Vt. Stat. Ann. tit. 9, § 3346

Before entering upon the duties of his or her office, an inspector shall be sworn, and when called upon by a vendor, purchaser, or by any officer mentioned in section 3348 of this title, to test such oils, shall do so with reasonable dispatch by applying the fire test as indicated and determined by Tagliabue’s pyrometer, or some instrument equally accurate.