A list of Washington businesses licensed to store and/or transport waste tires.

Design requirements for infiltration trenches with soils considered a treatment BMP

Provides background on the Futurewise v. Anacortes case

A statistical analysis tool / workbook for analyzing background data for sites cleaned up under the Model Toxics Control Act.

A statistical analysis tool / workbook for calculating compliance statistics for sites cleaned up under the Model Toxics Control Act.

Copy of letter and permit document for dam construction for BioRecycling's North Ranch septage lagoon.

Statistical guidance for using MTCAStat97 for sites cleaned up under the Model Toxics Control Act.

A calculation tool for demonstrating natural attenuation of groundwater is occurring and help predict when groundwater cleanup levels will be met under the Model Toxics Control Act.

Review and assessment process for waste storage ponds

Application for facilities which do not discharge process wastewater.

Application for permit to discharge stormwater associated with industrial activity.

This document explains that Frog Creek Partners Gutter Bin is determined to be functionally equivalent to the Storm Drain Inlet Protection as described in BMP C220 in the 2019 SWMMWW and BMP C105E in the 2019 SWMMEW.

This is an excel file to help permittees organize the summary report for the LID and track their efforts.

This spreadsheet helps individual water quality permittees to develop local discharge limitations.

Sites covered under the Construction Stormwater General Permit (Permit) must take specific reporting and adaptive management actions in order to comply with permit requirements when obtaining high turbidity results (greater than or equal to 250 Nephelometric Turbidity Units (NTUs)) or low transparency results (less than or equal to 6 centimeters).

All Permittees must inspect the construction site and monitor water discharging from the construction site. Inspections must be summarized in an Inspection Report or Checklist and kept with the Site Log Book. These requirements are listed in the CSWGP - S4. Monitoring Requirements, Benchmarks and Reporting Triggers.

Use this index to compare permit references between the 2011 and 2016 Sand & Gravel General Permits. (Note: this index does not indicate changes in permit langugae -- many sections in the permit were renumbered without a change in permit language.)

Invoice form for mercury switches

Fill out this form to sign up for the mercury switch removal program

This memo clarifies how businesses can safely manage lithium-ion batteries as universal waste under the Dangerous Waste Regulations.