Sample data sheet, NYC WTC testing

NYC 9/11 Public Portal Document

TRIANGLE LABORATORIES, INC. Page 1 Sample Results for Project 56392 01/17/2002 Method MIT3 Analysis (DB-5)

Data File S020226 S020233 S020234 S020235 Sample ID 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 ssssssssxssssss: 5 = = 5=: =

Analytes 2378-TCDD {0.008}J 0.04 B 0.006 JB 0.16 12378-PeCDD (0.005) (0.09) J {0.01} J (0.48} 123478-HxCDD (0.006) 0.09 J 0.007 J 0.29 123678-HxCDD (0.006) 0.18 0.02 J 0.56 123789-HxCDD (0.006) 0.32 0.02 J 0.86 1234678-HpCDD (0.008) 1.3 0.28 2.7 OCDD (0.01) 4.9 2.7 10.9 2378-TCDF 0.01 J 1.4 0.18 B 8.1 E 12378-PeCDF (0.004) {0.25} X (0.03) XJ (1.3) X 23478-PeCDF (0.004) 0.31 0.03 J 1.4 123478-HxCDF (0.004) 0.67 0.05 J 2.5 123678-HxCDF (0.005) 0.28 0.03 J 0.87 234678-HxCDF (0.004) 0.35 0.03 J 1.4 123789-HxCDF (0.005) (0.17) X 0.009 J 0.22 1234678-HpCDF (0.008) 1.4 0.10 J 2.6 1234789-HpCDF (0.009) 0.21 (0.02) J 0.64 OCDF (0.008) 0.95 0.10 J 1.2 TOTAL TCDD (0.01) 13.1 1.3 54.5 E TOTAL PeCDD (0.005) 5.9 0.67 35.2 TOTAL HxCDD {0.02} 5.6 0.37 20.4 TOTAL HpCDD (0.008) 2.8 0.59 6.1 TOTAL TCDF 0.01 8.7 1.0 42.3 E TOTAL PeCDF (0.004) 4.9 0.37 16.0 X TOTAL HxCDF (0.005) 3.1 0.23 8.6 TOTAL HpCDF (0.008) 2.3 0.21 5.2 Other standards Percent Recovery Summary (% Rec) 37C1-TCDD 78.6 74.4 63.3 63.7 Other Standards Percent Recovery Summary (% Rec) 13C12-PeCDF 234 93.8 98.8 82.9 92.5 13C12-HXCDF 478 68.6 55.1 50.4 22.2 V 13C12-HXCDD 478 93.1 58.2 62.4 40.1 13C12-HpCDF 789 106 68.0 63.7 42.6 Other Standards Percent Recovery Summary (% Rec) 13C12-HXCDF 789 91.3 53.4 54.0 37.7 V 13C12-HXCDF 234 93.1 53.0 51.2 36.3 V

Internal Standards Percent Recovery Summary (% Rec) 13C12-2378-TCDF 76.0 73.3 57.8 71.8 13C12-2378-TCDD 80.0 76.6 63.5 78.4

Triangle Laboratories, Inc.® 801 Capitola Drive • Durham, North Carolina 27713 Printed: 15:03 01/17/2002 Phone: (919) 544-5729 • Fax: (919) 544-5491 3J

CITY_21MC100_003110411

NYC-WTC_000186308