The Air Resources Board will hold a public hearing on proposed amendments to Cal. Code Regs. tit. 17 §§95380, 95381, 95382, 95383, 95384, 95385, 95386, 95387, 95388, 95389, 95390, 95391, 95392, 95393, 95394, 95395, 95396, 95397, and 95398, relating to High Global Warming Potential (GWP) Refrigerants for Stationary Sources. The proposed stationary refrigeration management practices apply to any refrigeration system that uses more than 50 pounds of a high-GWP refrigerant. The applicable requirements vary based on the amount of high-GWP refrigerant used by a refrigeration system, known as the refrigerant charge size. Refrigeration systems are categorized based on the refrigerant charge size as a large refrigeration system, medium refrigeration system, or small refrigeration system. The hearing will be December 9, 2009. http://www.arb.ca.gov/regact/2009/gwprmp09/gwprmp09.htm.