NYC-WTC_000219094

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- 607-64-44

Client - ATC Client's Sample ID ATC-1220-89M-DX1 Lab Sample ID 103233896 Filename F11228B_03 a Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 12/20/2001 :'<-l ICAL Date 11/19/2001 Received 12/21/2001 CCal Filename(s) F11228B_01 & F11228B_16 Extracted 12/23/2001 Method Blank ID BLANK-1389 Analyzed 12/28/2001 23:01 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 62 Total TCDF 0.0034 0.00200 J 2,3,7,8-TCDD-13C 2.00 74 Li 1,2,3,7,8-PeCDF-13C 2.00 65 2.3.7.8-TCDD ND 0.00200 2,3.4,7,8-PeCDF-13C 2.00 68 Total TCDD 0.0130 0.00200 1,2,3,7.8-PeCDD-13C 2.00 83 3 1,2,3,7,8-PeCDF 2,3,4,7,8-PeCDF ND ND 0.01000 0.01000 1,2,3,4,7,8-HxCDF-13C 1,2,3,6,7,8-HxCDF-13C 2,3,4,6,7,8-HxCDF-13C 2.00 2.00 2.00 73 78 76 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 76 1,2,3,4,7,8-HxCDD-13C 2.00 101 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 84 Total PeCDD 0.0760 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 89 1,2,3,4,7,8,9-HpCDF-13C 2.00 82 u 1,2,3,4,7,8-HxCDF 1.2,3,6,7,8-HxCDF ND ND 0.01000 0.01000 1,2,3,4,6,7,8-HpCDD-13C OCDD-13C 2.00 4.00 100 68 .. 2,3,4,6,7,8-HxCDF ND 0.01000

a 1,2,3,7,8.9-HxCDF Total HxCDF

1,2,3,4,7,8-HxCDD 1,2,3,6,7,8-HxCDD ND 0.0150 0.0220 ND 0.01000 0.01000 J

0.01000 J 0.01000 1,2,3,4-TCDD-13C 1,2,3,7,8,9-HxCDD-13C

2,3,7,8-TCDD-37CI4 2.00 2.00

0.20 NA NA

76

a 1,2,3,7,8,9-HxCDD Total HxCDD ND 0.3100 0.01000 0.01000

1,2,3,4,6,7,8-HpCDF 0.0250 0.01000 J Total 2,3,7,8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.01000 Equivalence: 0.0038 ng/m2 Total HpCDF 0.0250 0.01000 J (Using ITE Factors)

1,2,3,4,6,7,8-HpCDD 0.1000 0.01000 Total HpCDD 0.3400 0.01000 3 OCDF 0.0280 0.02000 J OCDD 0.3600 0.02000 -5 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.... 01-1052540

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

CITY_21MC100_002879235

NYC-WTC_000219097