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

NYC 9/11 Public Portal Document

10/22/2001 l/:0ti 63;L4676905 PEDNEAULT ASSOCIATES PAGE 10

r Prepared Sxclusivel)' Por; PEDNBAULTASSOCIATES, TNC NYCDEP-Emergency Response & Tech Assint. 1615 N/fURAVENUE, BOX205. EUHEMJA. NY 11716 96-05 Horace Harding Expressway LAB#; 01100399 Corona , NY 1136S PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE 10/19/0: 8:07 PM 10/19/01 9:50:00 PM .10/22/01 10/22/01 SAMPLE ORIGIN ATLANTIC AVE. & SMITH ST., BROOKLYN SAMPLE ID#: 011 00399-005 RJESULT VNHS M.D.L. METHOD ANALYSISDATE Dichlorodifluoromethane 0.96 ppb v/v 0,123 USEPA TO-15 10/21/01 Chloromothane 0.86 ppb v/v 0.1037 USEPA TO-15 10/21/01 1,2-Dichlorotetrafluoro ethane ND ppb v/v 0.2886 USEPA TO-15 10/21/01 Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 10/21/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 10/21/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/21/01 T richlorofluoromethane 0.32 ppb v/v 0,1839 USEPA TO-15 10/21/01 1.1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 10/21/01 Methylene chloride ND ppb v/v 0.1909 USEPA TO-15 10/21/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 10/21/01 1,1-Dlchloroethane ND ppb v/v 0.1398 USEPA TO-15 10/21/01 Methyl-tert-butyl ether 2.90 ppb v/v 0.128 USEPA TO-15 10/21/01 cis-1,2-Dichloroethene ND ppb v/v 0.1763 USEPA TO-15 10/21/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 10/21/01 1,2-Dichloroethane ND ppb v/v 0.1686 USEPA TO-15 10/21/01 1,1,1-Trlchloroethane ND ppb vly 0.0974 USEPA TO-15 10/21/01 Benzene 1.03 ppb v/v 0.1201 USEPA TO-15 10/21/01 Carbon Tetrachloride ND ppb v/v 0.0922 USEPA TO-15 10/21/01 1,2-Dichlaropropane ND ppb v/v 0.1138 USEPA TO-15 10/21/01 Tri chloroethene ND ppb v/v 0.1329 USEPA TO-15 10/21/01 cis-1,3-Dlchloropropone ND ppb V/v 0.0924 USEPA TO-15 10/21/01 trans-1,3-Dichloropropene ND ppb v/v 0.1222 USEPA TO-15 10/21/01 1.1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 10/21/01 Toluene 3.72 ppb v/v 0.0735 USEPA TO-15 10/21/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 10/21/01 Tetrachloroethene 0.15 ppb v/v 0.0845 USEPA TO-15 10/21/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/21/01 Ethylbenzene 0.42 ppb v/v 0.0744 USEPA TO-15 10/21/01

John Pedneault F’age 9 of 16 Nll>=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

CITY_21MC100_011107338

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