(1) suitable arrangements have been made for the safe storage and containment of noxious chemical material; no poisonous or inflammable materials shall be kept or stored in close proximity to other facility installations at the airport;

(2) all aircraft are properly certificated aircraft suitably equipped for the agricultural operation undertaken;

(3) pilots are certified under Washington State Pesticide and Herbicide Control Act if such chemicals are to be handled or dispensed;

(4) suitable arrangements for servicing, repairing, storing and parking its aircraft with adequate safeguards against spillage on runways and taxiways or pollution or disbursal of chemicals by wind to other operational areas on the airport;

(5) operator shall provide adequate public liability insurance to protect the operator and the board from liability in connection with such operations as specified by the board and shall provide a certificate of insurance in accordance with Section 14.36.060. (Ord. 83-29 §35, 1983; Ord. B-120 §7(F), 1973).