Section 37T(1)(vi) in The Rajasthan Minor Mineral Concession Rules, 1986
(vi)take effective safeguard measures, such as regular water sprinkling in critical areas prone to air pollution and having high levels of particulate matter such as around crushing and screening plant, loading and unloading point and all transfer points. Extensive water sprinkling shall be carried out on haul roads. It shall be ensured that the Ambient Air Quality parameters conforming to the norms prescribed by the State Pollution Control Board is maintained throughout;