The chemical, physical and biological nature of the injected fluid must be analyzed with sufficient frequency to yield representative data on its characteristics. When requested by the Director, or at any time the injected fluid is modified to the extent that the analysis required by subparagraph (3) of paragraph (j) of subsection 1 of NAC 445A.867 is incorrect or incomplete, a new analysis must be made and the results sent to the Director.
Nev. Admin. Code § 445A.912