NYC-WTC_000226934

NYC 9/11 Public Portal Document

FEB-21-02 15:43 FROH-PACE ANALYTICAL 612-607-6444 T-627 P.02/05 F-046 1700 am Street - Suite 200 Minneapolis, MN S5414

'aceAnaIvticar____ ____ Method 8290 Analysis Results Tsi; 612-607-1700 Fax: 612- 607-6444

Client - ATC Clients Sample ID Lab Sample ID Filename ATC-0130-STY-DX1 103302733 F20219B_06 J.-;--;' r Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/30/2002 ICALDate 01/24/2002 ■ Received 02/04/2002 CCal Filename(s) F20219B_01 &F20219B_16 Extracted 02/15/2002 Method BlanK ID BLANK-1468 Analyzed 02/20/2002 00:12 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 66 Total TCDF ND ---- 0.00200 2,3,7,8-TCDD-13C 2.00 65 1,2.3,7.8-PeCDF-13C 2.00 73 2.3,7,a-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 71 Total TCDD ND 0.00200 1,2,3,7,8-PeCDD-13C 2.00 65 1,2,3,4,7,8-HxCDF-13C 2.00 102 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 83 2,3,4,7,8-PqCDF 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 89 1,2,3.4.7,8-HxCDD-13C 2.00 94 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 86 Total PeCDD ND 0.01000 1,2.3.4.6,7.8-HpCDF-13C 2.00 80 1,2,3,4,7,8.9-HpCDF-13C 2.00 71 1.2.3.4.7,8-HxCDF ND 0.01000 1,2.3.4.6,7,8-HpCDD-13C 2.00 75 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 60 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,a-HxCDD ND 0.01000 2.3,7,8-TCDD-37CI4 0.20 66 1,2.3,6.7,8-HxCDD ND 0.01000 1,2,3,7,8,9-HxCDD ND 0.01000 Total HxCDD 0.014 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: 0.000022 ng/m2 Total HpCDF ND 0.01000 (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD ND 0.01000 Total HpCDD ND 0.01000 /Vid IA OCDF ND 0.02000 OCDD 0.022 0.02000 BJ LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,8'SUbstitutBd isomers) I = interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-nolse 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.....02-1053714

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

CITY_21MC100_002896365

NYC-WTC_000226934