Menthone is a naturally occurring organic compound with a molecular formula C 10 H 18 O. l-Menthone (or (2 S, 5 R)- trans -2-isopropyl-5-methylcyclohexanone), shown at right, is the most abundant in nature of the four possible stereoisomers.
The State of Texas TX Boiler Section oversees all boilers and pressure vessels in the State of Texas.The Texas TX Boiler Law requires that all boilers operating in the State of Texas be registered with the department and, depending on the use, be inspected annually, biennially, or triennially.he State of Texas TX Boiler Section oversees all boilers and pressure vessels in the State of Texas.
Boiler Exam & Certification Fees. 1  Examination fee: A fee of $84.50 will be charged for each applicant sitting for an inspection examination(s). 2  Special inspector commission: An initial fee of $45.70 (including work card). 3  Annual special inspector commission: A fee of $28.40 for annual renewal.