(a) You must meet each emission limit and work practice standard in Table 1 to this subpart that applies to you.

(b) You must meet each operating limit in Table 2 to this subpart that applies to you.

(c) As provided in §63.6(g), you may apply to EPA for permission to use an alternative to the work practice standards in this section.

(d) Opening of a safety device, as defined in §63.5610, is allowed at any time that conditions require venting to avoid unsafe conditions.

(e) The emission limits in Table 1 to this subpart used to control emissions from storage vessels do not apply during periods of planned routine maintenance. Periods of planned routine maintenance of each control device, during which the control device does not meet the emission limit specified in Table 1 to this subpart, must not exceed 240 hours per year.