Sample data sheet, NYC WTC testing

NYC 9/11 Public Portal Document

TRIANGLE LABORATORIES, INC. Page 5 Sample Results for Project 56392 01/17/2002 Method MIT3 Analysis (DB-5) = s = ss=: = = =:s == =s= === = =s= =s= =s = ita File WO10209 W010210 W010211 S020236 mple ID 611 612 613 TLI LCS

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 W W W S Matrix WIPE WIPE WIPE GAUZE Extraction Type = sss = = = ss = 3: = ss = : = = = = =; = = = = = = ===:= = Analytes 2378-TCDD (0.01) JB 0.03 B 0.13 B 0.36 12378-PeCDD 0.05 J 0.10 J 0.39 1.7 123478-HxCDD 0.04 J 0.05 J 0.24 1.7 123678-HxCDD (0.06) J 0.11 0.42 1.8 123789-HxCDD 0.11 {0.15] 0.69 1.7 1234678-HpCDD 0.41 0,57 1.9 1.7 OCDD 1.3 3.4 4.0 4.2 2378-TCDF 0.40 1.2 4.9 0.40 12378-PeCDF 0.10 J (0.16) X {0.81} X 1.9 23478-PeCDF 0.12 0.23 0.98 1.9 123478-HxCDF 0.29 0.37 1.7 1.6 123678-HxCDF 0.12 0.13 0.65 1.8 234678-HxCDF 0.11 0.24 0.72 1.9 123789-HxCDF 0.07 J 0.08 J (0.21) X 1.9 1234678-HpCDF 0.38 0.46 2.1 2.2 1234789-HpCDF (0.02) (0.08) J 0.33 2.5 OCDF 0.11 J {0.23) 1.1 3.2 TOTAL TCDD 3.1 6.1 40.0 E TOTAL PeCDD 3.5 5.0 29.5 TOTAL HxCDD 2.8 3.2 17.0 "OTAL HpCDD 0.99 1.3 4.5 OTAL TCDF 2.5 5.4 27.2 TOTAL PeCDF 2.1 2.3 X 14.0 TOTAL HxCDF 1.3 1.3 6.5 TOTAL HpCDF 0.38 0.46 3.1

Ocher Standards Percent Recovery Summary (% Rec) 37C1-TCDD 84.6 62.8 66.8 61.6 Other Standards Percent Recovery Summary (% Rec) 13C12-PeCDF 234 94.1 74.9 78.4 65,1 13C12-HxCDF 478 88.5 38.5 V 60.2 52.7 13C12-HXCDD 478 81.2 57.0 59.3 76.7 13C12-HpCDF 789 74.0 52.7 54.5 65.0 Other Standards Percent Recovery Summary (% Rec) 13C12-HXCDF 789 79.7 56.1 55.0 56.8 13C12-HXCDF 234 86.3 60.1 59.5 59.7 Internal Standards Percent Recovery Summary (% Rec) 13C12-2378-TCDF 80.7 59.9 63.6 54.3 13C12-2378-TCDD 79.8 59.6 63.4 63.6

I riangle Laboratories, Inc.® 601 Capitola Drive • Durham, North Carolina 27713 Printed: 15:03 01/17/2002 Phone: (919) 544-5729 • Fax: (919) 544-5491 35

CITY_21MC100_003110415

NYC-WTC_000186312