NYC-WTC_000219415

NYC 9/11 Public Portal Document

JAN-08-02 11:13 FROM-PACE ANALYTICAL B12-B07-6444 T-5J0 P-D5/0B F-ei4

^/^^ceAnalvticar 1700 Elm Street - Suits 200 Minneapolis. MN 55414

Tel; 612-607-1700 I I/' . Y Fax: 61?- 607-6444 Method 23 Analysis Results Client ■ ATC Client's Sample ID ATC-1215-89M-DX4 Lab Sample ID 103222212 Filename F2O1O5A_15 Matrix PUF Injected By BAL Dilution NA Amount Extracted 446 m3 Collected 12/15/2001 ICALDate 01/05/2002 Received 12/18/2001 CCal Filename(s) F2O105/C02 Extracted 12/19/2001 Method Blank ID BLANK-1385 Analyzed 01/06/2002 09:43 Native Cone EMPC LRL Internal ng's Percent Isomers pg/ms pg/m3 pg/m3 Standards Added Recovery 2.3.7,a-TCDF ND —- 0.0072 A 2,3,7,8-TCDF-13C 2.00 65 Total TCDF 0.024 — 0.0045 2,3,7,8-TCDD-13C 2.00 70 1.2.3,7,8-PeCDF-13C 2.00 77 2,3.7,8-TCDD ND 0.0065 A 1,2,3,7.8-PeCDD-13C 2.00 65 Total TCDD 0.016 0.0045 J 1.2.3,6.7,8-HxCDF.13C 2.00 64 1,2,3,6,7.8-HxCDD-13C 2.00 65 1,2,3,7,8-PeCDF ND 0.0220 1,2,3.4,6,7,8-HpCDF-13C 2.00 81 2,3.4,7,8-PeCDF ND 0.0220 1,2.3.4,6,7.8-HpCDD-13C 2.00 73 Total PeCDF ND 0.0220 OCDD-13C 4.00 75 1,2,3,7,8-PeCDD ND 0.0220 Recovery Total PeCDD ND 0.0220 Standards 1.2,3,4-TCDD-13C 2,00 NA 1,2,3.4,7.8-HxCDF ND 0.0220 1.2,3,7,8,9-HxCDD-13C 2.00 NA 1.2,3,6,7,8-HxCDF ND 0.0220 2,3,4,6,7,8-HxCDF ND 0.0220 Surrogates 1.2,3,7.8.9-HxCDF ND 0.0220 2,3,7,8-TCDD.37CI4 2.00 103 Total HxCDF ND 0.0220 2,3,4,7,8-PeCDF-13C 2.00 79 1,2.3,4,7,8-HxCDF-13C 2,00 127 1,2,3,4,7.8-HxCDD ND 0.0220 l,2,3,4,7,8-HxCDD'13C 2.00 149 P 1,2,3,6,7.8-HxCDD ND 0.0220 1,2,3.4,7,8,9-HpCDF.13C 2.00 95 1,2,3,7,8,9-HxCDD ND 0.0220 Total HxCDD ND 0.0220 1,2,3,4,6.7,8-HpCDF ND 0.0220 Total 2,3,7,8-TCDD 1,2,3,4,7.8,9-HpCDF ND 0.0220 Equivalence; 0.00039 pg/m3 Total HpCDF ND 0.0220 (Using ITE Factors)

1,2,3,4.6,7,8-HpCDD 0.026 0.0220 J Total HpCDD 0.057 0.0220 J OCDF ND 0.0450 OCDD 0.130 0.0450 J

Cone = Concentration (Totals Include 2,3.7,8-substnuted isomers). I = Interferenca EMPC s Estlmattd Maximum Possible Concentration E s PCDE Interference URL a Lower Reporting Limit S 5= Saturated signal J a Concentration deteeied is below me calibration range ND = Not Detected B B Less than 10 times higher than method blank level NA = Not Applicable P B Recovery outside of target range NC s Not Calculated Nn s Value obtained (tom additional analysis A B Detection Limit based on signal to noise Report No.... 01'1052342

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

CITY_21MC1OO_OO288O297

NYC-WTC_000219419