Sample data sheet, NYC WTC testing

NYC 9/11 Public Portal Document

TRIANGLE LABORATORIES, INC. Page 2 Sample Results for Project 56392 01/17/2002 Method MIT3 Analysis (DB-5) =========== S S S S 5! = S = = = = = = = = = S = = = S = = = XS = S = = s S= = = S S

Data File S020226 SO2O233 S020234 S020235 Sample IDI TLI Blank 603 605 606

Units ng ng ng ng Extraction Date 01/14/2002 01/14/2002 01/14/2002 01/14/2002 Analysis Date 01/16/2002 01/16/2002 01/16/2002 01/16/2002 Instrument S S S S Matrix GAUZE WIPE WIPE WIPE Extraction Type ssssssssssssssssssss Internal Standards Percent Recovery Summary (% Rec) 13C12-PeCDF 123 83.2 91.0 80.4 87,6 13C12-PeCDD 123 98.2 108 89.1 98.4 13C12-HXCDF 678 74.8 55.8 54.3 24.7 V 13C12-HxCDD 678 99.1 58.6 82.7 41.3 13C12-HpCDF 678 61.8 60.9 52.2 19.4 V 13C12-HpCDD 678 121 78.5 80.6 53.2 13C12-OCDD 128 81.9 81.2 51.0

Triangle Laboratories, Inc.® 801 Capitola Drive • Durham, North Carolina 27713 Printed; 15:03 01/17/2002 Phone: (919) 544-5729 • Fax: (919) 544-5491 32

CITY_21MC100_003110412

NYC-WTC_000186309