NYC-WTC_000226903

NYC 9/11 Public Portal Document

Pace Analytical Services, Inc. 1700 Elm Street - Suite 200 U Minneapolis, MN 55414

^ace Analytical Tel; 612-607-1700 Fax: 612- 607-6444 Method 8290 Laboratory Control Spike Results Client - ATC

Lab Sample ID ' SPIKE-1407 Filename F20107A_12 . Matrix WIPE I Total Amount Extracted ICAL Date CCal Filename(s) 1 Sample 01/02/2002 ■ F20107A_01 & F20107A_15 Dilution Extracted Analyzed NA 01/03/2002 01/07/2002 19:12 Method Blank ID BLANK-.1401 Injected By LMD

Native Qs Qm .% Internal ng's Percent Isomers (ng) (ng) Rec. Standards Added Recovery 2,3,7.8-TCDF 0.20 0.21 106 2,3,7,8-TCDF-13C 2.00 .79 2,3,7,8-TCDD-13C 2.00 87 1,2,3,7,8-PeCDF-13C . 2.00 81' .2,3,7,8-TCDD 0.20 0.21 105 2,3,4,7,8-PeCDF-13C ' 2.00 . 74 'I '1,2,3,7,8-PeCDD-13C 1,2,3,4,7,8-HxCDF-13C • 2.00 2.00 88 101 1,2,3,7,8-PeGDF 1.00 0.98 98 1,2,3,6,7,8-HxCDF-13C 2.00 88 2,3,4,7,8-PeCDF 1.00 1.00 100 2,3,4,6,7,8-HxCDF-13C 2.00 92 ig 1,2,3,7,8,9-HxCDF-13C 2.00 103 1,2,3,4,7,8-HxCDD-13C 2.00 107 1,2,3,7,8-PeCDD 1.00 1.04 104 1,2,3,6,7,8-HxCDD-13C 2.00 88 . 1,2,3,4,6,7,8-HpCDF-13C 2:oo 109 1,2,3,4,7,8,9-HpCDF-13C 2.00 123. 1,2,3,4,7,8-HxCDF 1.00 1.06 106 1,2,3,4,6,7,8-HpCDD-13C 2.00 127

i' 1,2,3,6;7,8-HxCDF 2,3,4,6,7,8-HxCDF 1,2,3,7,8,9-HxCDF 1.00 1.00 1.00 TSI 1.08 108 107 108 OCDD-13C 1,2,3,4-TCDD-13C 4.00 2.00 105 NA 1,2,3,7,8,9-HxCDD-13C ioo NA 1.2,3,4,7,8-HxCDD 1.00 1.13 113 , 2.3,7.8-TCDD-37CI4 0.20 93 . 1,2,3,6,7,8-HxCDD 1.00 1.12 112 la 1,2,3,7,8,9-HxCDD 1.00 1.18 118

1,2,3.4.6,7,8-HpCDF 1.00 1.09 109 1,23.4,7,8,9-HpCDF 1.00 1.11 111

1,2,3,4,6,7,8-HpCDD 1.00 1.08 108

OCDF 2.00 2.29 115 OCDD 2.00 2.21 110

Qs = Quantity Spiked , g Qm = Quantity Measured Rec. = Recovery (Expressed as Percent) P = Recovery outside of target range X = Background subtracted value Nn = Value obtained from additional analysis NA = Not Applicable • = See. Discussion Report No.... 01-1052682

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

CITY_21MC100_002896272

NYC-WTC_000226925