NYC-WTC_000213019

NYC 9/11 Public Portal Document

1700 Bm Street • Suite 200 Minneapolis. MN 654'4

weAnaIvticar_________ Method 8290 Analysis Results Tel: 612-607-1700 Far 612-

Client • ATC Client’s Sample ID ATC-0427-STY-DX2 Lab Sample IO 103513479 Filename F20524A_12 Injected By MRO Total Amount Extracted 0.17 g Matrix DUST % Moisture NA Dilution NA Dry Weight Extracted NA Collected 04/27/2002 ICAL Date 05/04/2002 Received 05/01/2002 CCal Filename(s) F20524A_01 &F20524A_15 Extracted 05/20/2002 Method Blank ID BLANK-1633 Analyzed 05/24/2002 18:16 Native Cone EMPC LRL Internal ng's Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery 2,3,7.8-TCDF 160 15.0 EA 2,3,7,8-TCDF-13C 2.00 74 Total TCDF 3200 12.0 2.3,7,8-TCDD-13C 2.00 73 1,2,3,7,8-PeCDF-13C 2.00 72 2.3,7,8.TCDD 26 12.0 J 2,3.4,7,8-PeCDF-13C 2,00 73 Total TCDD 3800 12.0 1,2,3,7,8-PeCDD-13C 2.00 78 1,2,3.4.7,8-HxCDF-13C 2,00 69 1.2,3.7,8-PeCDF 150 59.0 E 1,2,3,6,7,8-HxCDF-13C 2.00 79 2,3.4,7,8-PsCDF 200 59.0 J 2.3,4,6.7,8-HxCDF-13C 2,00 78 Total PeCDF 1400 59.0 1,2,3,7,8,9-HxCDF-13C 2.00 57 1,2,3,4,7,a-HxCDD-13C 2.00 87 1,2,3.7,8-PeCDD ND 59.0 1.2.3,6.7.8-HxCDD-13C 2.00 92 Total PeCDD 1500 59.0 1.2,3,4,6,7,8-HpCDF-13C 2.00 64 1.2,3.4,7,8.9-HpCDF-13C 2.00 45 1,2,3,4,7,8-HxCDF 170 59.0 J 1,2,3,4,6,7,8-HpCDD-13C 2.00 44 1,2.3,6,7,8-HxCDF 240 59.0 E OCDD-13C 4.00 45 2.3,4.6,7,8-HxCDF 190 59.0 J 1,2,3,7,8.9-HxCDF ND 59.0 1,2.3,4-TCDD-13C 2.00 NA Total HxCDF 1600 59.0 1,2,3,7,8,9-HxCDD-13C 2.00 NA 1,2,3,4,7.8-HxCDD ND 59.0 2,3,7,8-TCDD-37CI4 0.20 75 1.2.3,6,7,8-HxCDD 110 59.0 J 1,2,3,7,8.9-HxCDD 79 59.0 J Total HxCDD 1900 59,0 1,2.3,4,6,7,8-HpCDF 900 59.0 Total 2.3,7,8-TCDD 1,2,3.4.7,8,9-HpCDF ND 90.0 A Equivalence; 220 ng/Kg Total HpCDF 900 59.0 (Using ITE Factors) 1,2,3.4,6.7,8-HpCDD 1300 59.0 Total HpCDD 3000 59.0 OCDF 1200 120.0 OCDD 12000 120.0 Results reported on a total weight basis LHL a Lower Reporting Limit Cone = Concentration (Totals include s,3,7,8-BulMtltuted isomers) I = Interference EM PC > Efitimatsd Maximum Possible Concentration E c PCDE Interference A » Detection Limit based on slgnal-to-nolsa measurement S = Saturated signal J * Concentration detected Is below ths calibration range NO a Not Detected B c Less than 10 times higher titan method blank level NA s Not Applicable P a Recovery outside ot target range NC = Not Calculated Nn s Value obtained from additional analysis * = See Discussion Report No.... 02-1057132

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent ot Paco Analytical Services. Inc.

CITY_21MC100_002867941

NYC-WTC_000213020