California Code, Public Resources Code - PRC § 3186

An operator of a gas storage well shall develop and maintain a comprehensive gas storage well training and mentoring program for those employees whose job duties involve the safety of operations and maintenance of gas storage wells and associated equipment.  The training program shall include, but is not limited to, gas storage well operations, including best practices to prevent leaks, maintenance and testing, gas storage well safety regulations, emergency response, and incident reporting.  If storage field employees are represented by a labor union, the operator shall consult with the relevant union local on safety issues and, when requested, establish a framework to provide training through a joint labor-management training program.