PCDD/PCDF wipe sample results, PS 234M, Mar 2002

NYC 9/11 Public Portal Document

FEB-28-02 DS:22 FROM-FACE ANALYTICAL 612-607-6444 T-T60 P,04/06 F-336 170C Elrn Street - Suite 200 Minneapolis, MN 6541 u

’ace Analytical__________ Method 8290 Analysis Results Tel: 612-S07-173C) Fay 61?- 607-644^

Client - ATC Client's Sample ID ATC-0205-234M-DX1 Lab Sample ID 103307195 .■ L. Filename F20222A_04 Injected By MASB Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 02/05/2002 ICAL Date 01/24/2002 Received 02/06/2002 CCal Filename(s) F20222A_01 & F20222A_14 Extracted 02/18/2002 Method Blank ID BLANK-1471 Analyzed 02/22/2002 10:45 Native Cone EMPC LRL Internal ng's Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2,3,7,8-TCDF 0.0031 0.0020 J 2,3,7,8-TCDF-13C 2.00 62 Total TCDF 0,0410 0.0020 2,3,7,8-TCDD-13C 2.00 60 1,2,3,7,8-PeCDF-13C 2.00 79 2,3,7,8-TCDD ND 0-0020 2,3,4,7,8-PeCDF-13C 2.00 76 Total TCDD 0.0820 0.0020 1,2,3,7,8-PeCDD-13C 2.00 78 1,2,3,4,7,8-HxCDF-13C 2.00 82 1,2,3,7,8-P0CDF ND 0.0100 1,2,3,6,7,8-HxCDF-13C 2.00 78 2,3,4.7,8-PeCDF ND 0.0100 2,3,4,6,7,8-HxCDF-13C 2.00 73 Total PeCDF 0.0530 0.0100 1,2,3.7,8,9-HxCDF-13C 2.00 67 1,2,3,4,7,8-HxCDD-13C 2.00 77 1,2,3,7,8-PeCDD ND 0.0100 1,2,3,6,7,8-HxCDD-13C 2.00 70 Total PeCDD 0.0250 0,0100 J 1,2,3,4,6,7,8-HpCDF-l3C 2.00 69 1,2.3,4,7,8,9-HpCDF-13C 2.00 65 1,2.3,4,7,8-HxCDF ND 0,0100 1,2,3,4,6,7,8-HpCDD-13C 2.00 76 1,2,3,6,7,8-HxCDF ND 0.0100 OCDD-13C 4.00 46 2,3,4,6.7,8-HxCDF 0.022 0.0100 E 1,2,3,7,8.9-HxCDF ND 0.0100 1,2.3,4-TCDD-13C 2.00 NA Total HxCDF 0.0380 0.0100 J 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-37Cl4 0.20 67 1.2,3,6,7,8-HxCDD ND 0.0100 1,2.3,7,S,9-HxCDD ND 0.0100 Total HxCDD 0.3700 0.0100 1,2,3,4,6,7,8-HpCDF 0.0240 0.0100 J Total 2,3,7,8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.0100 Equivalence; 0.0010 ng/m2 Total HpCDF 0.024O 0.0100 J (Using ITE Factors)

1,2,3,4,6,7,8-HpCDD 0.0380 0.0100 J Total HpCDD 0.0980 0.0100

OCDF ND 0.0200 OCDD 0.1100 0.0200

LRL = Lower Reporting Limit Cone = Concentration (Totals Include 2,3,7.8-substituted isomers) I = Interference EMPC = Estimated Maxlrnurn 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 Nn = Value obtained from additional analysis * = See Discussion Report No.... (32-1053790

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

CONFIDENTIAL, CITY_21MC100_003444469

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177803