17.8.105    TESTING REQUIREMENTS

(1) Any person or persons responsible for the emission of any air contaminant into the outdoor atmosphere shall upon written request of the department provide the facilities and necessary equipment including instruments and sensing devices and shall conduct tests, emission or ambient, for such periods of time as may be necessary using methods approved by the department. Such emission or ambient tests shall include, but not be limited to, a determination of the nature, extent, and quantity of air contaminants which are emitted as a result of such operation at all sampling points designated by the department. These data shall be maintained for a period of not less than one year and shall be available for review by the department. Such testing and sampling facilities may be either permanent or temporary at the discretion of the person responsible for their provision, and shall conform to all applicable laws and regulations concerning safe construction or safe practice.

(2) All sources subject to the requirements of 40 CFR Part 51, Appendix P, incorporated by reference in ARM 17.8.103, must install, calibrate, maintain, and operate equipment for continuously monitoring and recording emissions. All subject sources must have installed all necessary equipment and shall have begun monitoring and recording emissions data in accordance with Appendix P by January 31, 1988.

History: 75-2-111, 75-2-203, MCA; IMP, 75-2-203, MCA; Eff. 12/31/72; AMD, 1987 MAR p. 159, Eff. 2/14/87; AMD, 1996 MAR p. 1844, Eff. 7/4/96; TRANS, from DHES, 1996 MAR p. 2285.