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Your go-to lab for PFAA, PFOS, Dioxin, soil vapor, and
ambient air testing.

Who says you can’t have it all?

Torrent is more than the premier environmental testing laboratory for Northern California, Southern California, and the Bay Area. We’re also the trusted expert for a host of environmental testing disciplines, including PFOS, PFAA, Dioxin, soil vapor, and ambient air. In fact, our expertise in these areas has earned some of the industry’s most respected certifications, testament to our ability to meet the highest levels of scrutiny, year in and year out.

Read on to learn more about our capabilities.

The full list PFAAs testing.
From your full-service lab.

Torrent Laboratory was already renowned for Department of Defense certification for PFAAs. Now we’ve been certified by the state of California for PFAA testing of drinking water, waste water, and hazardous waste (aqueous and solid, including soil).

High doses of PFOA and PFOS have been shown to cause cancer, physical development delays, endocrine disruption, immune impairment, fetal growth reduction, and neonatal mortality in animal studies. With dual-certified PFAA testing for the full list of PFAA compounds, Torrent Laboratory offers accurate assessment of PFAAs in your environment.

Dioxin testing with the fastest turnaround time in North America.

There’s fast. Then there’s fastest. Torrent Laboratory offers the fastest TAT for dioxin testing in the U.S., Canada, and Mexico.

Dioxins and dioxin-like substances are an extremely toxic family of chemicals. Because they’re difficult to remediate and can persist in the environment for a substantial length of time, assessment and clean-up of these persistent pollutants are crucial. Torrent Laboratory gives you the data you can trust—fast.

Advanced soil vapor testing.

At Torrent, we offer two types of soil vapor testing: regular and low-level reporting.

The regular TO-15 test method, which has reporting limits of around 0.5 ppbv, is sufficient for most soil vapor monitoring. For residential or commercial environmental screening levels (ESLs), we also offer low-level reporting. Using the TO-15 SIM technique, this sensitive methodology can report the data at the 0.005 ppbv level, making it ideal for the most precise applications.

Testing the air.

As air analysis evolves, so have we. In addition to offering ambient air testing, we continually invest in new methods, technologies, and procedures to offer the most advanced testing available. We supply data for a range of air methods, including NIOSH, OSHA, ASTM, and EPA Air Compendium Methods (TO, CO, IO). Our unwavering commitment to quality is inspired by increasing environmental awareness and accountability, our clients’ needs, and our dedication to the continual advancement of testing and analysis.

A partial list of our air/soil vapor testing capabilities:

  • TO-15 (VOCs)
  • TO-17
  • TO-17 (VOCs)
  • Fixed Gases
    (ASTM D1946)
  • TO-11
  • Sulfur Compounds
    (ASTM D5504M)
  •  Diesel Particulates
    (NIOSH 1550)
  • Hex Cr
  • NIOSH 7303 Metals
  • TO-10 Pesticides
  • Indoor Air
  • TO-13 PAHs

The Torrent advantage.

Torrent Laboratory provides the most advanced capabilities in the region. Our full-service lab offers a host of advantages including: 

  • Highest certifications 
  • Fastest possible TAT in the industry
  • Unrivaled technical and customer support
  • Unparalleled on-time performance
  • Impeccable quality 
  • Competitive pricing 
  • Convenient geographic location

Technical Certifications:

Business and Administrative Certificates:


Discover what sets us apart. See why we’re the premier environmental testing laboratory for Northern California, Southern California, and the Bay Area. Put our expertise to work for you.