0.0971 USEPATO-15 10/23/01 Tetrachloroethene ND ppb v/v 0.0845 USEPATO-15 10/23/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/23/01 Ethylbenzene ND ppb v/v 0.0744 USEPA TO-15 10/23/01

John Pedneault Page 15 of 16 N1>=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 NR=NON REPORTABLE RESULTS WWBE #46075

CITY_21MC100_011107395

NYC-WTC_000182450

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NYC-WTC_000182450Source: NYC Law Department, mirrored locally

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