NYC-WTC_000213019

NYC 9/11 Public Portal Document

1700 Hm Street - Suita 200 Minneapolis, MN 66414

^ace Analytical__________ Method 8290 Analysis Results Tel:612-607-l700 Fax- 61 Br'7.AiU4

Client - ATC Client’s Sample ID ATC-0427-STY-DXa Lab Sample ID 103513537 Filename U20529A_14 Injected By CVS Total Amount Extracted 0.66 g Matrix DUST % Moisture NA Dilution NA Dry Weight Extracted NA Collected 04/27/2002 ICAL Date 04/16/2002 Received 05/01/2002 CCal Fiiename(s) U20528B_04 & U20529A_16 Extracted 05/20/2002 Method Blank IO BLANK-1633 Analyzed 05/29/2002 20:10 Native Cone EMPC LRL Internal ng’s Percent Isomers ng/Kg ng/Kg ng/Kg Standards Added Recovery 2,3,7.8-TCDF 33 3.0 E 2,3.7,8-TCDF-13C 2.00 58 Total TCDF 500 3,0 2,3,7,8-TCDD-13C 2.00 82 1,2.3,7,8-PeCDF-13C 2.00 56 2,3.7.8-TCDD ND 3.6 A 2,3,4,7.8-PeCDF-13C 2.00 58 Total TCDD 530 3.0 1,2.3,7,8-PeCDD-13C 2,00 65 1,2,3,4.7.8-HxCDF-13C 2,00 96 1,2,3,7,8-PeCDF 32 15.0 J 1.2,3,6.7,8-HxCDF-13C 2,00 87 2,3.4,7,8-PeCDF 62 15.0 J 2,3,4,6.7,8-HxCDF-13C 2,00 92 Total PeCDF 590 15.0 1,2.3.7,8,9-HxCDF-13C 2.00 90 1,2,3.4.7.8-HxCDD-13C 2.0Q 126 1,2,3.7,8-PeCDD 33 29.0 lA 1,2,3,6,7.8-HxCDD-l3C 2.00 73 Total PeCDD 390 15.0 1,2,3,4,6,7.8-HpCDF-13C 2.00 99 1,2,3,4,7,8,9-HpCDF-13C 2.00 105 1.2.3.4,7.8-HxCDF 130 15.0 E 1,2.3,4,6,7,8-HpCDD-13C 2.00 119 1,2.3,6,7,8-HxCDF 88 15.0 E OCDD-13C 4.00 105 2,3,4,6,7,8-HxCDF 68 15.0 J 1,2,3.7.8,9-HxCDF 31 15.0 I 1,2,3,4-TCDD-13C 2.00 NA Total HxCDF 390 15.0 1,2.3,7,8,9-HxCDD-13C 2.00 NA 1,2,3,4,7,8-HxCDD 37 15.0 J 2,3,7.8-TCDD-37Cl4 0.20 86 1,2,3,6.7.8-HxCDD 62 15.0 J 1,2,3,7,8.9-HxCDD 43 15.0 J Total HxCDD 1100 15.0 1,2,3,4,6,7,8-HpCDF 620 15.0 Total 2,3.7.8-TCDD 1,2,3,4.7,a,9-HpCDF ND 31.0 A Equivalence; 69 ng/Kg Total HpCDF 620 15.0 (Using ITE Factors) 1,2.3,4,6,7,8-HpCDD 510 15.0 Total HpCDD 970 15.0 OCDF 810 30.0 OCDD 3400 30.0 Results reported on a total weight basis URL = Lower Reporting Limit Cone - Concentration (Totals indude 2,3,7,8-suhslituted iaorners) I a Interference EMFC a Estimated Maximum Possibia Concentration E = PCDE Intorferenca A a Detection Limit tsasM on signat-to-noise measurement S - Saturated signal J a Conoerttratian detected b below the oallbraijon range ND = Not Detected B = Less than 10 times higher than method blank level NA = NotAppiicatJle P s Recovery outside of target range NC = Not Calculated Nn a Value obtained from addttiomi analysis • = See Discussion Report No.... 02-1057132

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in lull, without the written consent of Paco Analytical Senrices, Inc.

CITY_21MC100_002867947

NYC-WTC_000213026