VOC Testing Methods

chemical analysis

Applied Technical Services (ATS) offers a variety of VOC Testing Methods for clients looking to determine the composition of VOCs (Volatile Organic Compounds) in a given test material. VOCs are chemical compounds that include gases emitted from either solids or liquids at normal room temperature or slightly elevated temperatures. Various products from household items to the car you drive can be emitters of VOCs, with certain compounds being dangerous to human health and/or the environment when released above the government established limits.  

One of several VOC Testing Methods ATS performs is EPA Method 24, which was established in 1984 as a means of regulating these harmful compounds in surface coatings. A Method 24 analysis yields general VOC composition values (such as density and water content) in the first section, while the specific compounds present in the sample material are identified during the second half of the test. Testing in accordance with EPA Method 24 is recommended for liquid samples such as inks, paints, or coatings.

This general technique involves using Headspace GC/MS (Gas Chromatography/Mass Spectrometry) analyzers to discover VOCs in samples of liquids or solid materials. In GC/MS Headspace Testing, a sample test product is heated at a specific temperature for a predetermined time length before the VOC content is determined. 

Both GMW 15634 and VDA 278 standard testing use dynamic thermal desorption to determine the VOC content in various non-metallic materials. When performing either of these tests, a thermal desorption (TD) unit heats a sample until it off-gases and emits VOCs into a GC/MS analyzer. GMW 15634 is particularly helpful in testing vehicle interior components, as both the EPA and the automotive industry have developed standards for the maximum content of VOCs in such materials. The VDA 278 method is frequently utilized in emissions testing, although the same standard has also been adopted by other industries for evaluating a variety of non-metallic materials.

Testing Capability

At ATS, various VOC Testing Methods are performed by our skilled chemical analysis personnel, who routinely use specialized equipment to deliver clear and precise results. ATS maintains an ISO 17025 chemical scope of accreditation. 

The Following Tests Are Based on EPA Method 24:

  • ASTM D3960

GC/MS Headspace Testing Methods Include:

  • ASTM D4526
  • EPA 5021
  • EPA 8260C

*GM 15634 is directly based off VDA Method 278

We Perform VOC Emissions Testing Under:
  • VDA 277
  • VDA 278
Dependable Testing

Since 1967, ATS has grown exponentially as a reliable testing and inspection service provider across both national and international markets. We serve clients from a variety of industries, including:

ATS Professional Experts

ATS maintains an excellent reputation for uncovering facts in materials testing, chemical analysis, nondestructive testing, forensic and consulting engineering, and metallurgy. Our qualified personnel are familiar with the regulations of their respective industries and are always committed to delivering accurate results and efficient services.

Our Experts Include:

  • Chemists
  • Scientists
  • Metallurgists
  • Certified Inspectors and Technicians
  • Professional Engineers Across Various Disciplines
Quality Assurance Credentials

ATS’ Quality Assurance Department continuously works toward improving the excellence of our quality testing, inspection, and consulting engineering services. Our Quality Management System complies with the standards and regulations observed in the various industries we serve. 

ATS Accreditations and Certifications Include:

  • ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Labs
  • ISO 9001:2015 Quality Management System
  • Nadcap Accredited for NDT and Materials Testing
  • Certified by the European Aviation Safety Agency (EASA)
  • FAA Repair Station
  • EN71 European Toy Safety Testing
  • CPSC Accredited Lab

Our Quality Program Also Satisfies the Following Quality Standards:

  • 10CFR Part 50 Appendix B Quality Assurance Criteria for Nuclear Power Plants
  • 10CFR Part 21 Reporting of Non-compliance
  • ASME NQA-1 Nuclear Quality Assurance Requirements

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