Washington Revised Code Title 76. Forests and Forest Products § 76.04.405. Steam, internal combustion, or electrical engines and other spark-emitting equipment regulated

It is unlawful during the closed season for any person to operate any steam, internal combustion, or electric engine, or any other spark-emitting equipment or device, on any forestland or in any place where, in the opinion of the department, fire could spread to forestland, without first complying with the requirements as may be established by the department by rule pursuant to this chapter.