NYC-WTC_000204954

NYC 9/11 Public Portal Document

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^ace Analytical_________ Method 8290 Analysis Results Tai: 612-607-1700 Far 61?- S07-644A

‘ Client-ATC Client’s Sample ID ATC-0427-STY-DX20 Lab Sample ID . 103513420 7 Filename F20523AJ8 7 Injected By BAL 7 . Total Amount Extracted 0.21 g .7 ;: 7 Matrix DUST % Moisture NA 7 Dilution NA Dry Weight Extracted NA Collected 04/27/2002 ICAL Date 05/04/2002 Received 05/01/2002 CCal Filename(s) F20523A_05 & F20523A_20 Extracted 05/20/2002 7 Method Blank ID BLANK-1633 Analyzed 05/24/2002 02:46 Native Cone EMPC LRL Internal ng’s Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery

I 7 2,3,7.8-TCDF . 27 12.0 EA 2,3,7.8-TCDF-13C :. 7 TotalTCDF7 . 380 9.5 2.3,7,8-TCDD-13C 1.2,3,7,a-PeCDF-13C ...ND ' 7 650 1;^ * 2,3.4,7,a-PeCDF-13C 1,2,3.7,8-PeCDD-13C 1,2,3,4,7,8-HxCDF.13C 2.00 2.00 2,00 7 1,2,3,7.8-PeCDF ND 1,2,3,6.7,a-HxCDF-13C 2.00 : 2,3,4,7.8-PeCDF Total PeCDF 1“ 2,3,4,6,7,8-HxCDF-13C 1.2.3,7,8,9-HxCDF-13C 1,2,3,4,7,8-HxCDD-13C 7 ^■22 2.00 2.OO 1,2,3,7,8'PeCDD 7 < ND 1,2.3.6,7.S-HXCDD-13C 2.00 7 TotalPeCDD ...7 / 7 S3 I .77': 97-7 :i7.. 1,2,3,4.6,7,8-HpCDF-13C 2.00 73 1,2.3,4.7,a.9-HpCDF.13C 2.00 . 1.2,3,4.7.8-HxeDF 1.2,3,4,6,7.8-HpCDD-13C 2.00 1.2.3,6,7.8-HxCDF OCDD-13C - 4.00 I 7 : 7 2,3,4.6,7,8-HxCDF Y. 73.7- 1,2,3,7,8,9-HxCDF: Total HXCDF7 . Y 7 ND 440 7 f7SS'7 48.0 1,2,3,4^CDD-13G 7 ^7^;- 2.00 7 1.2,3,7,8,9-HxCDD-13C7 77; 2.00 7 NA NA;

ND 2.3,7,8-TCDD-37CI4 / ' 0.20 81 7 1.2.3,6.7,8-HxCDD 1,2,3,7,8,9-HxCDD Total HxCDD 777 - 51 ; ND 900 : S' ■7 1,2,3,4,6.7,8-HpCDF / 280 Total 2,3,7,8-TCDD . 1,2,3.4.7 8,g-HpCDF ND Equivalence; 51 ng/Kg 77/ Total HpCDF 7. 280 < -48.0 (Using ITE Factors)

, 1.2,3.4.6,7,8-HpCDD ’7.' TotalHpCDD . 77. 600. 1300 ; 515 - OCDD 7 Results reported on a total weight basis LRL = Lower Reporting Limit Cone = Concantratiori (Totals include 2,3,7,6-substituisd isomers) I = Interference EMPC = Estimated Maximum Possible Concentration £ = PCDE Interference 7 7 A = Detection Limit based on signal-tOHioise measurement S = Saturated signal J = Concentration detected Is below the calibration range ND = Not Detected B = Lass than 10 times higher than method blank level NA = NotApplicaCls . P = Recovery outside of target range NC = Not Calculated Nn = Value obtained from additional analysis • = See Discussion Report No.....02-1057132

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

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