WAC 173-340-210. Usage

For the purposes of this chapter, the following apply: (1) Unless the context clearly requires otherwise, the use of the singular includes the plural and conversely. (2) The terms "applicable," "appropriate," "relevant," "unless otherwise directed by ecology " and similar terms implying discretion mean as determined by ecology, with the burden of proof on other persons to demonstrate that the requirements are or are not necessary. (3) "Approved" means for ecology-conducted or ecology-supervised remedial actions. (4) "Conduct" means to perform or undertake whether directly or through an agent or contractor, unless this chapter expressly provides otherwise. (5) "Include" means included, but not limited to. (6) "May" or "should" means the provision is optional and permissive, and does not impose a requirement. (7) "Shall," "must," or "will" means the provision is mandatory. (8) "Threat" means threat or potential threat. (9) "Under" means pursuant to, subject to, required by, established by, in accordance with, and similar expressions of legislative or administrative authorization or direction.