Manufactures air-particulate samplers - continuous time-sequenced PM2.5 + PM10 Streakers and cascade impactors suitable for PIXE, XRF, SEM, and other elemental analysis techniques.

Manufacturer of air sampling equipment for the industrial hygiene, safety, environmental and occupational health markets. Sample pumps, constant flow samplers, calibrators, gas sample bags, and VOC-sampling canisters.

Continuous emissions monitoring systems (CEMS) and services including: CEMS, opacity, oxygen analyzers, data acquisition systems (DAS), and stack services from maintenance to audits and RATA's.

Ozone analyzers, monitors, and controllers for gas-phase or liquid-phase process ozone, ozone safety (TLV), ozone leak detection, ozone generators, and ozone monitoring and delivery systems.

Products for measuring nitrogen oxides by the chemiluminescence technique.

Manufacturer of gas flow monitoring systems that utilize differential pressure technology. Gas flow monitors are custom-designed to match each gas flow stream condition.

Manufacturer of systems for continuous industrial monitoring of gas emissions and air quality.

Provider of continuous emission monitoring systems, gas analysers and gas detection systems.

Air sampling equipment for industrial hygiene, safety, environmental and occupational health.

Supplier of cascade impactors and air samplers.