# Yorke Engineering, LLC: Specializing in Air Quality \& Environmental Compliance

> Yorke Engineering is a California\-based consulting firm providing Air Quality and Environmental Compliance services to government and industry since 1996\.

Generated by Yoast SEO v27.9, this is an llms.txt file, meant for consumption by LLMs.

## Pages
- [Company](https://yorkeengr.com/company)
- [Contact](https://yorkeengr.com/contact)
- [Home](https://yorkeengr.com/)
- [Air Quality](https://yorkeengr.com/services/air-quality)
- [Air Quality Consulting](https://yorkeengr.com/services/air-quality/air-quality-consulting): Yorke Engineering, LLC is the trusted leader in air quality consulting services\. As one of the top air quality consulting companies in California, we specialize in helping industrial, commercial, and government clients solve complex air quality challenges—from permitting and compliance to emissions reporting and risk assessments\.
- [Water](https://yorkeengr.com/services/water)
- [Waste](https://yorkeengr.com/services/waste)
- [CEQA](https://yorkeengr.com/services/ceqa)
- [Safety](https://yorkeengr.com/services/safety)
- [Industrial Hygiene](https://yorkeengr.com/services/industrial-hygiene)
- [On\-Site Support](https://yorkeengr.com/services/on-site-support)
- [Classes](https://yorkeengr.com/classes)
- [Upcoming Webinars](https://yorkeengr.com/classes/webinars)
- [Services](https://yorkeengr.com/services)

## Posts
- [SCAQMD Rule 462: Organic Liquid Loading](https://yorkeengr.com/regulatory-updates/scaqmd-rule-1171-solvent-cleaning-operations-2): On August 1, 2025, the SCAQMD adopted amendments to Rule 462, which regulates VOC emissions during the transfer of organic liquids with a true vapor pressure of 1\.5 pounds per square inch absolute \(psia\) or greater \(e\.g\., gasoline and ethanol\) into tank trucks, trailers, and railcars\.\.\.
- [CARB ATCM for Chrome Plating](https://yorkeengr.com/regulatory-updates/carb-atcm-for-chrome-plating): In 2023, the California Air Resources Board \(CARB\) adopted amendments to the Chromium Electroplating and Chromic Acid Anodizing Air Toxics Control Measure \(ATCM\) aimed at phasing out hexavalent chromium emissions from California’s chrome plating industry\.  As a result, owners and operators of chrome plating, including hard chrome plating, decorative chrome plating, and chromic acid anodizing, will need to modify, transition, and ultimately curtail their use of hexavalent chromium\.
- [SJVAPCD Mobile Source Funding Opportunities](https://yorkeengr.com/regulatory-updates/sjvapcd-mobile-source-funding-opportunities): On August 1, 2025, the SCAQMD adopted amendments to Rule 462, which regulates VOC emissions during the transfer of organic liquids with a true vapor pressure of 1\.5 pounds per square inch absolute \(psia\) or greater \(e\.g\., gasoline and ethanol\) into tank trucks, trailers, and railcars\.\.\.
- [Bay Area Air District Regulation 11, Rule 18: 2025 Draft Amendments to Reduce Health Risks from Air Toxics](https://yorkeengr.com/regulatory-updates/bay-area-air-district-requires-tier-4-level-engines-as-bact-for-small-to-medium-sized): The Air District’s Regulation 11, Rule 18, adopted in 2017, regulates toxics emissions from existing facilities to prevent unacceptable health risks to nearby communities\. The Air District is proposing rule amendments to improve implementation and accelerate risk reduction, with draft updates already released in 2025 and potential adoption in early 2026\.
- [SCAQMD Rule 1171: Solvent Cleaning Operations](https://yorkeengr.com/regulatory-updates/scaqmd-rule-1171-solvent-cleaning-operations): On June 6, 2025, the SCAQMD amended Rule 1171\. Rule 1171’s purpose is to reduce volatile organic compounds \(VOCs\), TACs, and stratospheric ozone\-depleting compounds from solvent cleaning operations\. Rule 1171 applies to anyone who uses cleaning solvents in the SCAQMD\.\.\.\.

## Projects
- [Senior Environmental Engineer/Scientist \(EH\&S\) \- Northern CA](https://yorkeengr.com/project/senior-environmental-engineer-scientist-ehs-northern-ca)
- [Marketing Coordinator \- Southern California](https://yorkeengr.com/project/marketing-coordinator)
- [Principal Air Quality Engineer/Scientist \(Permitting and Compliance\) \- Northern CA](https://yorkeengr.com/project/principal-air-quality-engineer-scientist-permitting-and-compliance-northern-ca)
- [Senior Air Quality Engineer/Scientist \(Permitting and Compliance\) – Southern CA](https://yorkeengr.com/project/senior-air-quality-engineer-scientist-permitting-and-compliance-southern-ca)
- [Mid\-Sr\. Air Quality Engineer/Scientist \(Permitting and Compliance Specialist\) \- Northern CA](https://yorkeengr.com/project/mid-sr-air-quality-engineer-scientist-permitting-and-compliance-specialist-northern-ca)

## Type
- [module](https://yorkeengr.com/regulatory-updates/layout_type/module)
- [section](https://yorkeengr.com/regulatory-updates/layout_type/section)
- [layout](https://yorkeengr.com/regulatory-updates/layout_type/layout)
- [row](https://yorkeengr.com/regulatory-updates/layout_type/row)

## Module Width
- [regular](https://yorkeengr.com/regulatory-updates/module_width/regular)
- [fullwidth](https://yorkeengr.com/regulatory-updates/module_width/fullwidth)

## Scope
- [not\_global](https://yorkeengr.com/regulatory-updates/scope/not_global)
- [global](https://yorkeengr.com/regulatory-updates/scope/global)

## Optional
- [Sitemap index](https://yorkeengr.com/sitemap_index.xml)