Based on site specific conditions, employers must comply with either 1910.38(a) or 1910.120(q) to satisfy the requirements of 1910.119(n) for potential releases of highly hazardous chemicals from their PSM-covered processes. An employer's decision to completely evacuate the danger area and allow the local community emergency response organizations to handle a hazardous substance release is the foundation for deciding the applicability of either 1910.38(a) or 1910.120 standards. If the employer decides to evacuate all employees from the danger area should there be a release of a hazardous substance/highly hazardous chemical, then the employer may elect to comply with the requirements of ___________