NYC-WTC_000213019

NYC 9/11 Public Portal Document

1700 Eim Street • Suite 200 Minneapolis. MN 55414

^ceAnalvticar_________ Method 8290 Analysis Results Tai: 612-307--.700 Fsr 6’ 2- 607-6444

Client - ATC Client’s Sample ID ATC-0427-STY-DX7 Lab Sample ID 103513529 Filename F20525B_05 Injected By BAL Total Amount Extracted 0.77 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) F20525A_17 & F20525B_16 Extracted 05/20/2002 Method Blank ID BLANK-1633 Analyzed 05/26/2002 09:55 Native Cone EMPC LRL internal ng's Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery 2,3,7,8-TCDF 48 2.6 E 2,3,7.8.TCDF-13C 2.00 78 Total TCDF 930 2.6 2,3.7.8-TCDD-13C 2.00 79 1.2,3,7,8-PeCDF-13C 2.00 79 2,3.7,8-TCDD 3100 2.6 2,3,4,7,8-P©CDF-13C 2.00 80 Total TCDD 4400 2.6 1,2.3,7,8-PeCDD-13C 2.00 83 1,2,3,4.7.8-HxCDF-13C 2.00 90 1.2,3,7,8-PeCDF S1 13.0 J 1,2,3.6,7,a-HxCDF-13C 2.00 85 2.3,4.7,8-PeCDF 58 13.0 E 2.3.4.6,7,8-HxCDF-13C 2.00 91 Total PeCOF 440 13.0 1,2,3,7.8,9-HxCDF-13C 2.00 92 1,2,3.4,7,8-HxCDD-13C 2.00 89 1,2,3,7,8-PeCDD 20 13.0 I 1,2,3,6.7,8-HxCDD-13C 2.00 95 Total PeCDD 520 13.0 1.2.3.4,6,7,8-HpCDF-13C 2.00 84 1,2,3,4.7,8.9-HpCDF-13C 2.00 68 1 .2,3,4,7,8-HxCDF 82 13.0 E 1.2,3.4.6,7,8-HpCDD-13C 2.00 84 1,2,3.6,7,8-HxCDF 77 13.0 E OCDD-13C 4.00 68 2.3,4,6.7.8-HxCDF 51 13.0 J 1.2,3.7.8.9-HxCDF 26 13.0 I 1.2,3,4-TCDD.13C 2.00 NA Total HxCDF 370 13.0 1,2,3.7,8,9-HxCDD-13C 2.00 NA 1,2,3,4,7,8-HxCDD 14 13.0 J 2,3,7,8-TCDD-37C14 0.20 85 1,2,3,6,7,8-HxCDD 34 13.0 J 1,2,3,7.8,9-HxCDD 25 13.0 J Total HxCDD 770 13.0 1.2,3,4,6.7.8-HpCDF 230 13.0 Total 2.3,7,8-TCDD 1.2.3.4.7,a,9-HpCDF 29 23.0 lA Equivalence: 3100 ng/Kg Total HpCDF 230 13.0 (Using ITE Factors) 1,2,3,4,6,7.a-MpCDD 330 13.0 Total HpCDD 650 13.0 OCDF 290 26.0 OCDD 2800 26.0 Results reported on a total weight basis LRL « Lower Reporting Limit Cone “ Conoentration (Totals Indude 2,3,7,8-aubatituted isomers) I»Interference EMPC a Estimated Maximum PossiWa Concentration E = PCDE Interference A a Detection Limit baaad on signal-to-noisa measurement s s Saturated signal J s Concentration detected is Below the calibration range NO-Not Detected B « Lass than 10 times higher than method Wank level NA a Not Applicable P > Recovery outside of target range NC = Not Calculated Nn s Value obtained from additional analysis ' s See Discussion Report No.... 02-1057132

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Paca Analytical Sarvicas, Inc.

CITY_21MC100_002867946

NYC-WTC_000213025