The standards and regulations established pursuant to section 18.1-3 of this chapter shall be subject to and in accordance with the following:

(a) All facilities of the county shall be constructed in accordance with such standards and regulations.

(b) Where such standards or regulations are more stringent than standards or regulations promulgated by regulatory agencies of the federal government or the state, the county's shall govern. Where such standards or regulations are less stringent, federal or state standards or regulations shall govern.

(c) In the absence of applicable standards or regulations approved by the governing body or promulgated by the state, the county administrator may establish such interim standards or regulations as he deems necessary. Such standards or regulations shall be submitted to the governing body within one hundred eighty (180) days after establishment for approval and shall stand until the governing body actually approves, disapproves, or modifies such interim standards or regulations.