PRESS RELEASE Perry Johnson Laboratory Accreditation Inc. • 755 West Big Beaver Road • Suite 1325 • Troy, MI 48084 September 7, 2012 PJLA Accredits its first Reference Material Producer We are proud to announce that PJLA has accredited its first Reference Material Producer to ISO Guide 34:2009 and ISO/IEC 17025:2005. The full system assessment […]