Spectra's Environmental Division is recognized around the world as the pre-eminent manufacturer of calibration gas standards for the environmental monitoring community. Our proprietary cylinder passivation processes, combined with the most advanced manufacturing techniques and the latest analytical methods, provide customers with the standards they require.

Whether our customers' needs are at the percent or part per billion level, or they are monitoring stack emissions, auto emissions, ambient air or the workplace environment, analysts know that they can rely on Spectra.

1. Criteria Pollutants

.: U.S. EPA Protocols
.: Hg0 Standards
.: Hg+2 Standards
2. Volatile Organic Compounds (VOC)

.: BTEX
.: PAMS
.: Method TO-14
.: Method TO-15/TO-17
.: EN 12619