NYC-WTC_000189289

NYC 9/11 Public Portal Document

Pace Analytical Services Inc 1700 Elm Street Suite 200 Minneapolis MN 55414

^ace Analytical__________ Method 8290 Analysis Results Tel 612 607 1700 Fax. 612 607 6444

I I Client ATC ! Clients Sample ID ATC 0322 M894 DX3 Lab Sample ID 103418893 Filename F20417B 12 1 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 11 18 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 2 378 TCDF 13C 2 00 76 Total TCDF 0 026 0 00200 2 37 8 TCDD 13C 2 00 74 1 2 378 PeCDF 13C 2 00 80 2 3 7 8 TCDD ND 0 00200 2 347 8 PeCDF 13C 2 00 76 1 Total TCDD 0 039 0 00200 1 2 37 8 PeCDD 13C 2 00 70 j 1 2 347 8 HxCDF 13C 2 00 101 1 2 3 7 8 PeCDF ND 0 01000 1 236 78 HxCDF 13C 2 00 65 2 3 4 7 8 PeCDF ND 0 01000 2 346 7 8 HxCDF 13C 2 00 86 1i Total PeCDF ND 0 01000 1 2 3789 HxCDF 13C 2 00 83 1 2 3478 HxCDD 13C 2 00 96 1 2 3 7 8 PeCDD ND 0 01000 1 2 367 8 HxCDD 13C 2 00 84 Total PeCDD 0 015 0 01000 J 1 2 346 78 HpCDF 13C 2 00 77 I 1 2 347 8 9 HpCDF 13C 2 00 75 I 1 2 3 4 7 8 HxCDF ND 0 01000 1 2346 7 8 HpCDD 13C 2 00 84 1 2 3 6 7 8 HxCDF ND 0 01000 OCDD 13C 4 00 65 2 3 4 6 7 8 HxCDF ND 0 01000 1 2 3 7 8 9 HxCDF ND 0 01000 1 234 TCDD 13C 2 00 NA Total HxCDF ND 0 01000 1 2 3789 HxCDD 13C 2 00 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 0013 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 00026 ng/m2 Total HpCDF ND 0 01000 (Using ITE Factors) 1 2 3 4 6 7 8 HpCDD 0015 0 01000 J Total HpCDD 0 026 0 01000 J OCDF ND 0 02000 OCDD 0110 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 NC = 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

CITY_21MC100_003085242

NYC-WTC_000189293