Capabilities Statement

Durridge has provided professional, scientific-grade electronic radon/thoron monitors to public and private entities for 25 years (since 1997).

  • Our focus on client needs, competitive pricing, and superior quality has led to a roster of high quality customers.
  • Our customers select us for their sophisticated radon and thoron monitoring needs, as we are recognized as a premier solution provider offering a high end instrument coupled with accessories for doing measurements in air, water, and soil gas.
  • We also provide what is frequently cited by our customers as the best software for graphing and analysis.
  • We pride ourselves on our flexibility and personal service, which enable us to build relationships with our customers and keep them satisfied.
Past Performance

Our customers comprise a large number of public and private entities including but not limited to:

  • US Geological Survey (several Water Science Centers nationwide)
  • U.S. Environmental Protection Agency
  • Lawrence Berkeley National Laboratory
  • Lawrence Livermore National Laboratory
  • Argonne National Laboratory
  • Pacific Northwest National Laboratory
  • Woods Hole Oceanographic Institute
  • Harvard University
  • Yale University
  • California State University
  • University of North Carolina
  • South Dakota School of Mines
  • Departments of Health for the states of Massachusetts, Maine, Montana, Alabama, Arizona, etc.
  • The only US company that offers high end, research grade instruments for continuous monitoring of radon and thoron at a reasonable price
  • Our instruments are versatile enough to be used for a variety of applications: geological (hydrogeology, seismology, volcanology), oceanography, limnology, indoor air quality, industrial hygiene, health physics, and particle physics research
  • We offer a full complement of accessories for measuring radon/ thoron in air, water, and soil gas
  • Radon and thoron can be measured independently and accurately, without mutual interference
  • Electrostatic precipitation technology with sophisticated silicon detector enables high resolution alpha spectrometry for the highest accuracy and precision