NYC-WTC_000204954

NYC 9/11 Public Portal Document

1700 Bm Street - Sults 200 Minneapolis, WIN 25414

Anaivticar Method 8290 Analysis Results Tai; 612-S07-1700 Fcix; 312- ^77.3^44

Client - ATC Client's Sample ID ATC-0427-STY-DX15 Lab Sample ID 103513370 74 Filename - 7 F2O523A_13 4 Injected By BAL Total Amount Extracted 0.19 g Matrix DUST % Moisture NA Dilution NA . Dry Weight Extracted NA Collected 04/27/2002 ICAL Date 05/04/2002 Received 05/01/2002 CCal Fi!ename{s) F20523A_05 & F20523A_20 Extracted 05/20/2002 7 Method Blank ID jY BLANK-1B33 . Analyzed 05/23/2002 22:41 . U Native Cone EMPC LRL Internal ng’s Percent Isomers ng/Kg ng/Kg ng/Kg . Standards Added Recovery -7 2,3.7,8-TCDF 14.0 JA 2,3,/,S-TCDF-13C .

I ; Total TCDF TaS Y = 11.0 2,3,7,8-TCDD-13C 1.2,3.7.8-PeCDF-13C 2.00 7 2,3,7,8-TCDD ND 20.0 A 2.3,4,7,8-PeCDF.13C 7 TotalTCDD 310 11.0. 1,2,3.7,8-P©CDD-13C 1,2.3,4,7,8-HxCDF-13C 2.00 : ND 53.0 1,2.3.6.7,8-HxCDF'13C 2,3,4.7,8-P6CDF 63 53.0 J 2,3,4,S,7,8-HxCDF-13C 2.00 7‘ Total PqCDF ; 280 53.0 J 1,2,3.7,8,9-HxCDF-l3C 2,00 , Y 79 ; ; 1.2,3.4,7,a-HxCDD-13C 2.Q0 / ■ T, 1,2,3.7,8-PeCDD I' 7 ND 7 53.0 1 .2,3,6,7,8-HxCDD-13C 2.00 ? 7 Total PsCDD ; 7 / 7 7 - 350. 7 2.00 a:- 7 2.00 77,:,./ J 36 IP^Yv 7 2.00 35.1P7 4.007.47 740 7 7 .7 7 2,3,4,6,7,8-HxcDF 77 Ji 140 Y7Y.1A3.7.8.9-HXCDF ND 7 1,2.3,4-TCDD-13C ■ 2.00 S;r-NA-? 7 . Total HxCDF 77 440;; 53.0 7 1,2.3.7,8,9-HxCDD-13C Y 2.00 YY / NA' 7

Y 1,2,3.4,7.8-HxCDD ’ 53 53.0 J -7 i 2,3.7,8.TCDD-37CI4 O.2O 47 YT'- j 84, '4’' 1,2,3,S,7,8-HxCDD 73 Y; 1,2.3.7,8.9-HxCDD t7 737 Total HxCDD Y 1700 . ' ■ 53.0 7

. 1,2.3,4,6,7,8-HpCDF 7 540 . 53.0 Total2.3,7,8-TCDD 1,2,3,4,7,8,9-HpCDF 120 53.0: J Equivalence: 95 ng/Kg Y Y Total HpCDF 660 53,0 (Using ITE Factors) 1,2,3,4,S,7,8-HpCDD Total HpCDD . 7YISg 4 53.0 7• ■777, 1200 Y 7- OCDD 8100

Results reported on a total weight basis LHL = Lowsr Reporting Limit Carte = Concentration (Totals include 2,3,7,8-sufcstituTsd isomers) I s Interfsronca EM PC = Estimated Maximum Possible Concentration e = PCDE Interference A = Detection Limit based on signaJ-to-ooise measurement S = Saturated signal J = Concentration detected is below the calibration range ND = NotDetacted B = Lass than 10 times higher than method blank level NA = Not Applicable P = Recovery outside of target range NC » Not Calculated Nn = Value obuined from additional analysis . 7 ’ = Sea Discussion 4 Report' No..„,02’1057132

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

CITY_21MC100_008987358

NYC-WTC_000204957