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ASTM WK98078
Revision of D8404-21 Standard Practice for Preparation of Soil Samples by Ammonium Bifluoride-Nitric Acid Digestion for Subsequent Analysis for Metals and Metalloids Rationale: Update and 5-year review. Changes in blue are a result of comments during prior committee ballot. Only these changes are balloted.
Date Initiated: 02-12-2026
Technical Contact: Kenneth White