PA Mining Law III (referenced) Practice test questions for the PA Mine Officials' Exam Progress Indicator: Question 2 of 20 2.  Under Section __________ of the Mine Act of 1977, the Secretary shall provide a minimum of one spot inspection during every five working days whenever a mine liberates excessive quantities of methane or other explosive gases. Choices: 103(a) 103(i) 103(j) 103(k)