NYC-WTC_000226903

NYC 9/11 Public Portal Document

Pace Analytical Services, Inc. 11 1700 Elm Street - Suite .200 Minneapolis, MN 55414

we Analytical ____ _ Method 8290 Analysis Results Tel: 612-607-1700 'Fax:-612- 607-6444

Client - ATC Client's Sample ID ATC-1226-STY-DX2 Lab Sample ID 103241469' Filename F20108A_04 I Injected By Total Amount Extracted LMD 1 m2- Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected . 12/26/2001 ICAL Date 01/02/2002 Received 12/28/2001 CCal Filename(s) F20108A_01 & F20108A_15 Extracted 01/03/2002 Method Blank ID BLANK-1401 Analyzed 01/08/2002 15:02 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 83 I Total TCDF . 2,3,7,8-TCDD 0.0023, 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 80 90 86 Total TCDD ND 0.00200 1,2,3,7,8-PeCDD-13C 2.00 87 1,2,3,4,7,8-HxCDF-13C 2.00 109 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 82 .Ji

2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 98 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 116 1,2,3,4,7,8-HxCDD-13C 2.00 91 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 95 Total PeCDD ND . 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 94 1,2.3,4,7,8,9-HpCDF-13C 2.00 .96 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 94 1,2,3,6,7,8-HxCDF . . ND 0.01000 OCDD-13C 4.00 80 2,3,4,6,7,8-HxCDF ND 0.01000

n 1,2,3,7,8,9-HxCDF Total HxCDF 1,2,3,4,7,8-HxCDD 1,2,3,6,7,8-HxCDD ND ND ND ND ■ 0.01000 0.01000 0.01000 0.01000 1,2,3,4-TCDD-13C 1,2,3,7,8,9-HxCDD-13C 2,3.7.8-TCDD-37Ci4 2.00 2.00 0.20 NA NA 80 1,2,3,7,8,9-HxCDD ND 0.01000 Total HxCDD 0.0290 0.01000 J 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: 0.00062 ng/m2 -1 Total HpCDF ND 0.01000 (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD 0.0410 0.01000 J 8 Total HpCDD 0.0640 0.01000 J OCDF ND 0.02000 OCDD 0.2100 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 "i 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 L! Report No.... 01-1052682

5:1 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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