Any person or operator who stores, leaves, or temporarily parks a rail tank car or cars containing 42,000 gallons or more of oil in the aggregate at a siding for more than five (5) consecutive days shall visually inspect the cars for evidence of oil discharges a minimum of every 24 hours and maintain a written log of the findings of such inspection. The inspection shall include:
A copy of the written log may be requested from the operator by the Commissioner and shall be made available as soon as practicable upon such request.
06- 096 C.M.R. ch. 696, § 6