RSA 125-I:7 Inspection.

I. For the purpose of determining compliance with this chapter, any rule adopted by the commissioner relative to this chapter, or any condition of a permit issued under RSA 125-C relative to the emission of a regulated toxic air pollutant and any other air contaminant, an employee or authorized representative of the department may, upon presentation of appropriate credentials and at any reasonable time:
(a) Enter any stationary source.
(b) Inspect and photograph the device or source which produces or controls emissions of regulated toxic air pollutants and other air contaminants, and obtain samples of materials processed in and generated from the devices and sources at the facility.
(c) Inspect and copy records, information or test results relating to air pollution