The enforcement officer, or his or her duly authorized representatives, may enter on any site or into any structure for the purpose of investigation, provided they shall do so in a reasonable manner, whenever they have cause to suspect a violation of any provision of these regulations, or whenever necessary to the investigation of violations of the performance standards or conditions of approval prescribed in these regulations. An owner or occupant or agent thereof who refuses to permit such entry and investigation shall be subject to the violations and penalties of Section 6.104.090 and subject to related penalties thereof. (Ord. 2002-83 § 1 (part))