It is a violation of this chapter for an employer to


(1) hinder or unnecessarily delay the department in the enforcement of this chapter;


(2) refuse to admit an authorized representative of the department to a place of employment;


(3) falsify or fail to keep a record required under provisions of this chapter, or refuse to make the records accessible or to furnish a sworn statement of the records; or


(4) refuse to give information required for the enforcement of this chapter, upon demand, to the department.