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Annual Engine Survey

​By January 31st of each year, operators of diesel-fired engines shall submit to the Sac Metro AQMD the total number of hours each engine operated during the previous year for maintenance, emergency, and total (maintenance + emergency + other).

The survey can be submitted via any of the following methods:

  1. Online (see "Submit Annual Engine Survey Online" below)
  2. E-mail the Excel Survey Form (see "Resources" below)

​Submit Annual Engine Survey Online


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