A new electronic reporting system the EPA has suggested as part of a proposed rule revision could save chemical manufacturers time, but other aspects of the rule could be time-consuming, policy analysts said.

The Environmental Protection Agency’s proposed revisions to its Chemical Data Reporting rule (RIN:2070-AK33) would require companies that make or import chemicals above specified thresholds, generally 25,000 pounds a year, to every four years provide details such as their production volume, general ways the...