NYC-WTC_000218502

NYC 9/11 Public Portal Document

ua.'^C r-KUM-KALt ANAL rn CAL ElZ-BOr-6444 T-OSO P-Oe/10 F-!57 1700 Elm Sweet - Suite 200 Minneapolis, MN 55414

weAnalvticar________ Method 6290 Analysis Results Tel: 612-607-1700 Pay PI?. R07-6444

Client-ATC Client's Sample ID AT(XJ222-234M-DX1 Lab Sample iO 103343364 Filename U20312A_20 Injected By CVS Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 02/22/2002 ICALDate 03/12/2002 Received 02/25/2002 CCal Filenamefs) U20312/V.06 & U20312A_21 Extracted 03/D5Z2002 Method Blank ID BLANK-1499 Analyzed 03/13/2002 01:54 Native Cone EMPC LRL Internal ng's Percent isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2,3,7,8-TCDF ND — 0.0030 A 2,3,7,8-TCDF-13C 2.00 63 Total TCDF 0.020 — 0.0020 2,3.7,8-TCDD-13C 2.00 67 1,2,3,7,8-P©CDF-13C 2.00 60 2,3,7,8-TCOD ND 0.0059 A 2.3,4.7,8-PeCDF-13C 2.00 61 Total TCDD 0.016 0.0020 1,2,3,7,8-PeC0D-l3C 2.00 67 1,2.3,4,7,8-HxCDF-13C 2.00 86 1,2,3,7,8-PeCDF ND 0.0100 1,2,3,6,7,8-HxCDF-l3C 2.00 51 2,3,4,7,8-PeCDF ND 0.0100 2,3,4,6,7,8-HxCDF-13C 2.00 61 Total PeCDF ND 0.0100 1,2,3,7,8,9-HxCDF-13C 2.00 53 1,2.3,4,7,8-HxCDD-13C 2.00 102 1,2,3.7,8-PeCDD ND 0.0100 1,2,3,6,7,8-HxCDD-13C 2.00 63 Total PeCDD ND 0.0100 1.2.3,4,6,7,8-HpCDF-13C 2.00 65 1,2,3,4,7,8,9-HpCDF-13C 2.00 59 1,2,3,4,7,8-HxCDF ND 0.0100 1.2.3.4.6.7.8-HpCDD-13C 2.00 59 1,2.3,6.7.8-HxCDF ND 0.0100 OCDD-13C 4.00 51 2,3.4.6.7.8-HxCDF ND 0.0100 1,2,3,7,8,9-HxCDF ND 0.0100 1,2,3.4-TCDD-13C 2.00 NA Total HxCDF . ND 0.0100 1,2,3.7,8,9-HxCDD-13C 2.00 NA 1,2,3,4.7.8-HxCDD ND 0.0100 2.3,7.8-TCDD-37Cl4 0.20 68 1.2.3,6,7,8-HxCDD ND 0.0100 1,2,3,7.8.9+lxCDD ND 0.0100 Total HxCDD 0.023 0.0100 J 1,2,3,4,6,7,8-HpCDF ND 0.0100 Total 2,3,7,8-TCDD 1,2,3,4.7.8,9-HpCDF ND 0.0100 Equivalence: 0.00029 ng/m2 Total HpeOF ND 0.0100 (Using ITE Factors)

1,2,3,4,6,7,8-HpCDD 0.020 0.0100 I Total HpCOD 0.019 — 0.0100 J OCDF ND 0.0200 CXJDD 0.2S0 0.0200 LRL s Lower Reporting Limit Cone * Concentration (Tetala indude 2,a,7,B-substrtutod isomers) I ■ Intorferenoo EMPO - Estimated Maximum Ponibia Conoaniration E « PCDE InteWowic© A - Detection Umlt based ext signal-to-nolse meesurament S o Saturated signal J - Conoentration detected to below the calibration range ND B N« Detactad B - Last than to limes higher man method Wank level NA-Not Appicable P» Recovery outside of target range NC s Not Calculated Nn ■ Value obtained tram additional analysis * = Sea DtscuBSton Report No.... 02-1054414

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

CITY_21MC100_002879181

NYC-WTC_000218505