NYC-WTC_000226928

NYC 9/11 Public Portal Document

FEB-ia-02 11:12 FROH-PACE ANALYTICAL . B12-E07-6444 T-543 P.02/05 F-866 1700 Elm Street ■ Suite 200 Minneapolis, MN 55414 » I • I™

^ace Analytical__________ Method 8290 Analysis Results Tel; 612-607-1700 Fax: 612- 607-6444

Client - ATC Clients Sample ID Lab Sample ID ATC-0123-STY-DX1 103286274 PT Filename U20212B„08 Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/23/2002 ICAL Dats 01/25/2002 Received 01/25/2002 CCal Pilename(s) U20212A_11 &U20212B_15 Extracted 02/08/2002 Method Blank ID BLANK-1457 Analyzed 02/13/2002 05:22 Native Cone EMPC LRL Internal ng's Percent Isomers ng/nn2 ng/m2 ng/m2 Standards Added Recovery 2,3,7,B-TCDF ND . ----- 0.0024 A 2,3,7,8-TCDF-13C 2.00 94 Total TCDF ND 0.0020 2.3,7.8-TCDD-13C 2.00 93 1,2,3,7,8-PeCDF-13C 2.00 102 2,3,7,8-TCDD ND 0.0026 A. 2,3,4.7,8-PeCDF-l3C 2.00 99 Total TCDD 0.0063 0.0020 J 1,2,3,7,8-P©CDD-13C 2.00 119 1,2.3,4.7.B-HxCDF-13C 2.00 120 1,2,3,7,8-PeCDF ND 0.0100 1,2,3,6,7,8-HxCDF-13C 2.00 103 2,3.4,7,8-PeCDF ND 0.0100 2,3,4,6.7,8-HxCDF-13C 2.00 107 Total PeCDF ND 0.0100 1,2,3,7,8,9-HxCDF-13C 2.00 104 1,2,3,4.7,8-HxCDD-13C 2.00 129 1,2,3,7.8-PeCDD ND 0.0100 1,2,3,6,7,8-HxCDD-13C 2.00 125 Total PeCDD ND 0.0100 1,2,3.4,6,7,8-HpCDF-13C 2.00 116 1,2,3,4,7.8,9-HpCDF-13C 2.00 84 1.2.3.4.7.8-HxCDF ND 0.0100 1.2.3.4.6.7.8-HpCDD-13C 2.00 98 1,2,3,6,7,8-HxCDF ND 0.0100 OCDD-13C 4.00 66 2,3,4,6,7.8-HxCDF ND 0.0100 1,2,3.7.8.9-HxCDF ND 0.0100 1,2,3.4-TCDD-13C 2.00 NA Total HxCDF ND 0.0100 1,2,3,7,8,9-HxCDD-13C 2.00 NA 1,2,3,4,7,8-HxCDD ND 0.0100 2,3,7,8-TCDD-37CI4 0.20 73 1,2,3,6,7,8-HxCDD ND 0.0100 1,2,3,7,8,9-HxCDD ND 0.0100 Total HxCDD 0.0260 0.0100 J 1.2,3,4,6,7,8-HpCDF ND 0.0100 Total 2.3.7.8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.0100 Equivalence: 0.00 ng/m2 Total HpCDF ND 0.0100 (Using ITE Factors)

1,2,3,4,6,7.8-HpCDD ND 0.0100 Total HpCDD ND 0.0100 OCDF ND ---- 0.0200 OCDD 0.024 0.0200 1 LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7.8-substttLited Isomers) I 3 Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-noiee measurement S = Saturated signal J = Concentration datacted 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.... 02-1053443

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, wWioirt the written consent of Pace Analytical Services, Inc.

CITY_21MC100_002896357

NYC-WTC_000226928