Air Operating Permit - Puget Sound Clean Air Agency

II. MONITORING, MAINTENANCE, AND RECORDKEEPING Permit No. 13120Expiration Date: September 12, 2013Page 197 of291the unit or activity is demonstrated to be in compliance with all applicableopacity limitations in the permit using the reference test method)or,(2) Determine the opacity using the reference test or(3) Observe for a minimum of 15 minutes, or until visible emissions havebeen observed for a total of 45 seconds, whichever is a shorter period. Ifvisible emissions other than uncombined water are observed from a singleunit or activity lasting longer than 45 seconds during a 15 minute interval,Boeing may continue to observe visible emissions for an additional 45minutes or until visible emissions have been observed for a total of 3minutes in the hour, whichever is a shorter period. If visible emissions areobserved for a total of 3 minutes during the 60 minute observation, or ifvisible emissions have been observed for a total of 45 seconds during the 15minute observation and Boeing did not elect to continue the visibleemission inspection as described above, Boeing shall, as soon as practicablebut within 24 hours of the initial observation either;o Take corrective action, which may include shutting down the unit oractivity until it can be repaired, until there are no visible emissions(or until the unit or activity is demonstrated to be in compliancewith all applicable opacity limitations in the permit using thereference test method); or,o Alternatively, record the opacity using the reference test method.• Failure to take action as described above must be reported under Section V.MCompliance certifications or V.Q Reporting of this permit.• All observations using the opacity reference test method shall be reportedaccording to V.Q.4 Method 9A Reports.• Boeing shall maintain a record of when fuel oil is burned in Boilers #4, 5, and 6and whether the backup fuel oil was bmned due to curtailment or testing.[WAC 173-401-615(1)(b), 10117/02]Boeing-Everett Permit, issued September 12, 2008; Administrative Amendment 3: October 10, 2012