NYC-WTC_000204954

NYC 9/11 Public Portal Document

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Analytical' Tel: 612-607-1700 F=«(X: SI 2- ACT-SAjU Method 8290 Analysis Results Client - ATC / :• Client's Sample ID ATC-0427-STY-DX18 Lab Sample ID 103513404 Y Filename ■ F20523A_16 Injected By BAL Total Amount Extracted 0.38 9 Matrix DUST % Moisture . NA ­ Dilution NA Dry Weight Extracted NA Collected 04/27/2002 ICAL Date 05/04/2002 Received 05/01/2002 CCal Filenamefs) F20523A_05 & F20523AJ20 Extracted 05/20/2002 Method Blank ID . BLANK-1633 . Analyzed ■ 05/24/2002 01:08 Native Cone EMPC LRL Internal ng’s Percent Isomers ng/Kg ng/Kg n^g Standards Added Recovery 7 7 2.3.7,8.TCpF 29 '0 2,3,7.8J-CDF-13C < 2.00

i ;■ Total TCDF 440.0 2.3,7,8-TCDD.13C ■ 1,2,3.7,8-P9CDF-13C 2.00 2,3,7.8-TCDD Total TCDD 9.2 720.0 Jr 2.3,4,7,S-PeCDF-13C ■ . 1,2,3,7,8-PeCDD-13C / 1,2.3,4,7.8-HxCDF-13C 2.00 2.00 1,2,3,7,B-PeCDF . 26.0 J 1,2,3,6,7,8-HxCDF-13C 2.00 2,3,4,7,8-P0CDF 7 58.0 26,0 J . 2,3,4.6.7,8-HxCDF-13C 2.00

i. Total PsCDF 7 7 370.0 25.0 7 1.2,3.7,8,9-HxCDF-13C / 2.00 1.2,3,4.7.8-HxCDD-13C - 2.00 1,2,3.7,8-PeCDD ; 28 26.0 I 1,2,3,6.7,3-HxCDD-13C 7 2.00 . i Total PeCDD Y\ 42o.o ■ ;■ 26.0; 1,2,3,4,6,7,8-HpCgF.13C; , 2.00<.;- < 1,2.3.4,7,8,9-HpCDF.13C 2.00 : 26.0 E 1.2,3.4,6.7,fi-HpCDD-13C 7 2.00 , 1.2,3.4,7,a-HxCDF 2.3,4,6,7,8-HxCDF 7 ; 7 y:--7:y 55.0 72 70 ----- 3 26.0 E 26.0 J OCDD-13C 3^^ 4.00 £ 1,2,3.7,8.9-HxCDF ND ~- 26.0 1,2,3,4-TCDD-13C 7 7 ; 2 00 < 37 NA 7^ Total HxCDE. i iY 7/. i 370.0 - 26.0 7 ; 1,2.3.7,8,9-HxCDD-13C 2.00 7 3; ; NA - 7 1,2.3A7.8-HXCDD1 , 26.0 j ; 2.3,7.8-TCDD-37CI4 0.20; 1,2,3,6,7.8-HxCDD 1,2,3,7,8,9-HxCDD Total HxCDD • Is .60.0 1100.0 7 26.0 J ■17- 73. 1,2,3.4,6,7,8-ripCDF7 280.0 26.0 Total 2,3.7,8-TCDD 1,2,3,4,7,8.9-HpCDF 7 47.0 26.0 J Equivalence: 76 ng/Kg Total HpCDF 7 320.0 26.0 (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD : 680.0 • Total HpCDD 1300.0 1i;g; Y7 OCDF Y 370.0 7 OCDD 4100.0 53.0 Results reported on a total weight basis LRL = Lower Reporting Umli Cone = Concentration (Totals include 2,3,7,S-substituted isamera) I = Intarferance EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-nolsa maasurament S = Saturated signal J = Concentration detected Is below the calibration range ; ND = Not Detected B = Less than 10 times higher than method blankjevel NA = Not Applicable P = Recovery outside of target range NC = Not Calculated Nn = Value obtained from additional analysis ■ = See Discussion ' I;. Report No.... 02-1057132 ":

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

CITY_21MC100_008987361

NYC-WTC_000204960