
Hydrocarbon Calibration Gas Mixtures
- NIST traceable multi-hydrocarbon mixtures
- Stable PPM/PPB blends via proprietary process
- Disposable cylinders for field & overseas use
NIST Traceable Gas Standards
OSHA Compliant Calibration
SpecGas Inc. provides NIST-traceable methane calibration gas standards and hydrocarbon calibration gas mixtures engineered for precise instrument calibration, environmental emissions monitoring, industrial safety testing, and research applications. Available in PPB to percent concentrations with proprietary cylinder treatment for extended shelf life and stability.




SpecGas Inc. offers methane calibration gas from sub-PPB levels up to percent-level concentrations, including 50% LEL (2.5% CH₄ by volume) for combustible gas detector calibration. Custom concentrations at low PPM and PPB levels are available for environmental monitoring, research, and industrial applications. Contact SpecGas to specify your required concentration.
Talk to our experts for custom solutions and tailored guidance.

Methane calibration gas for wellsite leak detection, pipeline monitoring, and EPA emissions compliance reporting.

CH₄ calibration standards for atmospheric greenhouse gas stations, landfill gas, and biogas plant monitoring.

High-purity methane and hydrocarbon calibration mixtures for gas chromatography and precision analytical research tasks.

LEL and confined space methane calibration gas for bump testing 4-gas monitors and combustible gas detectors.
Talk to our experts for custom solutions and tailored guidance.
All methane and hydrocarbon calibration gas mixtures are blended in-house, enabling rush service and delivery timelines far ahead of industry standards.
Our unique internal cylinder treatment process ensures reactive gas mixtures remain stable at low PPM and PPB levels, backed by the SpecGas Stability Guarantee.
Founded by research chemist Alfred Boehm with roots tracing to 1976, SpecGas brings unmatched technical depth in producing difficult-to-blend NIST-traceable calibration gases.
Submit your requirements and a SpecGas specialist will respond with pricing, lead times, and custom blending options for your application.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.