WESTPAK, Inc., a leading, 3rd-party test laboratory in San Jose and San Diego, California, specializes in product and package testing for the medical and pharmaceutical industries. The 35-year-old, 100% employee-owned firm uses its ~80k sq ft and 90 environmental chambers to perform ISO 17025-accredited testing for a majority of MPO's Top 30 Medical Device manufacturers. Many tests performed evaluate shipping containers and package systems (ASTM D4169), and medical device sterile barrier systems using accelerated aging (ASTM F1980).