What is the expected frequency for conducting safety examinations of methane levels?

Conducting safety examinations of methane levels once each production shift is critical for maintaining a safe working environment in surface operations. This frequency ensures that any potentially hazardous concentrations of methane are detected promptly, allowing for immediate action to mitigate risks. Methane is a colorless, odorless gas that can pose serious dangers, including the risk of explosion and asphyxiation, if not monitored properly. Regular examination during each shift allows workers to be continuously aware of methane levels, which is vital in areas where flammable gases may accumulate.

Other frequencies, such as daily or weekly checks, might not provide adequate protection. While checking every evening may seem frequent, it fails to accommodate shifts that operate outside of standard hours. Weekly or monthly inspections could lead to delays in recognizing dangerously high levels of methane, increasing the risk of accidents. Hence, the choice of once each production shift represents a proactive and preventive safety measure to protect workers effectively.