400-1. Rules and Regulations of the State Oil and Gas Board of Alabama Governing Onshore Lands Operations
400-1-4. Drilling
400-1-4-.01. Identification of Wells.
A sign shall be posted and maintained in a legible state in a conspicuous place near the well. Such sign shall be posted before spudding or reentry and shall remain posted until the well is plugged and abandoned and the location restored. The sign shall include the name of the operator, the permit number, the well name and number, and the section, township, range, and county in which the well is located.
400-1-6. Production
400-1-6-.07. Tanks or Tank Batteries.
A sign shall be posted and maintained in a legible state, in a conspicuous place near a tank or tank battery. Such sign shall be posted when the tank or tank battery is installed and shall remain posted until the tank or tank battery is removed and the location restored. The sign shall include the name of the operator, the name or number designation of the battery, a listing of the permit number(s) from well(s) with fluids flowing into the battery, and the section, township, range, and county in which the tank or tank battery is located
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400-1-9. Safety and Environment
(e) Storage tanks which are utilized as part of a production operation and which are operated at or near atmospheric pressure are exempt from sections (2) and (4) through (7); however, where the vapor accumulation has a hydrogen sulfide concentration in excess of five hundred (500) parts per million (ppm), the storage tanks shall be subject to the following:
Storage tanks are exempt from sections (4), (6b, c, d, and e), and (7) only;
A warning sign shall be posted on or within fifty (50) feet of the facility to alert the general public of the potential danger;
Fencing, as a security measure, is required when storage tanks are located inside the
limits of a town site or city or where conditions cause the storage tanks to be exposed to the public.