Erthwrks, Inc. - Now Certified for South Coast AQMD Emissions Testing

At Erthwrks, Inc., we are proud to announce our approval under the South Coast Air Quality Management District’s (South Coast AQMD) Laboratory Approval Program (LAP). This certification allows us to offer specialized emissions testing services that meet the quality and performance standards required by South Coast AQMD.

There are a variety of rules that require the use of a LAP-approved laboratory. Our SCAQMD approved methods and testing capabilities include:

South Coast AQMD Methods 1-4: Enabling precise measurement and analysis of air samples for accurate mass emission calculations.
South Coast AQMD Method 100.1: For analysis and reporting of pollutants including nitrogen oxides (NOx), carbon monoxide (CO), and sulfur dioxide (SO₂).
South Coast AQMD Method 25.1 (Sampling) and Method 25.3 (Sampling): Specialized volatile organic compound (VOC) testing methods ensure the highest levels of accuracy and compliance with regulatory standards.
South Coast AQMD Rule 462 Testing: Focused on VOC testing for emissions from vapor combustion units (VCU), incinerators, and vapor recovery units (VRUs) to support regulatory compliance for organic liquid loading terminals (such as bulk gasoline terminals and marine loading terminals).

Our LAP certification grants Erthwrks the ability to provide emissions testing for mass emission rates of key pollutants such as NOx, CO, SO₂, and VOCs, from an extensive variety of industrial sources.

Accredited Expertise You Can Trust: An Industry Compliance Partner

In addition to SCAQMD LAP certification, Erthwrks, Inc. is also an approved independent contractor through the California Air Resource Board (CARB) and is also accredited as an Air Emission Testing Body (AETB) under the ASTM D7036 standard. Accredited by both the American Association for Laboratory Accreditation (A2LA) and the Stack Testing Accreditation Council (STAC), we uphold the highest standards of testing accuracy, reporting, and quality assurance.