159.4. A monetary administrative penalty of $1,000 in the case of a natural person and $5,000 in any other case may be imposed on anyone who(1) prevents a person acting on behalf of the Board from exercising powers conferred on him by this Act or the regulations, impedes him or neglects to obey an order that such a person may give, in particular by refusing to give him access to a construction site, building, establishment, facility intended for use by the public, installation independent of a building, petroleum equipment installation or civil engineering structure, or by refusing to provide him with documents or information that the person is authorized to require under this Act; or
(2) fails to comply with a condition imposed by a commissioner under the second paragraph of section 109.6.