NOTICE: ANNOUNCEMENT OF AVAILABILITY OF DRAFT PERMIT MODIFICATION

| April 11, 2016 1:00 PM

Ecology is modifying Terex Corporation's State Waste Discharge Permit (SWDP) in accordance with the provisions of Chapter 90.48 Revised Code of Washington (RCW) and Chapter 173-216 Washington Administrative Code (WAC).

PERMIT NO.: ST0045529

APPLICANT: Terex Corporation

18460 NE 76th Street

Redmond, WA 98052

FACILITY: Terex AWP - Moses Lake

8987 Graham Road NE

Moses Lake, WA 98837

Ecology is proposing to modify Terex Corporation's SWDP to incorporate changes to their subscription agreement with the Port of Moses Lake by modifying limits for certain parameters. Limit changes include copper, TKN, Conductivity, Sodium Adsorption Ratio (SAR), Manganese and pH. Ecology is issuing a draft amended permit and fact sheet amendment and is only accepting comments on the modified portions.

The wastewater, following treatment, must meet the requirements of the Washington State Water Pollution Control Act and applicable regulations for a permit to be issued. A final determination will not be made until all timely comments received in response to this notice have been evaluated.

PUBLIC COMMENT AND INFORMATION

The draft modified permit and fact sheet amendment may be viewed at the following Ecology website:https://fortress.wa.gov/ecy/wqreports/public/f?p=110:302:2868776655551311::NO:RP:P302_PERMIT_NUMBER:0045529. The fact sheet and proposed modified permit, and other related

documents are also available at Ecology's Eastern Regional Office for inspection and copying between the hours of 8:00 a.m. and 5:00 p.m., weekdays. To obtain a copy or to arrange to view copies please call (509) 329-3400 or write to the address below.

Interested persons are invited to submit written comments regarding the proposed permit modification. All comments must be submitted within 30 days after publication of this notice to be considered for the final determination. Comments must be received by our office no later than May 11, 2016. Comments should be sent to:

Mr. Pat Hallinan

Department of Ecology

4601 N. Monroe Street

Spokane, WA 99205

phal461@ecy.wa.gov

Any interested party may request a public hearing on the proposed permit within 30 days of the publication date of this notice. The request for a hearing shall state the interest of the party and the reasons why a hearing is necessary. The request should be sent to the above address. The Department will hold a hearing if it determines that there is significant public interest. If a hearing is to be held, public notice will be published at least 30 days in advance of the hearing date. Any party responding to this notice with comments will be mailed a copy of a hearing public notice.

Please bring this public notice to the attention of persons who you know would be interested in this matter. Ecology is an equal opportunity agency. If you need this publication in an alternate format, please contact us at (509) 329-3400 or TTY (for the speech and hearing impaired) at 711 or 1-800-833-6388.

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Pub: April 11, 2016