NYC-WTC_000202123

NYC 9/11 Public Portal Document

Pace Analytical Services, Inc. 1700 Elm Street Suite 200 we Analytical" Minneapolis, MN 55414 Phone: 612.607.1700 www.pacelabs.eom Fax: 612.607.6444 TABLE 4. High Resolution Calibration Solutions Concentration (pq/uLl Native CDDs/CDFs CS1 CS2 CS3 CS4 CS5 2,3,7,8-TCDD 0.5 2 10 40 200 2,3,7,8TCDF 0.5 2 10 40 200 1,2,3,7,8-PeCDD 2.5 10 50 200 1000 1,2,3,7,8-PeCDF 2.5 10 50 200 1000 2,3,4,7,8-PeCDF 2.5 10 50 200 1000 1,2,3,4,7,8-HxCDD 2.5 10 50 200 1000 1,2,3,6,7,8-HxCDD 2.5 10 50 200 TOGO 1,2,3,7,8,9-HxGDD 2.5 10 50 200 1000 1,2,3,4,7,8-HxeDF 2.5 10 50 200 1000 1,2,3,6,7,8-HxCDF 2.5 10 50 200 1000 1,2,3,7,8,9-HxCDF 2.5 W 50 200 1000 2,3,4,6,7,8-HxCDF 2.5 10 50 200 1000 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 OCDF 5.0 20 100 400 2000

Internal Standards 2,3,7,8-TCDD-’®Ci2 100 100 100 100 100 2,3,7,8-TCDF-^®Ci2 100 100 100 100 100 T,2,3,7,8-PeCDD-’3Ci2 100 100 100 100 100 l,2,3,7,8-PeCDF-’’C,2 100 100 100 100 100 2,3,4,7,8-PeCDF-’®C,2 100 100 100 100 100 1 ,2.3,4,7,8-HxCDD-’3C,2 100 100 100 100 100 1,2,3,6,7,8-HxGDD-’3c,2 100 100 100 100 100 1,2,3,4,7,8-HxCDF-^^Ci2 100 TOO 100 100 100 1,2,3,6,7,8-HxCDF-^®Ci2 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-^"G,2 100 100 100 100 100 1,2,3,4,6,7,8-HpCDD- ’3c 100 100 100 100 100 '12 T,2,3,4,6,7,8-HpCDF-’’C 12 100 100 100 100 100 1,2,3,4J,8,9-HpCDF-’"C 12 ' , 100 100 100 100 100 OCDD-^"C,2 200 200 200 200 200

Recovery Standards 1 ,2.3,4-TCDD-’^C,2 100 100 100 100 100 1,2,3,7,8,9-HxCDD-”e,2 100 100 100 100 100

Enrichment Efficiency Standard 2,3,7,8-TCDD-^"Cl4 0.5 2 10 40 200

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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CITY_21MC100_005390305

NYC-WTC_000202136