NYC-WTC_000224768

NYC 9/11 Public Portal Document

Pace Analytical Services, Inc. 1700 Elm Street-Suits 200 Minneapolis. MN 55414

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Client - ATC Client’s Sample ID ATC-0415-1501V1-DX1 Lab Sample IO 103481339 Filename F20509C_04 Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 04/15/2002 ICAL Date 05/04/2002 Received 04/23/2002 CCal Filename(s) F20509B_15 & F20509C_15 Extracted 04/30/2002 Method Blank ID BLANK-1606 Analyzed 05/09/2002 21:45 Nativ® C@sue LRL Internal ng'S (Percent Osemeirs ng/m2 ng/m2 ng/m2 Recovery 2,3,7,8-TCDF ND — 0.00200 2,3,7,8-TCDF-13C 2.00 93 Total TCDF ND — 0.00200 2,3,7,8-TCDD-13C 2.00 80 1,2,3.7,8-PeCDF-13C 2.00 86 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 86 Total TCDD 0.0076 0.00200 J 1,2.3.7.8-PeCDD-13C 2.00 81 1,2,3.4.7,8-HxCDF-13C 2.00 114 1,2,3,7,8-PsCDF ND 0.01000 1,2,3,6.7,8-HxCDF-13C 2.00 74 2,3,4,7,8-P0CDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 102 Total PqCDF ND 0.01000 1,2,3,7,8.9-HxCDF-13C 2.00 96 1,2,3,4,7,8-HxCDD-13C 2.00 104 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6.7,8-HxCDD-13C 2.00 101 Total PsCOD ND 0.01000 1,2,3,4.6.7,8-HpCDF-13C 2.00 87 1,2,3,4,7,8,9-HpCDF-13C 2.00 65 1,2,3,4,7,8-HxCDF ND 0.01000 1.2,3,4.6,7.8-HpCDD-13C 2.00 67 1,2,3,6.7,8-HxCDF ND 0.01000 OCDD-13G’ 4.00 72 2,3,4,6,7,8-HxCDF ND 0.01000 1,2,3,7,8,9-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 89 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: 0.000022 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 0.0220 0.02000 J LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3.7,8-substitut0d isomers) I = Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-noisa measurement S = Saturated signsi J = Concentration detected is below ths calibration range WO = iMot 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 ’ = Sea Discussion Report No.... 02-1056602

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

CITY_21MC100_002894499

NYC-WTC_000224768