NYC-WTC_000189289

NYC 9/11 Public Portal Document

Pace Analytical Services Inc 1700 Elm Street Suite 200 Minneapolis MN 55414 n I I ^ace Analytical__________ Method 8290 Analysis Results Tel 612 607 1700 Fax. 612 607 6444

I Client ATC I Clients Sample ID ATC 0322 M894 DX2 Lab Sample ID 103418885 Filename F20417B_11 Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 03/22/2002 I CAL Date 04/12/2002 Received 03/26/2002 CCal Filename(s) F20417B_01 & F20417B_16 Extracted 04/12/2002 Method Blank ID BLANK 1566 Analyzed 04/18/2002 10 28 Native Cone EMPC LRL Internal ng s Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2 3 7 8 TCDF 0 0024 0 00200 J 2 37 8 TCDF 13C 2 00 77 Total TCDF 0 0540 0 00200 2 37 8 TCDD 13C 2 00 75 1 2 37 8 PeCDF 13C 2 00 79 2 3 7 8 TCDD ND 0 00200 2 3478 PeCDF 13C 2 00 74 1 Total TCDD 1 2 3 7 8 PeCDF 0 0640 ND 0 00200 0 01000 1 2 378 PeCDD 13C 1 2 347 8 HxCDF 13C 1 2 3678 HxCDF 13C 2 00 2 00 2 00 79 101 60 2 3 4 7 8 PeCDF ND 0 01000 2 34 67 8 HxCDF 13C 2 00 84 Total PeCDF ND 0 01000 1 2 3789 HxCDF 13C 2 00 81 1 2 3478 HxCDD 13C 2 00 98 1 2 3 7 8 PeCDD ND 0 01000 1 2 3678 HxCDD 13C 2 00 86 Total PeCDD 0 0210 0 01000 J 1 2 346 78 HpCDF 13C 2 00 76 1 2 347 8 9 HpCDF 13C 2 00 74 1 2 3 4 7 8 HxCDF ND 0 01000 1 2 346 78 HpCDD 13C 2 00 83 1 2 3 6 7 8 HxCDF ND 0 01000 OCDD 13C 4 00 62 2 3 4 6 7 8 HxCDF ND 0 01000

3 1 2 3 7 8 9 HxCDF Total HxCDF ND ND 0 01000 0 01000 1 2 34 TCDD 13C 1 2 3789 HxCDD 13C 2 00 2 00 NA NA 1 2 3 4 7 8 HxCDD ND 0 01000 2 3 7 8 TCDD 37CI4 0 20 84 1 2 3 6 7 8 HxCDD ND 0 01000 1 2 3 7 8 9 HxCDD ND 0 01000 Total HxCDD 0 0210 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 00058 ng/m2 Total HpCDF ND 0 01000 (Using ITE Factors) 1 2 3 4 6 7 8 HpCDD 0 0200 0 01000 J Total HpCDD 0 0360 0 01000 J OCDF ND 0 02000 OCDD 0 1500 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 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 ND = Not Calculated Nn = Value obtained from additional analysis = See Discussion Report No 02 1055555

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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NYC-WTC_000189292