Rationale

Rationale: This standard is being balloted for withdrawal with no replacement because of the following reasons: 1. D7620 compliant apparatus is no longer manufactured. 2. No current active users of D7620 have been recognized by D02.03; for example, no reported ASTM Proficiency Testing Program (PTP) data has been found. 3. This test method was first published in 2010 and has had no technical updates since then. 4. ASTM will continue to provide copies of the current active test method for those that may need it.This standard is being balloted for withdrawal with no replacement because