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

NYC 9/11 Public Portal Document

10/25/2001 16:14 6314676905 PEDNEAULT ASSOCIATES PAGE 12

4 J Prepared Exclusively For: PEDNEAULTASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assmt. l6ISWNmAl'EmE, BOX205. BOf/BMA. 2f.Y. 11716 96-05 Horace Harding Expressway LAB#: 01100428 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 IO/22/O; 9:45 PM 10/22/01 11:50:00 PM 10/24/01 lC/24/01 SAMPLE ORIGIN BAY ST & VICTORY BLVD., STATEN ISLAND SAMPLE ID#: 011 00428-006 RESULT UNITS MJJ.L. METHOD ANALYSISDATE Dichlorodifluoromethane 0.50 ppb v/v 0.123 USEPATO-15 10/23/01 Chloromethane 0.53 ppb v/v 0.1037 USEPATO-15 lC/23/01 1,2-Dichlordtetrafluoroethane ND ppb v/v 0.2886 USEPATO-15 lC/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 0.2478 USEPATO-15 10/23/01 T richlorofluoromefharie 0.26 ppb v/v 0.1839 USEPATO-15 10/23/01 1.1-Dichloroethene ND ppb v/v 0.0799 USEPATO-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 1,1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/23/01 Methyl-tert-butyl ether 7,52 ppb v/v 0.128 USEPATO-15 10/23/01 cis-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-Dichloroethane ND ppb v/v 0,1688 USEPATO-15 10/23/01 1,1,1 -Trichloroethane ND ppb v/v 0.0974 USEPATO-15 10/23/01 Benzene 2.70 ppb v/v 0.1201 USEPATO-15 10/23/01 Carbon Tetrachloride 0.11 ppb v/v 0.0922 USEPATO-15 10/23/01 1,2-Dlchloropropane 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-Dlchloroprope ie ND ppb v/v 0.0924 USEPATO-15 10/23/01 trans-1,3-Dichloropropen0 ND ppb v/v 0.1222 USEPATO-15 10/23/01 1,1,2-Trichloroethane ND ppb v/v 0.0896 USEPATO-15 10 <23/01 Toluene 10.7 ppb v/v 0.0735 USEPATO-15 10/23/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPATO-15 1023/01 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 2.43 ppb v/v 0.0744 USEPATO-15 10,'23/01

John Pedneault Page 11 of 16 ND=RESULf IS EQUAL TO OR LESS THAN MDL Lab Director NY£ ELAP #10224 NR=NON REPORTABLE RESULTS MWBE #46075

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