Regulations & Permits - Washington State Department of Ecology

Summary Table: UST System Record Retention Periods (WAC 173-360; WAC 173-360A) 01/24/18

This table summarizes how long owners and owners of underground storage tank (UST) systems would need to retain records of various regulated activities under the proposed rule, Chapter 173-360A WAC.

https://ecology.wa.gov/summary-table-ust-system-record-retention-periods

Text with Identified Changes to Current Rule (WAC 173-360; WAC 173-360A) 01/24/18

This document identifies changes to the current rule, WAC 173-360, Underground Storage Tank (UST) Regulations, that are included in WAC 173-360A.

https://ecology.wa.gov/text-with-identified-tracked-changes-to-prelimin

Text with Tracked Changes to Preliminary Draft (WAC 173-360; WAC 173-360A) 01/24/18

This document tracks changes between the preliminary draft of WAC 173-360A and the proposed rule of WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/text-with-tracked-changes-to-preliminary-draft-wa

Crosswalk of State and Federal Regulations (WAC 173-360A) 06/30/23

This document identifies each state fund requirement in the proposed amendment of WAC 173-360A, Underground Storage Tank Regulations, and the corresponding requirement in the current federal regulations.

https://ecology.wa.gov/crosswalk-of-state-and-federal-regulations

Expedited rulemaking proposed language (WAC 173-360A) 06/30/23

This is proposed rule language for WAC 173-360A, Underground Storage Tank Regulations.

https://ecology.wa.gov/expedited-rulemaking-proposed-language-wac-173-360a

Expedited Rulemaking Proposal (WAC 173-360A) 06/30/23

This is an expedited rulemaking proposal (CR-105) for WAC 173-360A, Underground Storage Tank Regulations.

https://ecology.wa.gov/expedited-rulemaking-proposal-wac-173-360a

Rulemaking Adoption Notice (WAC 173-360A) 09/--/23

This is a rulemaking adoption (CR-103) for WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-360a-09-23

Adopted rule language (WAC 173-360A) 09/--/23

This is adopted rule language for WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/adopted-rule-language-wac-173-360a-09-23

Tools for cleaning up petroleum contaminated sites

We have online tools and guidance to help you clean up petroleum-contaminated sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/clean-up-petroleum-contamination

Common cleanup situations for homeowners and small businesses

Learn about common cleanup situations likely to affect home and small business owners.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/common-cleanup-situations-for-homeowners-small-b

FAQ: Evaluate options to clean up homes and small businesses

These FAQs help homeowners and small businesses evaluate cleanup options and complete cleanup work.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/evaluation-cleanup-for-homeowners-small-busine

FAQ: Investigate and report toxic releases

FAQs to help homeowners and small businesses investigate and report toxic releases.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/investigating-reporting-toxic-releases

Underground storage tank closures

Important information about closing your underground storage tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/underground-storage-tank-closures

Property inspection checklist

Before buying property, use the property inspection checklist to complete an onsite inspection.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/property-inspection-checklist

Records search checklist

Before buying property, use the records search checklist for due diligence and to know past uses.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/records-search-checklist

Sand & Gravel Permit guidance

Guidance to implement your Sand & Gravel General Permit.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/sand-and-gravel-permit-guidance

CLARC data tables and other technical information

Download CLARC data tables for information that helps site managers determine cleanup levels.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/data-tables

History of changes to CLARC

Read about major changes to the Cleanup Levels and Risk Calculation (CLARC) spreadsheet since 2004.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/latest-news

CLARC glossary

A glossary for terms and acronyms in CLARC's resource pages.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/glossary

July 2018 vapor intrusion listening session: Q&As

Questions and answers from the vapor intrusion listening session in Bellevue, July 23, 2018.

https://ecology.wa.gov/20180723vaporlisteningsessonqa