NYC-WTC_000215001

NYC 9/11 Public Portal Document

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

^ace Analytical__________ Tel; 612-607-1700 Fsx' 612- 607-6444 Method 8290 Analysis Results Client - ATC Client's Sample ID ATC-1301-150M-DX-1 Lab Sample ID 103363685 Filename F20318B_08 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) ■P2O318B_01 & F20318B_17 Extracted 03/12/2002 Method Blank ID BLANK-1505 Analyzed 03/18/2002 21:22 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 73 Total TCDF ND 0.00200 2,3,7,8-TCDD-13C 2.00 66 1,2,3,7,8-PeCDF-13C 2.00 70 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13G 2.00 71 Total TCDD 0.0071 0.00200 J 1,2,3,7,8-PeCDD-13C 2.00 71 1,2,3,4,7,8-HxCDF-13C 2.00 107 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HXCDF-13C 2.00 72 2,3,4,7.8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 84 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 90 1,2,3,4,7,8-HxCDD-13C 2.00 108 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 75 Total PeCDD 0.0110 0.01000 J 1,2,3,4,6,7,8-HpCDF-13C 2.00 81 1,2,3,4,7,8,9-HpCDF-13C 2.00 80 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 90 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 82 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 69 1,2,3,6,7,8-HxCDD ND 0.01000 1,2,3,7,8,9-HxCDD ND 0.01000 Total HxCDD 0.0690 0.01000 1,2,3,4,6,7,8-HpCDF 0.0140 0.01000 J Total 2,3,7,8-TCDD 1,2.3,4,7,8,9-HpCDF ND 0.01000 Equivalence: 0.0015 ng/m2 Total HpCDF 0.0420 0.01000 J (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD 0.0760 0.01000 Total HpCDD 0.1700 0.01000 OCDF 0.0340 0.02000 J OCDD 0.5700 0.02000 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 > 1 Nn = Value obtained from additional analysis ' = See Discussion Report No.... 02-1054698

SI 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_000215002