NYC-WTC_000226877

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: 612-607-1700 Fax' 612- 607-6444

Client - ATC J Client's Sample ID ATC-1203-STY-DX1 Lab Sample ID 103183083 Filename U11209A_12 Injected By BAL Total Amount Extracted 1 Sample Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 12/03/2001 I CAL Date 11/10/2001 Received 12/04/2001 CCal Filename(s) U11209A_01 &U11209A_17 Extracted 12/05/2001 Method Blank ID BLANK-1358 - Analyzed- 12/10/2001 04:30 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 82 — J Total TCDF 2,3,7.8-TCDD 0.0022 ND 0.00200 J 0.00200 2,3,7,8-TCDD-13C 1,2,3,7,8-PeCDF-13C 2,3,4,7,8-PeCDF-13C 2.00 2.00 2.00 76 79 79 Total TCDD 0.0044 0.00200 BJ 1,2,3,7,8-PeCDD-13C 2.00 78 Mi 1,2,3,4,7,8-HxCDF-13C 2.00 112 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 94 2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 104 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 97 1 1,2,3,7,8-PeCDD Total PeCDD ND 0.0150 0.01000 0.01000 J 1,2,3,4,7,8-HxCDD-13C 1,2,3,6,7.8-HxCDD-13C 1,2,3,4,6,7,8-HpCDF-13C 2.00 2.00 2.00 94 108 86 . •

1,2,3,4,7,8,9-HpCDF-13C 2.00 75 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 74 a 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 48 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 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 74 1,2,3,6,7,8-HxCDD ND 0.01000 1 1,2,3,7,8,9-HxCDD Total HxCDD ND 0.0380 0.01000 0.01000 J

1,2,3,4,6,7,8-HpCDF ND 0.01000 Total 2,3,7.8-TCDD 3J 1,2,3,4,7,8,9-HpCDF Total HpCDF ND ND 0.01000 0.01000 Equivalence: 0.00016 ng/S (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD 0.0100 0.01000 J /i Total HpCDD 0.0100 0.01000 J OCDF ND 0.02000 OCDD 0.0560 0.02000 J 1 LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,8-substituted isomers) I = Interference EMPC = Estimated Maximurn 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

s Nn = Value obtained from additional analysis NC = Not Calculated * = See Discussion Report No.... 01-1051682

I REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, 1 without the written consent of Pace Analytical Services, Inc.

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