(Toxic Organic Chemical Air Monitor)
The Portable Micro GC for Air Monitoring

Tocam Portable Micro GC Air Analysis Tocam Portable Micro GC Air Analysis

The TOCAM is a Portable Micro GC for air monitoring. It uses a photoionization detector (PID) and helps customers quickly determine Total VOC and Single VOC concentrations in the field down to part-per-billion levels.

Features and Specifications
Chemical Capabilities
  • Benzene
  • TCE
  • PCE
  • BTEX
  • Pharmaceutical VOCs
  • Non methane organic compounds
  • VOC Priority Pollutants
  • Hazardous Air Pollutants (HAPs)
  • Other VOCs
PID Lamp
GC Column
5.2 meter
9 1/4" x 5 1/2" x 3" (23.5x14x7.6 cm)
30 oz (850 grams)
9 - 12 VDC , AC wall adapter
Computer Interface
Standard RS-232 port
2.1 x .75 inch LCD
Cycle Time
< 10 minutes, Programmable
Carrier Gas
None, ambient air is carrier gas


  • Chemical identification and concentration in under 10 minutes
  • Quickly measures total and specific VOCs including contaminants of concern such as Benzene
  • Micro-GC Technology makes a TOCAM smaller than a laptop computer
  • No specialty gases required - never runs out of carrier gas in the field
  • Easy to program GC temperature profile
  • Simple calibration process
  • Audible Alarm
  • Quantitative results display on screen
  • Chromatograms display real-time on computer
  • Easy-to-use analysis software
  • All test data stored in on-board memory

What Can the TOCAM™ Do?

The TOCAM Portable Micro GC can quickly and directly measure total and specific VOCs in air using two different modes.

Rapid Survey - Screening mode

In Rapid Survey Mode the TOCAM measures Total VOC concentrations. The TOCAM has an audible alarm that will sound when a set concentration of Total VOCs is detected. The TOCAM can also be set to have a certain concentration of Total VOCs trigger a full GC analysis to help determine what VOCs are contributing to the total VOC detection.

Full GC Analysis Mode

In Full GC Analysis Mode, the TOCAM measures individual VOCs including contaminants of concern. This mode gives individual compound concentrations.

Tocam Portable Micro GC Air Analysis
Tocam Portable Micro GC Air Analysis


  • Fence-line Monitoring: The TOCAM has a mounting bracket and options for data retrieval making it ideal for fence-line/perimeter monitoring.
  • Environmental Monitoring and Remediation
  • Mobile Outdoor Air Quality Measurements: The TOCAM can be mounted inside a vehicle with a sampling port to screen many areas for VOCs
  • Industrial Hygiene Air Sampling
  • Landfill Gas Monitoring
  • Indoor Air Quality
  • Vapor Intrusion: The TOCAM can detect many compounds in part-per-billion (ppb) levels and even sub ppb levels, making it ideal for vapor intrusion.
  • Process Monitoring
  • Soil Gas
  • Soil Vapor Extraction
  • Benzene Waste Operations NESHAP (BWON): The TOCAM can quickly and specifically measure Benzene in air.
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