(1) In order to be licensed, a laboratory must:

(a) meet all of the applicable personnel, equipment, training and facility requirements of this subchapter;

(b) at least once during the three year term of its license, pass an on site inspection by an agent of the environmental laboratory that shows compliance with the requirements of these rules for the license category in question; and

(c) if the laboratory performs chemical analyses, have performed analyses on two performance evaluation (PE) samples each year during the term of its license, at least one of which indicates a successful identification of each analyte that it is approved under its license to analyze.