Synthetic Minor Source Air Permit for Granite Construction Company on the Colville Reservation

This page contains documents related to EPA's issuance of a synthetic minor source air permit issued to Granite Construction Company for its hot mix asphalt plant located on the Colville Reservation in Okanogan, Washington.

The synthetic minor source air permit limits carbon monoxide to 20 tons per year (tpy), nitrogen oxides to 13 tpy, particulates to 68 tpy, fine particulates (PM₁₀) to 19 tpy, fine particulates (PM_2.5) to 8 tpy, sulfur dioxide to 21 tpy, and volatile organic compounds to 7 tpy.

Permit number: R10TNSR01700
Issued: February 8, 2019
Effective: March 11, 2019
Expires: N/A

• Synthetic Minor Source Permit for Granite Construction Okanogan HMA Plant (pdf) (534.83 KB, February 8, 2019)
  Final permit.
• Permit Analysis for Synthetic Minor Source Permit for Granite Construction Okanogan HMA Plant (pdf) (810.06 KB, February 8, 2019)
  Technical basis for permit.