Analytical laboratory reports attachment for PCDDs and PCDFs, 2008

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-1 Pace Attali/tieal Senriees, lac. 1700 Eim Street, Suite 200 ' - I ^ceAnalyticar / www.pacelabs.com * Minneapolis, MN 55414 Phone: 612.607.1700 Fax: 612.607.6444 TABLE 4. High Resolution Calibration Solutions Concentration (pg/uL) Native CDDs/CDFs CS1 CS2 css CS4 CSS 2,3,7,8-TCDD 0.5 2 10 40 200 I- 2,3,7,8TCDF 1,2,3,7,8-PeCDDV 1,2,3,7,8-PeC.D.F 0.5 2.5 2.5 2 10 10 10 50 50 40 200 200 200 1000 1000 8 2,3,4,7,8-PeCDF 1,2,3,4,7^S-HxCDD 2.5 2.5 10 10 50 50 200 200 1000 1000 1,2,3,6,7,8-HxCDD 2.5 10 50 200 1000 1,^fa8,9-HxCDD 2.5 10 50 200 1000 1^,4,7,8-HxCDF 2.5 10 50 200 1000 ,>R,2,3,6,7,8-HxCDF 2.5 10 50 200 1000 1,2,3,7,8,9-HxCDF 2.5 10 50 200 1000 2,3,4,6,7,8-HxCDF 2.5 10 50 200 1000

a 1,2,3,4,6,7,8-HpCDD 2.5 10 50 200 1000 1,2,3,4,6,7,8-HpCDF 2.5 10 50 200 1000 1,2,3,4,7,8,9-HpCDF 2.5 10 50 200 1000 OCDD 5.0 20 100 400 2000 OCOF 5.0 20 100 400 2000

Internal Standards 2,3,7,8-TCDD-’^Ci2 100 100 100 100 100 2,3.73-TCDF-”C,2 100 100 100 100 100

a 1,2,3,7,8-.PeCDD-”Ci2 1,2,3,7,8-PeCDF-^3Ci2 2,3,4,7,8-PeCDF-”C,2 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

a 1,2,3,4,7,8-HxCDD-^3C,2 1,2,3,6,7,8-HxCDD-’®C,2 1,2,3,4,7,8-HxCDF-’®C,2 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 1,2,3,6,7,8-HxCDF-’3Ci2 100 100 100 100 100 1,2,3,7,8,9-HxCDF-’®Ci2 100 100 100 100 100 2,3,4,6,7,8-HxCDF-’3Ci2 100 100 100 100 100 I 1,2,3.4,6,7,8-HpCDD-”C,2 l,2,3,4,6,7,8-HpCDF-^3Ci2 1,2.3.4,7.8,9-HpCDF-’®Ci2 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 OCDD-^3Ci2 200 200 200 200 200 g Recovery Standards 1,2,3,4-TCDb-’’C,2 100 100 100 100 100 1,2,3,7,8,9-HxCDD-’’C,2 100 100 100 100 100

Enrichment Efficiency Standard 2,3,7,8-TCDD-3 ’Cl4 0.5 2 10 40 200 ■' 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except In full, without the written consent of Pace Analytical Services, Inc.

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