Continuous Fenceline Monitoring for Benzene, VOCs & Hazardous Air Pollutants
Continuous Fenceline Monitoring for Benzene, VOCs & Hazardous Air Pollutants
Industrial facilities face increasing pressure to monitor emissions at the facility boundary, protect nearby communities, and comply with evolving environmental regulations.
Process Insights provides continuous fenceline monitoring solutions for benzene, volatile organic compounds (VOCs), ethylene oxide (EtO), and other hazardous air pollutants (HAPs). Using real-time quadrupole mass spectrometry and cavity ring-down spectroscopy (CRDS), our analyzers help facilities detect emissions earlier, identify leak sources faster, and improve regulatory compliance.
Applications include:
- Petroleum refineries
- Petrochemical plants
- Chemical manufacturing
- Ethylene oxide sterilization
- Tank farms
- Pipeline terminals
- Storage facilities
- Industrial manufacturing
To meet these demands with precision and efficiency, many facilities rely on the EXTREL™ MAX300-RTG™ real-time process mass spectrometer from Process Insights. The MAX300-RTG provides continuous, high-sensitivity analysis of benzene and other volatile organic compounds (VOCs), even at very low concentrations. Its ability to deliver near-instantaneous, lab-quality results enables industrial operators to quickly identify emission sources and take corrective action. Unlike slower traditional sampling methods, the MAX300-RTG ensures real-time data, supporting both regulatory compliance and proactive environmental stewardship.
What Is Fenceline Monitoring?
Fenceline monitoring measures airborne pollutants along the perimeter of an industrial facility to detect fugitive emissions before they impact workers, neighboring communities, or the environment.
Continuous monitoring helps facilities:
- Detect unexpected emissions
- Identify leak sources
- Verify environmental performance
- Improve operational awareness
- Support regulatory reporting
- Reduce environmental risk
- Build community confidence


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Why Continuous Monitoring Matters
Laboratory sampling and passive monitoring provide valuable information but may not identify emission events quickly enough for operational response.
Continuous analyzers provide:
- Near real-time measurements
- Immediate event detection
- Continuous trend analysis
- Faster leak investigation
- Earlier corrective action
- Better operational decision-making
- Reduced environmental risk
Pollutants Commonly Monitored
Benzene
Continuous benzene monitoring supports refinery compliance programs and helps identify fugitive hydrocarbon emissions.
Volatile Organic Compounds (VOCs)
Monitor multiple VOC species simultaneously to improve emissions management and process visibility.
Ethylene Oxide (EtO)
Measure extremely low EtO concentrations with CRDS technology for sterilization facilities and chemical manufacturing.
Hazardous Air Pollutants (HAPs)
Support monitoring programs for regulated air toxics and evolving environmental requirements.
Featured Products
Industries Served
Petroleum Refineries
- EPA benzene monitoring
- Fugitive emissions
- Tank farms
- Delayed coking
- Flare systems
Petrochemical
- VOC monitoring
- Process leaks
- Storage terminals
- Loading operations
Chemical Manufacturing
- Benzene
- EtO
- Solvent emissions
- Process gases
Industrial Manufacturing
- Facility boundary monitoring
- Worker protection
- Environmental reporting
Pipeline & Terminal Operations
- Storage tanks
- Transfer stations
- Loading facilities
TIGER OPTICS™ T-I Max EtO™ Trace Ethylene Oxide Gas Analyzer
Ideal for:
- Ethylene oxide monitoring
- Facility perimeter monitoring
- Sterilization facilities
- Chemical production
Benefits:
- CRDS technology
- Extremely low detection limits
- No consumables
- Continuous monitoring
EXTREL™ MAX300-RTG™ Quadrupole Mass Spectrometer
Ideal for:
- Multi-component VOC monitoring
- Benzene monitoring
- Ambient air analysis
- Continuous emissions monitoring
- High-speed gas analysis
Benefits:
- Quadrupole mass spectrometry
- Near real-time measurements
- Multi-component capability
- Continuous operation



