NYC-WTC_000219415

NYC 9/11 Public Portal Document

JAN-08-C2 11:12 FROM-PACE ANALYTICAL 612-S07-B444 T-510 P.03/0E F-614 1700 Elm Street - Suite 200 Minneapolis, MN 55414 TM

^ace Analytical /- 1«T I ‘

Method 23 Analysis Results ~ t |*V ! Tel: 612-607-1700 Fax; 612- gOT-BMA

Client-ATC Client's Sample ID ATC-1215-89M-DX2 t /‘ft / Li Lab Sample ID 103222196 Filename F20105A_13 Matrix PUF Injected By BAL Dilution NA Amount Extracted 432 m3 Collected 12/15/2001 ICAL Date 01/05/2002 Received 12/18/2001 CCa! Filename(s) F20105A_02 Extracted 12/19/2001 Method Blank ID BLANK-1385 Analyzed 01/06/2002 08:05 Native Cone EMPC URL Internal ng's Percent Isomers P0/m3 pg/m3 pg/ms Standards Added Recovery 2,3,7.8-TCDF 0.013 — 0.0047 JA 2,3,7,8-TCDF-13C 2.00 64 Total TCDF 0.240 — 0,0046 2,3,7.8-TCDD-13C 2.00 74 1,2.3,7,8-PeCDF-13C 2.00 85 2.3,7,8-TCDD ND 0.0060 A 1,2.3,7,8-PeCDD-13C 2.00 75 Total TCDD 0.420 0.0046 1.2,3.6,7,8-HXCDF-13C 2.00 75 1,2,3,6,7,8-HxCDD-13C 2.00 86 1,2,3,7,8-PeCDF ND 0.Q230 l,2,3,4,6,7,8-HpCDF-l3C 2.00 89 2.3,4,7,8-PeCDF ND 0.0230 1,2,3,4,6,7.8-HpCDD-13C 2.00 82 Total PeCDF ND 0.0230 OCDD-13C 4.00 90 1,2,3,7,8’PeCDD ND 0.0230 Recovery Total PeCDD 0.076 0.0230 J Standards 1.2.3.4-TCDD-13C 2.00 NA 1,2.3,4,7,8-HxCDF ND 0,0230 1,2,3,7,8,9-HxCDD-13C 2.00 NA 1,2,3,6,7.8-HxCDF ND 0.0230 2.3.4.S.7,8-HxCDF ND 0.0230 Surrogates 1,2,3,7.8,9-HxCDF ND 0.0230 2,3.7,8-TCDD-37CI4 2.00 101 Total HxCDF ND 0.0230 2,3,4.7,8'PeCDF-13C 2.00 82 1,2,3,4.7,8-HXCDF-13C 2.00 101 1,2,3,4,7,8-HxCDD ND 0.0230 1,2,3,4,7,8-HxCDD-13C 2.00 102 1,2,3,6,7,8-HxCDD ND 0.0230 1,2,3,4.7.8,9-HpCDF’13C 2.00 97 1.2,3,7,8.9-HxCDD ND 0.0230 Total HxCDD 0,040 0.0230 J 1.2,3,4,6,7,8-HpCDF ND 0.0230 Total 2.3,7,8-TCDD 1.2,3.4,7,8.9-HpCDF ND 0.0230 Equivalence: 0.0023 pg/m3 Total HpCDF ND 0.0230 (Using ITE Factors)

1.2,3,4,6,7,8-HpCDD 0.057 0.0230 J Total HpCDD 0.100 0.0230 J OCDF 0.053 0.0460 J OCDD 0.370 0.0460

Cone s Concentration (Totals include 2,3,7,8-substituted Isomers). I«imertarence EMPC ■ Estimaied Maximum Possible Concentration E * PCDE Intsrterence LRU ■ Lower Reporting Limit S = Saturated signal J B Concentration detected is below the calibration range NO = Not Oetoctad B s Lees than 10 times higher then method blank level NA = Not Applicable P - Reoovery outside of target range NC s Not Calculated Nn = Value obtained from additional analysis A B Detection Limit based on signal to noise Report No.... 01-1052342

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

CITY_21MC100_002880295

NYC-WTC_000219417