Please listen to the following podcasts to listen and learn more about the GLP Level 1 Certification Program: PODCAST 1: ASTDNY GLP Certification Program Event (6mins) Introduction to Catherine Mattiske, the program, and how to register. Download podcast (1.4 MB) PODCAST 2: ASTDNY GLP Certification Program Details by Catherine Mattiske Detailed program information as described by Catherine Mattiske. Download podcast (2.6 MB)