567—32.5 (455B) Iowa Air Sampling Manual. Monitor siting requirements, data handling procedures, approved monitoring methods and equipment, quality assurance requirements, and requirements for public availability of the data for determining compliance with the HEV or HES for hydrogen sulfide shall be in accordance with the Iowa Air Sampling Manual1 adopted by the commission on July 19, 2004, and adopted by reference herein.
1	Available from the department.