see also: in Customs and Border Protection Laboratory (CBPL) Methods:   Download All CBPL Methods (zip - 6,405 KB.)   Chapter 4   Chapter 7   Chapter 8   Chapter 9   Chapter 11   Chapter 12 ...more on cbp.gov:   Download All CBPL Methods (zip - 6,405 KB.)

Chapter 26

(06/16/2008)CBPL methods do not include proprietary information such as ASTM Standards. (

Ores, slag and ash

26-01
Test Method for Iron in Iron Ores and Related Materials by Hydrogen Sulfide Reduction and Dichromate Titration (ASTM E 246)

26-02
Test Methods for Manganese Dioxide in Manganese Ores (ASTM E 465)

26-03
Test Method for Chemical Analysis of Zinc Ores, Concentrates and Related Materials (ASTM E 945)

26-04
Test Method for Chromium Oxide in Chrome Ores (ASTM E 342)

26-05
Test Method for X-Ray Fluorescence Analysis of Tantalite and Columbite Ores and Slags by Lithium Tetraborate Fusion Technique Utilizing Internal Standards (ASTM E 1244)

26-06
Standard Test Method for Spectrographic Analysis of Ores, Minerals and Rocks by the Fire Assay concentration Technique (ASTM E 400)