Environment Protection Agency issued ultimate regulation on August 19, 2015 that it will exempt maximum residual limit of methane sulfonic acid under certain conditions.

According to new regulation, when methane sulfonic acid is used in animals as acidifier, maximum residual limit is 3.0% (based on weight). When it is used in public catering sites, dairy processing equipment and food processing equipment and tools as inert ingredient of antibiosis pesticide formula  and dosage is not over 5,000ppm, residual limit will be exempted.

The regulation will take effect since the announcement date. Deadline of consultation is on October 19, 2015.

Link to original text:

<https://www.federalregister.gov/articles/2015/08/19/2015-20252/methane-sulfonic-acid-exemption-from-the-requirement-of-a-tolerance>