Letter to FDA: 4-Aminophenol Share page: CHPA recognizes the need for modernization of USP monographs. CHPA member companies are dedicated to fulfilling their commitment outlined in the letter to this Planning Committee on February 2, 2011. Download Document Issues: OTC Medicines Acetaminophen Related Posts Press Releases and Statements West Virginia Expands Access to OTC Cold & Allergy Medications Containing PSE Mar 6, 2024 Press Releases and Statements CHPA Statement on Valisure Citizen Petition Mar 6, 2024 Summary of State Sales Tax Jun 1, 2018