In observance of Martin Luther King Day Jr. Day, the IAS office in Brea, California is closed Monday, January 20th, 2025. IAS will re-open on Tuesday, January 21st.

In observance of President's Day, IAS offices will be closed Monday, February 17th. IAS will re-open on Tuesday, February 18th.

In observance of Memorial Day, IAS offices will be closed Monday, May 26th. IAS will re-open on Tuesday, May 27th.

IAS Accreditation Committee Hearing The purpose of the hearing is to establish or revise accreditation criteria pertaining to IAS accreditation programs and to inform the public on IAS principles and […]

In observance of Independence Day, the IAS office in Brea, California is closed Friday, July 4th. IAS will re-open on Monday, July 7th.

In observance of Labor Day, the IAS office in Brea, California is closed Monday September 1st, 2025. IAS will re-open on Tuesday, September 2nd.

The 2025 ELAP Symposium will explore the latest in the California Environmental Laboratory Accreditation Program (ELAP) compliance and best practices. This is your chance to connect with IAS staff and […]

In observance of Veterans Day, the IAS office in Brea, California is closed Tuesday, November 11th, 2025. IAS will re-open on Wednesday, November 12th.

In observance of Thanksgiving, the IAS office in Brea, California is closed Thursday, November 27th and Friday, November 28th, 2025. IAS will re-open on Monday, December 1st.