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Ammonia Fact Sheet

Water Security Agency

What is ammonia?

Ammonia (NH3) is a colorless, alkaline gas at ambient temperature and pressure, with a distinct pungent odor. Ammonia is very soluble in water and forms the ammonium cation (NH4+) on dissolution in water. In the pH range of most natural waters nitrogen exists principally as NH4+. Ammonia may be present in groundwater as a result of the degradation of naturally occurring organic matter or manmade sources. Natural ammonia levels in groundwater and surface water are usually below 0.2 mg/L, but many regions throughout the world have high levels of naturally occurring ammonia. Ammonia may also originate from nitrogen-fertilizer application, livestock operations, industrial processes, sewage infiltration, and cement mortar pipe lining. During 1998 to 2010, samples from 393 private water wells in Saskatchewan were analyzed for ammonia and it was detected in more than 87% of the samples with an average value of 1.19 mg/L.

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Topics: Gas Hazards & Dangerous Goods, Water & Wastewater Treatment

Sampling systems for gas measurement in wastewater applications.

Greg Shires

Water/wastewater organizations have for many years struggled with measuring gases and vapours in sewers over long periods of time.  

The physical nature of the application creates high levels of corrosive gases, heat, water and high humidity which negatively impact all sensors including catalytic, electrochemical and photo ionisation.

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Topics: Gas Detection, Water & Wastewater Treatment

Six Gas Detector Calibration in the Wastewater Industry

Greg Shires

Issues & Solutions for Calibrating a Six Gas Detector in the Wastewater Industry

Continuing improvements in workplace safety and the ongoing protection of workers within Industry is creating a new wave in the water/wastewater sector. Many organizations are moving towards measuring six (6) gases in sewage treatment and sewer lines throughout Australia.

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Topics: Gas Detection, Water & Wastewater Treatment