NYC-WTC_000219415

NYC 9/11 Public Portal Document

JAN-DB-OZ 11:13 FROM-PACE ANALYTICAL 612-B07-6444 T-510 P.OB/OS F-B14

^/^^ceAnalvticar 13(4. t. 1700 Elm Street - Suite 200 Minneapolis, MN 55414

TbI; 612-607.1700 Fax. St2- nn7-f.444 Method 23 Analysis Results Client - ATC aient's Sample ID ATC-1215-89M-DX5 Lab Sample D 103222220 Filename F20105A_16 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 Filename(s) F20105A_02 Extracted 12/19/2001 Method Blank ID BLANK-13fiS Analyzed 01/06/2002 10:33 Native Cone EMPC LBL Internal ng's Percent Isomers pg/m3 pg/m3 pg/m3 Standards Added Recovery 2,3,7,8-TCDF ND ---- 0.0089 A 2,3,7,8-TCDF-l3C 2.00 57 Total TCDF ND — 0.0047 2,3,7,8-TCDD-13C 2.00 61 1,2.3.7,8-PeCDF-13C 2.00 73 2,3,7,8-TCDD ND 0.0062 A 1,2,3,7,8-P6CDD-13C 2.00 62 Total TCDD ND 0.0047 1,2,3,6,7,8.HxCDF-13C 2.00 68 1,2,3,6,7,8-HxCDD-13C 2.00 72 1,2,3,7,8-PeCDF ND 0.0230 1,2,3.4.6.7,8-HpCDF-13C 2.00 80 2,3,4,7.8-PeCDF ND 0.0230 1,2,3,4,6,7,8-HpCDD.13C 2.00 74 Total PeCDF ND 0.0230 OCDD-13C 4.00 72 1,2,3,7,8’PeCDD ND 0.0230 Recovery Total PeCDD ND 0.0230 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 2.3.4,6,7,8-HxCDF ND 0.0230 Surrogates 1,2,3.7.8,9-HxCDF ND 0.0230 2,3,7.8-TCDD-37Cl4 2.00 110 Total HxCDF ND 0.0230 2,3.4,7,8-PeCDF-13C 2.00 84 1.2,3,4.7,8-HxCDF-l3C 2.00 112 1,2,3.4,7.8.HxCDD ND 0.0230 1.2.3.4,7,8-HxCDD-13C 2.00 127 1,2,3,6.7.8-HxCDD ND 0.0230 1,2,3,4.7.8,9-HpCDF-13C 2.00 95 1.2,3.7.8.9-HxCDD ND 0.0230 Total HxCDD ND 0.0230 1,2,3,4,6.7.8-HpCDF ND 0.0230 Total 2,3,7.8-TCDD 1,2,3.4.7,a.9-HpCDF ND 0.0230 Equivalence: 0.00 pg/m3 Total HpCDF ND 0.0230 (Using ITE Factors) 1,2,3,4.6.7,8-HpCDD ND 0.0230 Total HpCDD ND 0.0230 OCDF ND 0.0470 QCDD ND 0.0470

Cone ® Concentration (Totals include 2.3.7,8-suballtuted isomers). I = intertarence EMPC = Estimated Maximum Possible Concentration E = PCDE Interterenoe URL » Lower Reporting Limit S = Saturated signal J » Concentration detected Ie below tba calibration range ND = Not Detected B s Less than 10 times higher than method blank level NA - Not Appticabe P = Recovery outside of target range ND = Not Calculated Nn = Value obtained from additional analysis A 3 Detection Limit based on signal to noise Report No.... 01-1052342

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

CITY_21MC100_002880298

NYC-WTC_000219420