There shall be supplied by the city such city standards and field standards and such equipment as may be found necessary to carry out the provisions of this chapter. The city standards shall be verified by a state weights and measures office upon their initial receipt and at least once each five years thereafter. Field standards shall be verified at least once every two years to city standards. City standards shall be standards under the control of any city weights and measures program or a NIST accredited standards laboratory. (Ord. 2114-95 § 7, 1995.)