CBPL methods do not include proprietary information such as ASTM Standards.
Cork and articles of cork
Fiber Analysis: Qualitative (AATCC 20)
Fiber Analysis: Quantitative (AZTEC 20A)
Standard Guide for Reflected-Light Photomicrography (ASTM E 883)
Standard Practice for General Techniques for Obtaining Qualitative Infrared Spectra for Qualitative Analysis (ASTM E 1252)