As a condition of approval and the continuance of any use, occupancy of any structure, and operation of any process or equipment, the applicant shall supply evidence, satisfactory to the planning board or to its designated representative that the proposed use, structure, process, or equipment will conform fully with all of the applicable performance standards. As evidence of compliance, the board may require certification of tests by appropriate government agencies or by recognized testing laboratories, any costs thereof to be borne by the applicant. The planning board may require that specific types of equipment, machinery or devices be installed, or that specific operating procedures or methods be followed if the government agencies or testing laboratories examining the proposed operation shall determine that the use of such specific types of machinery, equipment, devices, procedures or methods are required in order to assure compliance with the applicable performance standards. Permits and certificates required by other government agencies shall be submitted to the planning board as proof of compliance with applicable codes.

The planning board and/or governing body may require that instruments and/or other devices, or professional reports or laboratory analysis be used to determine compliance with the following performance standards for an existing or proposed use and the cost thereof shall be borne by the owner, applicant or specific use in question.