NYC-WTC_000213019

NYC 9/11 Public Portal Document

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weAnalvticar_________ Method 8290 Analysis Results Tel; 612-607-1700 Fay 612-607-6444

Client - ATC Client's Sample ID ATC-0427-STY-DX5 Lab Sample ID 103513503 Filename F20525B_03 Injected By BAL Total Amount Extracted 0.45 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 Fitename(s) F20525A_17& F20525B_16' Extracted 05/20/2002 Method Blank ID BLANK-1633 Analyzed 05/26/2002 08:17 Native Cone EMPC LRL Internal ng's Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery 2,3,7,8-TCDF 51 8.7 EA 2,3,7,8-TCDF-13C 2.00 74 Total TCDF 770.0 4.4 2,3,7,8-TCDD-13C 2.00 76 1,2,3,7,8-PeCDF-13C 2.00 75 2,3,7.8-TCDD 8.1 6.6 JA 2,3.4,7,8-P9CDF-13C 2.00 75 Total TCDD 1200.0 4.4 1,2,3,7,8-P0CDD-13C 2.00 76 1,2,3,4,7,8-HxCDF-13C 2.00 96 1,2,3,7.8-PbCDF 61 22.0 E 1,2,3,6,7.8-HxCDF-13C 2.00 88 2,3,4,7,8-PeCDF 80.0 22.0 J 2,3,4,6,7.8-HxCDF-13C 2.00 98 Total PeCDF 540.0 22.0 1,2,3.7,8.9-HXCDF-13C 2.00 103 1,2.3.4.7,8-HxC;DD-13C 2.00 84 1,2,3,7,8-PeCDD 24 22.0 I 1,2,3,8,7,8-HXCDD-13C 2.00 96 Total PeCDD 690.0 22.0 1,2,3.4,6,7,8-HpCDF-13C 2.00 89 1,2,3,4.7,8,9-HpCDF-13C 2.00 78 1,2,3.4.7.8-HxCDF 53 22.0 E 1,2,3.4.6,7,8-HpCDD-13C 2.00 95 1.2,3,6,7,8-HxCDF 90 22.0 E 0CDD-13C 4.00 76 2,3,4,6,7,8-HxCDF 78.0 22.0 J 1,2,3,7,8.9-HxCDF ND 22.0 1,2,3,4-TCDD-13C 2.00 NA Total HxCDF 370.0 22.0 1,2,3.7.8,9-HxCDD-13C 2.00 NA 1,2,3.4,7,8-HxCDD 32.0 22.0 J 2,3.7.8-TCDD-37CW 0.20 75 1,2,3.6,7,8-HxCDD 51.0 22.0 J 1,2.3,7,8,9-HxCDD 42.0 22.0 J Total HxCDD 1300.0 22.0 1.2,3,4,6,7.8-HpCDF 320.0 22.0 Total 2,3.7,8-TCDD 1,2,3,4.7,8,9-HpCDF ND 24.0 A Equivalence: 80 ng/Kg Total HpCDF 320.0 22.0 (Using ITE Factors) 1.2,3,4,6,7,8-HpCDD ' 490.0 22.0 Total HpCDD 840.0 22.0 OCDF 330.0 44.0 OCDD 3500.0 44.0 Results reported on a total weight basis LRL = Lower Reporting Limit Cone 3 concentration (Totals include 2,3,7,S-3ul3stltuted isomers) 1 = Interteranca EMPC R Estimated Maximum Possible Concerrttatton E » PCDE Intsrierence A » Detection Limit based on sIgnaJ-to-noise measurement S = Saturated signal J = Concentration detected is the calibration range ND = Not Detected B a Less than 10 times higher than mothod blank level NA = Not ApplicabiB P > Recovery outside of target range NC = Not Calculated Nn = Value obtained Irom additional analysis • s Sea Discussion Report No.... 02-1057132

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CITY_21MC100_002867944

NYC-WTC_000213023