NYC-WTC_000226903

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

Client - ATC Client's Sample ID ATC-1226-STY-DX4 . Lab Sample ID 103241485 Filename F20107A_11 ■I Injected By Total Amount Extracted LMD 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 12/26/2001 ICAL Date 01/02/2002 Received 12/28/2001 CCal Filename(s) . F20107A_01 &F20107A_15 Extracted 01/03/2002 Method Blank ID BLANK-1401 Analyzed 01/07/2002 18:22 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. 75 i Total TCDF 2,3,7,8-TCDD ND ND ---- 0.00200 0.00200 2,3,7,8-TCDD-13C. 1,2,3,7,8-PeCDF-13C 2,3,4,7,8-PeCDF-13C 2.00, 2.00 2.00 .83 76 72 Total T.CDD ND 0.00200 1,2,3,7,8-PeCDD-l3C 2.00 83 i 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 . 99 86 90 ri' Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 99 K'- 1,2,3,4.7,8-HxCDD-13C 2.00 . 111 1,2,3,7.8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 84 Total PeCDD ND 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 108 1,2,3,4,7.8,9-HpCDF-13C 2.00 114 1,2.3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 124 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 80 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 0 Total HxCDF . 1,2,3,4,7.8-HxCDD ND ND 0.01 ooO 0.01000 1,2,3,7,8,9-HxCDD-13C 2,3,7,8-TCDD-37CI4 2.00 0.20 NA 82 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: 0.000023 ng/m2 0 Total HpCDF ND 0.01000 (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD ND 0.01000 I Total HpCDD OCDF ND ND 0.01000 0.02000 OCDD 0.023 0.02000 J I Cone = Concentration {Totals include 2,3,7,8-substituted isomers) LRL = Lower Reporting Limit I = Interference EMPC = Estimated Maximum Possible Concentration ■ E = PCDE Interference 1 A = Detection Limit based on signal-to-noiss 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.... 01-1052682 .

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

CITY_21MC100_002896271

NYC-WTC_000226924