13-058 Code Vt. R. 13-140-058-XDownload PDFCurrent through August, 2024Section 13 140 058 - OCCUPATIONAL EXPOSURE TO 1,3-BUTADIENE (RENUMBERED)13-058 Code Vt. R. 13-140-058-XFebruary 2019 (renumbered to 24 050 050)Incorporated by Reference Only - See CFR 1910; 1915; 1926