NYC-WTC_000204954

NYC 9/11 Public Portal Document

^/b^ceAnalvticab 1700 Elm Street - Suita 2Q0 Minneapolis, MN 55414

Tel; 612-607-1700 Pay; 61 ?- 607-6444 Method 8290 Analysis Results Client - ATC b Client's Sample ID Lab Sample ID ATC-0427-STY-DX16 103513388 Filename F20523A_14 injected By 7 BAL ■ 7: Total Amount Extracted 0.07 g Matrix DUST % Moisture NA Dilution NA Dry Weight Extracted NA Collected 04/27/2002 iCALDate 05/04/2002 Received 05/01/2002 CCal Filenam8(s) F2Q523A_05 & F20523A_201 Extracted 05/20/2002 Method Blank ID 7. BLANK-1633 Analyzed 05/23/2002 23:29 Native Cone EMPC LRL Internal T ng's Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery , 2,3,7,8-TCDF 7lg 7 “ 77 11^ 2,3,7,8-TCDF-13C '2.00 . Total TCDF . 2,3,7.8-TCDD-13C 2.00 1.2,3.7.8-PeCDF-13C 2.00 2,3,7,8-TCDD - ND 2,3,4,7,8-PgCDF-13C Total TCDD , 260 1,2,3.7,8-PeCDD-13C . 1,2,3,4,7,8-HxCDF-13C 1,2,3.7.8-PeCDF y ND 1,2.3,6,7,8-HxCDF-13C 2.00 2.3,4,7,8-PeCDF Total PeCDF '7 ND IS 140 2,3,4,6,7,8-HxCDF-13C V 1,2.3,7,8,9-HxCDF-13C 2.00 . ^22 r^’2’^’7-8-H^CDD-13C 7 7' 2.OO Y 7 ■ T,2.3.7,8-PeCDD 7 ND 7, 7 140 1,2,3,6.7.8-HxCDD-13C 7 7 2.00 /YY Total PeCDD 220 ■ 140 ' 1.2,3.4,7.8,9-HpCDF-13C ' 2.00 7 . 1,2,3,4,7,8-HxCOF 7 140 7 1,2,3,4,6,7,8-HpCDD-13C / 2,00 Y 7; 39 IP ' 1,2,3,6,7.8-HxCDF 2,3,4,6.7,8-HxCDF ND Ai / ■ US OCDD-13C 7;„ 77-7 ' .Y 4,00 49 7 1,2.3.7,8,9-HxCDF 7 ; Total HxCDF ND ./ 150 : 'Y1?7 1,2.3,4-TCDD-13C , 1,2,3,7,8.9-HxCDD-13C - 2.00 2.00 ■Y NA < Y -1,2,3,4,7,S-HxCDD ND ' 2,3,7.8-TCDD-37CI4 ■ YY 7; ' 87 ■ Y 1.2,3,e,7,S-HxCDD ND 1,2,3,7.8,9-HxCDD ND Y Total HxCDD 7 7 670 y' 140;.: 1,2,3,4.6,7,S-HpCDF 360 140 J Total 2.3,7,S-TCDD 1,2.3,4.7,8,9-HpCDF . ND 140 Equivalence: 22 ng/Kg Total HpCDF - : Y' 620 ’ 140 J (Using ITE Factors) 7 7 1,2,3,4,6,7,8-HpCDD 77 : 7907 Total HpCDD YYY; 1800 7 ' ;: OCDF ; 7 Y 650 7 7 290 J ' OCDD 5200 290 Results reported on a total weight basis LRL s Lower Reporting Limit . Cone = Concentration {Totals include 2,3,7,S-sjbsDtuted Isomers) I = Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on sigrial-to-noise measurement S = Saturated signal J = Concentration detected is below the calibration range ND = Not Detected B = Loss than 10 times higher than method blank level NA = Not ApplicatNe P = Recovery outside of target range NC = Not Calculated .77' Nn = Value obtained from additional analysis 7 *= See Discussion Y Report No.... 02-1057132

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

CITY_21MC100_008987359

NYC-WTC_000204958