US lawCaliforniaStatutesCode hscDivision 20Chapter 6.75Article 225299.18Cal. HSC § 25299.18Cal. HSC § 25299.18Last amended: 1999Year: 2025Length: 5 wordsOfficial source “MTBE” means methyl tertiary-butyl ether.PreviousCal. HSC § 25299.17NextCal. HSC § 25299.19