Effective Air Quality Monitoring using Mobile Air Monitoring Labs

TOFWERK mobile labs facilitate comprehensive, simultaneous measurement acquisition of an extensive range of VOCs and VICs in real time from almost any location.

Comprehensively measure various VOCs and VICs in real-time, simultaneously, from anywhere.

Comprehensively measure various VOCs and VICs in real-time, simultaneously, from anywhere. Image Credit: TOFWERK

In January 2023, TOFWERK supplied the Colorado Department of Public Health and Environment (CDPHE) with a mobile laboratory. TOFWERK has also assembled and operated comparable mobile monitoring facilities worldwide, including locations in China and Europe.

The unparalleled capabilities of Vocus mass spectrometers make them the ideal solution for various air measurement applications. In terms of both performance and the compact footprint of the units, Vocus is being increasingly praised for its use in mobile lab applications.

Features

  • Robust, responsive, rapid, mobile analysis of trace gases that covers both VOCs and VICs
  • Uninterrupted operation supported by a self-sufficient power system
  • Numerous sensors seamlessly integrated into a universal data flow
  • Complete mobile workspace for on-site operations, including a cockpit, workstation, gas cylinder storage, tools, and cabinets

Scientists and regulators using Vocus mobile air monitoring labs can be safe knowing they are adequately prepared for emissions monitoring campaigns.

Conventional fenceline monitoring systems have work to do to match Vocus systems' speed, sensitivity, and measuring capabilities. With heightened sensitivity and rapid capture, Vocus measures an extensive range of VOCs and VICs in the field in real time.

It traces known hazardous compounds while measuring thousands of other compounds, several of which can pose health risks and other hazards. Specialized software simplifies data merging from the different sensors into a single visual representation and data file.

Mobile lab cockpit for observing real time data stream infield.

Mobile lab cockpit for observing real time data stream infield. Image Credit: TOFWERK

Compound Coverage and Lab Specifications

Source: TOFWERK

. .
Select List of Monitored Compounds (Typical pptV LOD 1 minute) HCN
<20
Formic Acid
<20
A-pinene
<20
Tomuene
<20
Nitric Acid
<100
Xylene
<20
Cl2
<10
Br2
<10
Cino2
<10
Power (4) 400 AH lithium batteries. Three hours independent run time possible (minimum, including AC).
More than 10 hours of independent run time without AC. No generator is required.
(2) 3500-watt pure sine inverter/charger to provide 2 separate 120 V circuits
Additional 400 W total solar panels with circuit breaker.
Dedicated outlets for all instruments. Sufficient power beyond instruments and HVAC to provide 1800 W for inlet heaters, laptops, future additional analyzers, etc.
HVAC 13.5 BTU fan roof-mounted air conditioner. Insulated walls with birch liner.
Racks Structural mounts for 2 Vocus mass spectrometers (shock-absorbing) and Picarro monitor.
2 working desks with electrical lift; overhead cabinet; gas cylinder.
Sampling of
Outside Air
Three anodized aluminum interior->exterior ports for sampling inlets, weather station, instrument exhaust.
Aluminum flat-bed roof system with ladder.
Teflon inlet with additional pumping, and temperature regulation.
Integrated H2S
Data Stream
Picarro model G2204 combined CH4 and H2S analyzer with associated consumables and support relevant for mobile lab (LOD 3 ppb).
Met Data, GPS Gill MaxiMet GMX500.
Data processing and upload TOFWERK Tweb and Vocus Mobile software.
Training and Support Provided by technical staff from TOFWERK USA’s Boulder, Colorado facility (1 hour from CDPHE Aurora location).
2-year warranty Provided with scope specified by CDPHE.

 

Acknowledgments

This article was sourced, reviewed and adapted from materials originally supplied by TOFWERK.

This information has been sourced, reviewed and adapted from materials provided by TOFWERK.

For more information on this source, please visit TOFWERK.

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