WTC sample cover sheet, Dec 28 2001

NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept. of Labs & Research Date: 12/31/2001 Time: 11:55:41 Sample: AD31550 Analysis: $524 Volatile Organic Compounds Units: ug Started: 12/28/01 00:07 Ended: 12/28/01 Result source: m:\instruments\206\rrfiles\31450.rr00:07 Analyst: BH Page: 1

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;t {{ Surr - 1,2-DICHLOROETHANE- 5.9 0.5 '•': . ;' Surr - 4-BROMOFLUOROBENZ 4.3 0.5 Dichlorodifluoromethane < MDL 0.5 Chloromethane < MDL 0.5 Vinyl chloride < MDL 0.5 Bromomethane < MDL 0.5 Chloroethane < MDL 0.5 "" Trichlorofluoromethane :~;t•...tt;:t < MDL 0.5 w f 1,1-Dichloroethene < MDL 0.5 Methylene Chloride < MDL 0.5 Methyl tert-butyl ether (MTBE) < MDL 1.0 »r` . trans-1,2-dichloroethene < MDL 0.5 1,1-dichloroethane < MDL 0.5 2 butanone (MEK) < MDL 2.0 y: . ,: 2,2-dichloropropane < MDL 0.5 z ~ ~ cis-1,2-dichloroethene `' r "THM-Chloroform < MDL < MDL 0.5 0.5 1 DBYJ17 BYJ_ 1 Bromochloromethane 1,2-dichloroethane Surr - TOLUENE-D8 < MDL < MDL 4.9 0.5 0.5 0.5 L!L i` 1,1,1- trichloroethane < MDL 0F 1,1-dichloropropene < MDL 0.5 . Carbon tetrachloride < MDL 0.5 Benzene < MDL 0.5 •t L Trichloroethene < MDL 0.5 1,2-dichloropropane < MDL 0.5 `::.; :? Dibromomethane < MDL 0.5 i "THM Bromodichloromethane < MDL 0.5 `:̀t• .; Methyl iso-butyl ketone (MIBK) < MDL 1.0 cis-1,3-dichloropropene < MDL 0.5 < € : Toluene < MDL 0.5 : I trans-1,3-dichloropropene < MDL 0.5 1,l,2-trichloroethane < MDL 0.5 Tetrachloroethene < MDL 0.5 1,3 dichloropropane < MDL 0.5 ... t ' "THMDibromochloromethane < MDL 2,0 Chlorobenzene < MDL 0.5 1,1,1,2-tetrachloroethane < MDL 0.5 Ethylbenzene < MDL 0.5 • P & M-xylene < MDL 0.5 O-xylene < MDL 0.5 Styrene < MDL 0.5 .°.' 1,1,2,2-tetrachloroethane < MDL 0.5 SMP "THM-Bromoform < MDL 2,0 >-> b Isopropylbenzene < MDL 0.5 1,2,3-trichloropropane < MDL 0.5 ~•<?•>. N-ProPY(benzene < MDL 0.5 Bromobenzene < MDL 0.5

NYC-WTC 000002794