NYC-WTC_000219415

NYC 9/11 Public Portal Document

JAN-OS-02 11:12 FROM-PACE ANALYTICAL G12-B07-E444 T-510 PC12/06 F-614 1700 EIrn Street - Suite 200

/^^^ceAnalvticar { ' ■' ’ ' Z D <7- 7. Minneapolis, MN 55414

Tel: 612’607-1700 N Fax: 612- 607.6444 Method 23 Analysis Results Client - ATC Client's Sample ID ATC-1215.89M-DX1 y .C ' Lab Sample ID 103222188 Filenama F20105A_12 Matrix PUF Injected By BAL Dilution NA Amount Extracted 426 m3 Collected 12/15/2001 iCAL Date 01/05/2002 Received 12/18/2001 CCal Filsnamefs) F20105A_02 Extracted 12/19/2001 Method Blank ID BLANK-1385 Analyzed 01/06/2002 07:15 Native Cone EMPC LRL Internal ng's Percent Isomers pg/m3 pg/m3 pg/m3 Standards Added Recovery 2.3,7.8-TCDF ND 0.0047 2,3,7,8-TCDF-13C 2.00 62 Total TCDF 0.072 0.0047 2,3,7,8-TCDD-13C 2.00 71 1,2,3,7,B-PeCDF-13C 2.00 73 2,3.7,8-TCDD ND 0.0047 1,2,3,7,8’PeCDD-13C 2.00 61 Total TCDD 0.057 0.0047 1,2,3,6,7,8-HxCDF-13C 2.00 67 1,2,3,6.7,8-HxCDD-13C 2.00 69 1.2.3,7,8-PeCDF ND 0.0230 1.2,3.4.6.7,8-HpCDF-13C 2.00 83 2,3,4.7,8-P6CDF ND 0.0230 1,2,3,4,6,7,8-HpCDD-13C 2.00 70 Total PeCDF ND 0.0230 OCDD-13C 4.00 76

1,2,3,7,8-PeCDD ND 0.0230 Recovery Total PeCDD 0.025 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-l3C 2.00 NA 1.2.3.6,7,8-HxCDF ND 0.0230 2,3,4,6,7,8-HxCDF ND 0.0230 Surrogates 1,2,3,7,8,9-HxCDF ND 0.0230 2,3,7,8-TCDD-37Cl4 2.00 103 Total HxCDF ND 0.0230 2,3,4,7,8’PeCDF-13C 2.00 79 1,2,3,4,7,8-HxCDF-13C 2.00 107 1.2,3,4,7,8-RxCDD ND 0.0230 1,2,3,4,7,8-HxCDD-13C 2.00 131 P 1,2.3,6,7,8-HxCDD ND 0.0230 1.2,3.4.7,8,9-HpCDF-13C 2.00 96 1,2.3.7.8.9-HxCDD ND 0.0230 Total HxCDD 0.041 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 NO 0.0230 Equivalence; 0.00043 pg/m3 Total HpCDF ND 0.0230 (Using ITE Factors)

1,2,3,4.6.7.8-HpCDD 0.031 0.0230 J Total HpCDD 0.062 0.0230 J OCDF ND 0.0470 OCDD 0.130 0.0470 J

Cone « Conoenvation (Totals include 2,3,7,8-substitutsd isomers]. 1 = Interference EM PC « Estimated Maximum Possible Concentration E = PCDE interference URU - Lower Repertinfl Limit 5 = Saturated signal J « Concentration detected Ie below the calibration range ND a Not Detected B K Lees 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 A = Detection Limit based on signal to noise Report No..... 01-1052342

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

CITY_21MC100_002880294

NYC-WTC_000219416