NYC-WTC_000219421

NYC 9/11 Public Portal Document

FEB-18-02 12:53 FROM-PACE ANALYTICAL 612-607-6444 7-547 P.04/05 F-676 1700 Dm Street - Suite 200 Minneapolis, MN 65414

weAnaIvticar_________ Method 8290 Analysis Results Tel: 612-607-1700 Fhy: fit 2- 607-6444

Client - ATC Client's Sample ID ATC-0125-89M-DX3 ■r I - Lab Sunpie ID 103292413 ■—''.J ; kJ Filename U20212B_13 Injected By BAL Total Amount Extracted 1 in2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/25/2002 iCALDate 01/25/2002 Received 01/29/2002 CCal Filename(s) U20212/L11 &U2O212B_15 Extracted 02/08/2002 Method Blank ID BLANK-1457 Analyzed 02/13/2002 09:30 Native Cone EMPC LRL Internal ng's Percent isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2.3.7.8-TCDF ND ---- 0.0065 A 2,3,7,8-TCDF-13C 2.00 66 Total TCDF ND ---- 0.0020 2,3,7,8-TCDD-13C 2.00 43 1.2,3,7,8-PeCDF-13C 2.00 69 2.3,7,8-TCDD ND 0.0120 A 2,3,4,7,8-PeCDF-13C 2.00 64 Total TCDD 0.096 0.0020 1.2.3.7.8-P6CDD-13C 2.00 79 1,2,3,4,7,S-HxCDF-13C 2.00 103 1,2,3,7,8-PeCDF ND 0.0100 1,2,3,6,7,a-HxCDF-ISC 2.00 60 2,3,4,7.8-PeCDF ND 0.0100 2,3,4,6,7,8-HxCDF-13C 2.00 83 Total PeCDF ND 0.0100 1.2,3.7.8,9-HXCDF-13C 2.00 75 1,2,3,4,7,B-HxCDD-13C 2.00 100 1,2,3,7,8-PeCDD ND 0.0100 1,2,3.6,7,8-HxCDD-13C 2.00 89 Total PeCDD 0.013 0.0100 J 1,2,3,4,6,7,8-HpCDF-13C 2.00 76 1,2,3,4,7,8.9-HpCDF-13C 2.00 66 1,2,3.4,7,a-HxCDF ND 0.0100 1,2,3,4,6,7,8-HpCDD-13C 2.00 70 1,2,3,6,7.8-HxCDF ND 0,0100 OCDD-13C 4,00 74 2.3,4,6,7,8-HxCDF ND 0.0100 1.2,3,7.8,9-HxCDF ND 0,0100 1.2.3,4-TCDD-13C 2.00 NA Total HxCDF ND 0.0100 1.2,3,7,8,9-HxCDD-13C 2.00 NA 1,2,3,4,7,8-HxCDD ND 0.0110 A 2,3.7,8-TCDD-37Cl4 0.20 47 1.2.3.6.7,8-HxCDD ND 0.0110 A 1,2,3,7,8.9-HxCDD ND 0.0100 Total HxCDD 0.011 0.0100 J 1.2.3.4,6.7.8-HpCDF ND 0.0130 A Total 2,3,7,8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.0100 Equivalence: 0,00038 ng/m2 Total HpCDF ND 0.0100 (Using ITE Factors)

1,2,3.4,6,7,8-HpCDD 0.020 0.0130 JA Total HpCDD 0.020 0.0100 J OCDF ND 0.0200 OCDD 0,180 0.0200 LRU = Lower Reporting Limit Cone=Conconnation (Totals indude 2,3,7,8-sijbatituted isomers) I = Interference EMPC B Estimated Maximum Posslblo Concentration E = PCDE Interference A B Detection Limit based on slflnal-to-noise measurement S = Saturated signal J B Concentration datectDCt is below ths calibraton range ND 3 Not Detected B B Lass than 10 times higher than method blanK levat NA B Not Applicable P = Recovery outtids e< target range ND B Not Calculated Nn B value obtained from additional analysis * = See Plscussian Report No.... 02-1053530

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

CITY_21MC100_002880341

NYC-WTC_000219424