NYC-WTC_000194765

NYC 9/11 Public Portal Document

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

^ace Analytical__________ Tel: 612-507-1700 Fax: 612- 607-6444 Method 8290 Analysis Results Client - ATC Client's Sample ID ATC-0301-89M-DX-2 Lab Sample ID 103363701 Filename F20318B_10 Injected By MASB Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 03/01/2002 ICAL Date 01/24/2002 Received 03/05/2002 CCai Filename(s) F20318B_01 &F20318B_17 Extracted 03/12/2002 Method Blank ID BLANK-1505 Analyzed 03/18/2002 22:59 Native Cone EMPC LRL Internal ng's Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2,3,7,8-TCDF ND 0.00200 2,3,7,8-TCDF-13C 2.00 79 Total TCDF 0.0026 0.00200 J 2,3,7,8-TCDD-13C 2.00 74 1,2,3,7,8-PeCDF-13C 2.00 80 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 78 Total TCDD 0.0110 0.00200 1,2,3,7,8-PeCDD-13C 2.00 76 1,2,3.4,7,8-HxCDF-13C 2.00 119 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 74 2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 89 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 97 1,2,3.4,7,8-HxCDD-13C 2.00 111 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 77 Total PeCDD ND 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 84 1,2,3,4,7,8,9-HpCDF-13C 2.00 81 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 92 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 81 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 81 1,2,3,6,7,8-HxCDD ND 0.01000 1,2,3,7,8.9-HxCDD ND 0.01000 Total HxCDD ND 0.01000 1,2,3,4,6,7,8-HpCDF ND 0.01000 Total 2,3,7,8-TCDD 1,2,3.4,7,8,9-HpCDF ND 0.01000 Equivalence: 0.00023 ng/m2 Total HpCDF ND 0.01000 (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD 0.0140 0.01000 J Total HpCDD 0.0260 0.01000 J OCDF ND 0.02000 OCDD 0.0960 0.02000 BJ u LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,8-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.... 02-1054700

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

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NYC-WTC_000194765