NYC-WTC_000204954

NYC 9/11 Public Portal Document

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./ /^^ceAnal^ical'' Tai; 612-607-'! 700 Pax; SI 2- 60^-64^^ Method 8290 Analysis Results Client-ATC Client’s Sample ID ATC-0427-STY-DX17 Lab Sample ID 103513396 . Filename F20523A_15 Injected By BAL ,73 Total Amount Extracted 0.02 g 7:7 Matrix DUST % Moisture NA Dilution NA Dry Weight Extracted NA Collected 04/2772002 ICAL Date 05/04/2002 Received 05/0172002 CCal Filename (s) F20523A 05 & F20523A_20 Extracted 05/20/2002 Method Blank ID BLANK-1633 Analyzed 05/2472002 00:19 Native Cone EMPC Internal ng's 7 Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery 3: 2,3,7,8-TCDF 100 J 2,3,7,8-TCDF-13C

I 3 Total TCDF 3 2i§§ = 100 3 2,3,7,8-TCDD-13C 1.2,3,7,8-PeCDF-13C 2.00 2,3,7,8-TCDD ND 130 A 2,3,4,7,8-PeCDF-13C 2.00 Total TCDD 2800 100 1.2,3,7.8-PeCDD-13C 2.00 . 1,2,3,4,7,8-HxCDF-13C 1,2.3.7,8-PeCDF ND 1,2.3,6,7,8-HxCDF-13C 2.00 2,3.4,7,8-PeCDF ND 500 2,3,4,6,7,8-HxCDF-13C 2.00 3 Total PeCDF 510 500 J 1,2.3,7,8.9-HxCDF-13C 2.00 Y Y 1,2,3,4,7.8-HXCDD-13C : 2.00 85 - - 7 1,2.3,7,a-PeCDD3 ND 500 1.2,3.6.7.8-HxCDD.l3C 2.00: r, Total PeCDD 33 2300 3 500 J • 1,2.3.4.6,7,8-HpCDF13C 2.00 64 33 1,2.3,4,7.8,9-HpCDF-13C 7 2.00 3^ 60 3/ 1,2,3.4,7.8-HxCDF 1,2.3,6.7,8-HxGDF 2,3.4,S.7,8-HxCDF 7:. 7 ND 500

500 ■ / JI / 1,2,3,7,a.3-HxCDF > 7 ND 500 1.2,3,4-TCDD-13C 2.00 NA-- , Total HxCDF . WOO 7 500 J . 1,2,3,7.8,9-HXCDD-13C 2.00 ? ? NA - 3 1.2.3,4,7,8-HxCDD 500 . 2,3,7,8-TCDD-37CI4 3 0.20 80 - 1,2,3.S,7.8-HxCDD 3 ND 3 3. 1,2,3.7,8.9-HxCDD ' ND -500,1 , TotalHxCDD, 3 6000 ' 500/3 1.2,3.4,6.7.8-HpCDF 1500 500 J Total 2,3.7,8-TCDD 1.2.3.4,7.S,9-HpCDF ND 3 500 Equivalence: 69 ng/Kg Total HpCDF : - :7 ; 2200 500 J {Using ITE Factors) 1,2.3,4,6,7,a-HpCDD 3 2500 3-: Total HpCDD 3 3 3 73 5700 3 500 > 3 1500 1000 J 3, ■ OCDD ■ 9300 1000 B Results reported on a total weight basis LRL = Lower Reporting Unit Cone = Concentration (Totals include 2,3,7,8-substnut6d isomers) I = Interference . EMPC = Estimated Maximum Possible Concentration E = PCDE Intarfersnce A = Detection Limit based on signai-to-noiae measurement S = Saturated signal J = Concentration detected is below ths calibration range ND = Not Detected 3 B = Less ihamo times higher than method blank level NA = Not Applicable ■3 P = Recovery outside of target range NC = Not Calculaisd , Nn = Value obtained from additional analysis • = See Discussion Report N0.....O2-1057132

REPORT OF LABORATORY ANALYSIS This report shall not ba reproduced, except in full, without the written consent of Pace Analytical Sarvicea, Inc.

CITY_21MC100_008987360

NYC-WTC_000204959