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

NYC 9/11 Public Portal Document

6314676905 PEDNEAULT ASSOCIATES PAGE 06 11/14/2001 11:24

[ Prepared Exclusively For: PEDNJSAULTASSOCfATES, INC. NYCDEP-Einergency Response & Tech Assmt. 16/i JBOX20i. BOHEMIA, HY /I716 96-05 Horace Harding Expressway LAB#: 01110052 Corona NY 11368 PROJECT IT> WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

r____________ ■ 1,1,2-Trichloroethane! ND ppb v/v 0.0896 USEPA TO-15 1 1/5/01 Toluene 2.15 ppb v/v 0.0735 USEPA TO-15 11/5/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 11/5/01 Tetrachloroethene 0.10 ppb v/v 0.0845 USEPA TO-15 11/5/01 Ctilorobenzene ND ppb v/v 0.1343 USEPA TO-15 11/5/01 Ethylbenzene 0.25 ppb v/v 0.0744 USEPA TO-15 11/5/01 m.p-Xylene 0.83 ppb v/v 0.1785 USEPA TO-15 11/5/01 Styrene ND ppb v/v 0.0896 USEPA TO-15 11/5/01 1,1.2,2-Tetrachloroet)iane ND ppb v/v 0.1471 USEPA TO-15 i:/5/oi 0-Xylene 0.29 ppb v/v 0.0111 USEPA TO-15 11/5/01 1,3,5-Trimethylbenzene 0.09 ppb v/v 0,0757 USEPA TO-15 11/5/01 1,2,4.Trimethylben2ene 0,36 ppb v/v 0.1511 USEPA TO-15 11/5/01 1,3-Dichlorobenzene ND ppb v/v 0.1564 USEPA TO-15 11/5/01

1.4-Dichloroben2ene ND ppb v/v 0.169 USEPA TO-15 11/5/01 1,2-Dichlorobenzene ND ppb v/v 0.2014 USEPA TO-15 11/5/01

1,2,4-Trichlorobenzene ND ppb v/v 0.1785 USEPA TO-15 11/5/01 Hexachloro-1 .S-Butabiene ND ppb v/v 0.1976 USEPA TO-15 11/5/01

Tentatively Identified Compounds USEPA TO-15 11/5/01

2-lvietbyl butane 1.29 ppb v/v USEPA TO-15 11/5/01 Isobutane 0.93 ppb v/v USEPA TO-15 11/5/01

John Pedneault Page 2 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 NR=NON REPORTABLE RESULTS IWWBE #46075

CITY_21MC100_011107684

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