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NYC-WTC_000187430

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000187430–000187443
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NYC 9/11 Public Portal Document

e31db7b905 pedneault associates HPiGL 23 0'3/26/2001

L J Prepared Exclusively For: PEDKEAVLT:A^SOCl^TES, INC. HIS Ulirnf AI'EI/UE. BOXiOS. BOHEMIA. N 7 1I7I6 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01090294 Corona NY 11368 PROJECT ID WORLD TRADE CENTER - 5 Boro Air Sampling (718) 595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE date REPORT DATE 9/23/01 5:00 PM 9/24/01 9/25/01 9/25/01 SAMPLE ORItHN TOP blanks sample DO#: 01090294-007 result units M.D.L. METHOD analysisdate

Dichlorodifluoromethane ND ppb v/v 0.123 USEPA TO-15 9/24/01 Chloromethane ND ppb v/v 0.1037 USEPA TO-15 9/24/01

1,2-Dlchlorotetrafluoroethane ND ppb v/v 0.2886 USEPA TO-15 9/24/01

'/inyl Chloride ND ppb v/v 0.1249 USEPA TO-15 9/24/01

Bromomethane ND ppb v/v 0.2418 USEPA TO-15 9/24/01 Chloro ethane ND ppb v/v 0.2478 USEPA TO-15 9/24/01 Trich lorofluo romethano ND ppb v/v 0.1839 USEPA TO-15 9/24/01

1,1 -Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 9/24/01 Methylene chloride ND ppb v/v 0,1909 USEPA TO-15 9/24/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 9/24/01 1,1-Dlchloroethane ND ppb v/v 0.1398 USEPA TO-15 9/24/01 Melhyl-tert-butyl ether ND ppb v/v 0.128 USEPA TO-15 9/24/01 as-1,2-Dlchloroethene ND ppb v/v 0.1783 USEPA TO-15 9/24/01 Chloratorm ND ppb v/v 0.1681 USEPA TO-15 9/24/01 1,2-Dlchloro0thane ND ppb v/v 0.1688 USEPA TO-15 9/24/01 1,1,1-Trlchloroethane ND ppb v/v 0.0974 USEPA TO-15 9/24/01 Benzene ND ppb v/v 0.1201 USEPA TO-15 9/24/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPA TO-15 9/24/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 9/24/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 9/24/01 ds-l ,3-Dlchloropropene ND ppb v/v 0.0924 USEPA TO-15 9/24/01 trans-l ,3-Dichloropropene NO ppb v/v 0.1222 USEPA TO-15 9/24/01 1,1,2-Trlchloroethane ND ppb v/v 0.0896 USEPA TO-15 9/24/01 Toluene ND ppb v/v 0.0735 USEPA TO-15 9/24/01 1.2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 9/24/01 i Tetrachloroetheno ND ppb v/v 0.084S USEPA TO-13 9/24/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 9/24/01 Ethylbenzene ND ppb v/v 0.0744 USEPA TO-15 9/24/0!

John Pedneault Page 13 of 14 ND-RESULT IS EQUAL TO OR LESS THAN MDL L.ab Director NYS FLAP #10224 YVV9E #46075

CITY_21MC100_008914340

NYC-WTC_000187442

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NYC-WTC_000187442Source: NYC Law Department, mirrored locally

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