'. <br />4.11.7 Advance Notification. Advance notification to the Airport <br />Manager of intent to picket, demonstrate, solicit, or distribute printed - <br />material at the Airport is encouraged but not required. Interested <br />groups may wish to give advance notice where possible so that problems <br />with interferences with Airport activities can be resolved in advance. <br />4.12. Interference with Operation of Aircraft. No person shall inter- <br />. fere with the operation of aircraft, or start the engine of an aircraft <br />without the consent of the aircraft's operator. <br />4.13 Lost Articles. Lost or mislaid articles shall be turned in to the <br />Airport Manager's office by the finders. .Such property shall be disposed of <br />as provided by state law (ORS 98.005 and ,98.025 and ORS 98.302 to 98.436). <br />4.14 Llse of Hazardous Materials and Environmental Law Compliance. <br />4.14.1 Hazardous materials shall not be stored in hangars except <br />in hazardous materials storage lockers approved by the Fire Chief and <br />Airport Manager. <br />4.14.2 All persons shall comply with federal, state, and City of <br />Eugene laws relating to-.the protection of human health and the environ- <br />ment, including laws and regulations pertaining to the use, storage, and <br />transportation of hazardous materials. <br />4.14.3 All persons shall exercise extreme care in handling haz- <br />ardous materials. Each person using hazardous materials shall undertake <br />any and all preventative, investigatory or remedia'1 action which is <br />required by law or by order of a governmental agency with jurisdiction <br />,.under the law or which is necessary to prevent or minimize property dam- <br />age or personal injury by release or exposure to-hazardous materials. <br />In the event a persona.fails to perform any of these obligations the City <br />may, but is not requi,red`;to, perform these obligations at the person's <br />expense. <br />4.14.4 No'person, without the permission of the Airport Manager, <br />shall place., any solid, or pour any liquid other than water, down floor <br />drains, manholes, or other sewer connections. Each person shall comply <br />with the .industrial pretreatment provisions of the Eugene Code, includ- <br />ing sections 6.501 to 6.596 of the Eugene Code, effective December, 1993 <br />as they exist now or may. hereafter be amended. <br />,~- <br />4.15 Fire Regulations. <br />4.15.1 Open `Flame Operations. Open flames, flame producing <br />devices or other. sources of ignition shall not be permitted in any <br />hangar, except as approved by the Airport Manager. <br />4.15.2 Combustible Storage. No person shall store combustible <br />materials or other hazardous materials in any aircraft hangar, except <br />in locations and .containers approved by the Fire Chief and Airport <br />Manager. <br />Rules - 13 ~ - <br />