NYC-WTC_000182790

NYC 9/11 Public Portal Document

Pace Analytical Services, Inc. 1700 Elm Street ■ Suite 200 Minneapolis, MN 55414

^ace Analytical ________ Method 8290 Analysis Results Tel: 312-607.1700 Fax- 612- SOT-e-UA

Client-ATC Client's Sample ID ATC-1114-DX-02 Lab Sample ID 103142907 Filename U11126A_05 Injected By MASS Total Amount Extracted 1 Sample Matrix WIPE %, Moisture NA Dilution NA Dry Weight Extracted NA Collected 11/14/2001 ICAL Date 11/10/2001 Received 11/15/2001 CCal Filename(s) U11126A_01 &U11126A_15 Extracted 11/19/2001 Method Blank ID BLANK-1336 Analyzed 11/26/2001 11:06 Native Cone EMPC LRL Internal ng's Percent Isomers ng/S ng/S ng/S Standards Added Recovery 2,3,7.8-TCDF nd 0.00200 2,3,7,8-TCDF-13C 2.00 65 Total TCDF 0.0076 0.00200 J 2,3,7,8-TCDD-13C 2.00 63 1,2,3,7,8-PeCDF-13C 2.00 68 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 68 Total TCDD 0.0300 0.00200 1,2,3,7.8-PeCDD-13C 2.00 68 1,2,3,4,7,8-HXCDF-13C 2.00 100 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 67 2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 90 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 70 1.2,3,4,7,8-HxCDD-13C 2.00 92 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 96 Total PeCDD 0.0390 0.01000 J 1,2.3,4,6,7.8-HpCDF-13C 2.00 92 1,2,3,4,7,8,9-HpCDF-13C 2.00 68 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 78 1,2,3,6,7,8-HxCDF ND 0,01000 OCDD-13C 4.00 50 2,3,4,6,7,8-HxCDF ND 0.01000 1,2,3,7,8,9-HxCDF ND 0.01000 1,2,3,4-TCDD-13C 2.00 NA I- Total HxCDF ND 0.01000 1.2,3,7,8,9-HxCDD-13C 2.00 NA

1,2,3,4,7,8-HxCDD ND 0.01000 2,3,7,8-TCDD-37CI4 0.20 63 1,2,3,6,7,8-HxCDD ND 0.01000 1,2,3,7,3,9-HxCDD ND 0.01000 Total HxCDD 0.0980 0.01000

1,2,3,4,S,7,8-HpCDF 0.0280 0.01000 J Total 2,3,7,8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.01000 Equivalence: 0.0011 ng/S Total HpCDF 0.0280 0.01000 J (Using ITE Factors)

1,2,3,4.6,7,8-HpCDD 0.0350 0.01000 BJ Total HpCDD 0.0350 0.01000 BJ

OCDF 0.0250 0.02000 J OCDD 0.4000 0.02000 B LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,S-substituted isomers) I = Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-noise measurement S = Saturated signal J = Concentration detected is below the calibration range ND = Not Detected B = Less than 10 times higher than method blank level NA = Not Applicable P = Recovery outside of target range NC = Not Calculated Nn = Value obtained from additional analysis • = See Discussion Report No.... 01-1051099

REPORT GF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, Inc.

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