NYC-WTC_000226934

NYC 9/11 Public Portal Document

FEB-21-02 15:44 PROW-PACE ANALYFI CAL 612-B07-6444 T-627 P.05/05 F-04B 1700 Elm Street - Suite 200 Minneapolis, MN 55414

^ceAnalytical'_________ _ Method 8290 Analysis Results Tel: 612-607-1700 Fay 612- 607-6444

Client-ATC Client's Sample ID ATC-0130-STY-DX4 Lab Sample ID 103302766 Filename F20219B_09 Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/30/2002 ICAL Date 01/24/2002 Received 02/04/2002 CCal Filename(s) F20219B_01 & F20219B_i6 Extracted 02/15/2002 Method Blank ID BLANK-1468 Analyzed 02/20/2002 02:40 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 68 Total TCDF ND ---- 0.00200 2,3,7,8-TCDD-13C 2.00 67 1,2,3,7,8-PeCDF-13C 2.00 77 2,3,7,8-TCDD ND 0.00200 2,3,4.7,8-P6CDF-13C 2.00 75 Total TCDD ND 0.00200 4 1,2.3,7,8-PeCDD-13C 2.00 70 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. 73 2,3,4.7,8-PeCDF ND 0.01000 2,3,4,6.7,8-HxCDF-13C 2.00 83 Total PeCDF ND 0.01000 1.2,3,7,8,9-HxCDF-l3C 2,00 87 1,2,3,4,7,8-HxCDD-13C 2.00 102 1,2,3.7,8-PeCDD ND 0.01000 1,2,3,6.7.8-HXCDD-13C 2.00 77 Total PeCDD ND 0.01000 1.2,3,4,6,7,8-HpCDF-13C 2.00 82 1,2,3,4.7,8,9-HpCDF-13C .2.00 75 1,2,3,4,7,8-HxCDF ND 0,01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 77 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 54 2,3.4,6,7,8-HxCDF ND 0.01000 l,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 1,2,3.4,7,8-HxCDD ND - 0.01000 2,3.7,8-TCDD-37CI4 0.20 70 1,2,3,6,7,8-HxCDD ND 0.01000 1,2,3,7,8,9-HxCDD , ND - 0.01000 Total HxCDD ND - 0.01000 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; 0.00 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 OCDF ND 0.02000 OCDD ND ■ 0.02000 LRL = Lower Reporting Limit Cone = Concentration fTotals indude 2,3,7,8-substituted isomers) I s interference EM PC = 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 NCs 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_002896368

NYC-WTC_000226937