Determination of Bulk Density; Cubic Foot Weight of Crushed Bituminous Coal Applicability: This procedure applies to the determination of uncompacted weight per cubic foot of crushed coal in bituminous coal samples. Purpose: The purpose of this procedure is to determine uncompacted weight of bituminous coal for purposes such as that of charging coke ovens. Ask an Expert Call 412.833.7766 for a quote or if you have a question about a testing method. Or, reach us online 24/7: Contact Us Methods ASTM D291 – 07 (2012): Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal Conti Testing Laboratories SOP-C-228