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Posted on: October 26, 2019

Permit for Public Comment - Cadman Materials

The Puget Sound Clean Air Agency (the Agency) is publishing a public notice for a proposed permit for Cadman Materials, located at 222 West Marine View Drive, Everett, WA 98201. The proposed project is to replace the existing pug mill mixer and rotary dryer at the North Everett asphalt plant with a new drum mixer. Cadman is also proposing to increase the use of recycled asphalt pavement (RAP) at the facility and to add the ability to use recycled asphalt shingles (RAS), which requires the installation of new RAP and RAS feeding equipment. This notice is published pursuant to WAC 173-400-091, WAC 173-400-171(3)(k), and WAC 173-460-071(2). As part of this action, Cadman Materials requested a voluntarily limit on facility-wide emissions. Cadman Materials has requested an annual emission limit of 99 tons of carbon monoxide (CO). The proposed Order would provide Cadman Materials with a federally enforceable emission limit formally establishing it as a minor or area source of air pollution. In addition, Cadman Materials has proposed removing the existing pug mill mixer and rotary dryer to offset emissions of toxic air pollutants (TAP) from the new drum mixer.

The new drum mixer will be a source of particulate matter (PM), volatile organic compounds (VOC), nitrogen oxides (NOx), carbon monoxide (CO), sulfur dioxide (SO2), hazardous air pollutants (HAP), and TAP. Since the new drum mixer will replace the existing pug mill mixer and rotary dryer, annual emissions of these pollutants are not expected increase as a result of this proposal. The estimated potential emissions from the new drum mixer are 33.18 ton/year PM, 21.14 ton/year PM10, 19.59 ton/year PM2.5, 22.26 ton/year NOx, 99 ton/year CO, 5.60 ton/year VOC, 0.60 ton/year SO2, and 0.95 ton/year HAP. In addition, the estimated potential emissions from the new RAP and RAS feeding equipment and storage piles are 1.60 ton/year PM, 0.75 ton/year PM10, and 0.11 ton/year PM2.5.

Supporting Documents:

Notice of Construction Application

Notice of Contruction Worksheet

Draft Order of Approval

PRELIMINARY DETERMINATION

The Agency has completed a review of application No. 11812 and has made a preliminary determination that the proposal meets all the requirements of Regulations I, II and III and should be approved. As lead agency for this project, the Agency has found that the activity would not have a probable significant adverse impact on the environment. Based on the proposed action, a Determination of Non-Significance with no public comment is recommended.

PUBLIC COMMENT

The public comment period begins on October 27, 2019 and ends on November 27, 2019. The application and the information considered in making this preliminary determination are on file and available for inspection at the Agency’s office located at 1904 3rd Ave, Suite 105, Seattle, Washington, telephone (206) 689-4010.  The proposed Order No. 11812 is also available at the Agency’s website www.pscleanair.org.  Written comments with respect to proposed Order No. 11812 must be mailed to Courtney Shernan, Engineer, at Puget Sound Clean Air Agency, 1904 3rd Ave, Suite 105, Seattle, Washington 98101, faxed to Courtney Shernan at (206) 343-7522, or e-mailed to CourtneyS@pscleanair.org.

Written comments will be accepted until the end of the 30-day public comment period per WAC 173-400-171.  All comments received during the comment period will become part of the public record.  The applicant, any interested governmental entity, any group, or any person may request a public hearing within the thirty-day public comment period.  A request must indicate the interest of the entity filing it and why a hearing is warranted.  The Agency may hold a public hearing if it determines that significant public interest exists.  Once the Agency has reviewed and responded to comments from the public, the draft Order will, if necessary, be revised, and then issued in final form.

This public notice will appear in the following publications on October 26, 2019:

  • Daily Journal of Commerce
  • The Everett Herald
  • The Marysville Globe

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