Iowa Admin. Code r. 661-226.7
Current through Register Vol. 47, No. 5, September 4, 2024
On or after January 1, 2012, the use of railroad tank cars in stationary propane service shall be prohibited.
EXCEPTION: Existing installations for which prior written approval of the state fire marshal is documented in writing shall be permitted to remain in service.
Iowa Admin. Code r. 661-226.7