1. (1) Planned blowdowns.

   1. (i) Provide notification to the department and appropriate local authorities 48 hours in advance of a blowdown event; the notification shall include, but not be limited to, the following information:

      1. (a) location;
      2. (b) date;
      3. (c) time and duration;
      4. (d) contact person;
      5. (e) reason for blowdown; and
      6. (f) estimated volume of release.
   2. (ii) If any of the information reported prior to the blowdown changed during or after the blowdown, another notification to the department and appropriate local authorities shall be made with the updates no later than 48 hours after the end of the blowdown.

2. (2) Unplanned blowdowns.

   1. (i) Provide notification to the department and appropriate local authorities within 30 minutes of blowdown or as soon as it is safe to do so. The notification shall include, but not be limited to, the following information:

      1. (a) location;
      2. (b) date;
      3. (c) time and duration;
      4. (d) contact person;
      5. (e) reason for blowdown; and
      6. (f) estimated volume of release.

(a) Applicability.

Blowdown activity at compressor stations and transmission pipelines greater than 10,000 standard feet cubed (scf).

(b) Requirements.