Analysis by state chemist; ASTM standards to apply.

Wyo. Stat. Ann. § 40-7-107
in effect
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(a) The state chemist shall make, or cause to be made under his direction, analysis and examinations of the petroleum and antifreeze products furnished to him by the director, or his deputies, to determine whether the products conform to this act and rules promulgated under it and shall certify examination results to the director following applicable ASTM methods designated in the ASTM standards required for each product. (b) ASTM specifications and definitions for petroleum products not defined in Wyoming statutes shall be adopted by the board.
Source: WY Statutes (Official Site)URL: https://wyoleg.gov/statutes/compress/title40.pdfFetched: 10/4/2026
Source: Public.Resource.Org WY StatutesURL: https://unicourt.github.io/cic-code-wy/transforms/wy/ocwy/r78/gov.wy.code.title.40.htmlFetched: 6/28/2026

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