Sample data sheet, NYC WTC testing

NYC 9/11 Public Portal Document

TRIANGLE LABORATORIES. INC. Page 7 Sample Results for Project 56392 01/17/2002 Method MIT3 Analysis (DB-5) SSSSSSSSSS: ======================================== Data File SO20237 Sample ID TLI LCSD

Units ng Extraction Date 01/14/2002 Analysis Date 01/16/2002 Instrument S Matrix GAUZE Extraction Type ssssss=s = ss3; = ss: = = = ==s=s=s==s

Analytes 2378-TCDD 0.38 12378-PeCDD 1.7 123478-HxCDD 2.0 123678-HxCDD 2.0 1237B9-HXCDD 2.0 123467B-HpCDD 1.9 OCDD 4.3 2378-TCDF 0.41 12378-PeCDF 2.0 23478-PeCDF 2.0 123478-HxCDF 1.7 123678-HxCDF 1.9 234678-HxCDF 2.1 123789-HxCDF 2.1 1234678-HpCDF 2.2 1234789-HpCDF 2.6 OCDF 3.5 other Standards Percent Recovery Siurenary (% Rec) 37C1-TCDD 65.5

Other Standards Percent Recovery Summary (% Rec) 13C12-PeCDF 234 74.0 13C12-HXCDP 47B 60.8 13C12-HXCDD 478 80.2 13C12-HpCDF 789 85.2 Other Standards Percent Recovery Summary (% Rec) 13C12-HXCDF 789 69.7 13C12-HXCDF 234 70.9

Internal Standards Percent Recovery Summary (% Rec) 13012-237 8-TCDF 57.5 13C12-2378-TCDD 67.0 13C12-PeCDF 123 67.4 13C12-PeCDD 123 86.1 13C12-HXCDF 678 69.5 13012-HxCDD 678 86.1 13C12-HpCDF 678 56.2 13C12-HPCDD 678 104 13C12-0CDD 107 =======================================================================55=============

{Estimated Maximum Possible Concentration), (Detection Limit).

Triangle Laboratories, Inc.® 801 Capitola Drive • Durham, North Carolina 27713 Printed: 15:03 01/17/2002 Phone: (919) 544-5729 • Fax: (919) 544-5491 37

CITY_21MC100_003110417

NYC-WTC_000186314