(1) The cost of operating the city department of air resources, provided that air pollution projects and personnel shall be under the immediate direction of the commissioner of air resources or deputy commissioner of air resources of the city and provided further that the city department of air resources shall at all times maintain an air monitoring and alert system which will be satisfactory to the State Commissioner of Environmental Conservation to include but not be limited to continuous monitoring for air content of sulphur dioxide, carbon monoxide and smoke shade; meteorological observations; and an effective alarm system for the purpose of guiding corrective action whenever serious air contamination endangering the public health should appear. Vacancies in the position of commissioner of air resources shall be filled promptly, preferably within six months.

(2) The costs of supplies and equipment for use in accordance with a program approved by the State Department of Environmental Conservation.

(3) The costs of investigation, inspection and advisory services which are a part of control programs undertaken in the supervision of air pollution control services.

(4) Other air pollution control programs or activities, including research and training of air pollution control personnel (pre-service and continuation), submitted to the State Commissioner of Environmental Conservation for consideration and receiving favorable action by him.

(1) Activities for which State aid is otherwise specifically provided by any State law.

(2) The construction, maintenance and operation of air cleaning installations and facilities for garbage and refuse collection or disposal, or any other installation, facility, or device of similar nature.

(3) All rentals for space utilized for department of air resources purposes if such rentals are payable to the City of New York.

(4) Joint Federal-local programs.

Where joint Federal-local programs have been approved by the State Department of Environmental Conservation the portion financed from Federal funds will be excluded from reimbursement.