A person who performs safety determinations at federal facilities or other facilities under contract with the federal government shall: Take all responsible precautions to minimize emissions during any safety determination; Schedule safety determinations, whenever possible, during days when maximum dispersion of pollutants will be achieved; Notify the control officer at least 24 hours in advance when a safety determination is to be performed that has a duration of 2 hours or longer; and Submit a report of anticipated or expected safety determinations to the control officer semiannually beginning with the period July 1, 1997, to December 31, 1997. The report required in §A(4) of this regulation shall be submitted to the control officer by not later than 15 days before each semiannual period. For safety determinations that are not anticipated 6 months in advance, the control officer shall be notified as far in advance as possible but not less than 1 week before the safety determination. The semiannual report required in §A(4) of this regulation shall include: The time frame during which each known safety determination is to occur; The duration of each safety determination; and General information relating to each safety determination.