(a) Abandoned workings that cannot be ventilated adequately with safety to employees must be sealed. The chief of the division will prescribe rules for sealing and periodic testing of air and water behind seals. Failure to comply with rules for sealing and periodic testing will be a violation of this section.
(b) Abandoned workings shall be posted to warn persons against entering, and all accessible abandoned workings shall be examined semimonthly or more often if necessary. When posting is inadequate to warn persons against entering, abandoned workings shall be properly fenced off at all such entrances.
Structure Code of Alabama
Title 25 - Industrial Relations and Labor.
Article 4 - Mine Gases and Ventilation.
Section 25-9-81 - Use of Methane Detectors.
Section 25-9-82 - Standards and Procedures as to Gases and Air Quality.
Section 25-9-83 - Standards as to Volume of Air.
Section 25-9-84 - Coursing of Air.
Section 25-9-85 - Sealing, Testing, etc., of Abandoned Workings.
Section 25-9-86 - Examinations for Gases and Other Dangerous Conditions.
Section 25-9-87 - Use of Flame Safety Lamps.
Section 25-9-88 - Reports as to Ventilation, Gas Content, Reopening of Mines, Etc.
Section 25-9-89 - Procedure When Workings Approaching Inaccessible Accumulations of Gases or Water.