EMP-3: Portable Mercury Survey Meter

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The Art of Analyzing Mercury in the Oil and Gas World

Many forms of mercury exist in the oil and gas world, such as elemental mercury, mercury chloride, mercury sulfide, and alkylmercury. Mercury behaves differently when it is mixed with hydrocarbon. This form of Hg tends to exhibit lower vapor pressure than when it does in ambient air. Some forms of mercury are emitted to the atmosphere via glycol overhead. It contributes to air pollution, creating a higher risk of workers' exposure to mercury through inhalation.

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Exposure to mercury can be in various multiple forms

Non-routine Exposure

  • Welding, polishing
  • Decontamination during Turnaround (TA) via steam or chemical cleaning
  • Handling a particular crude oil shipment with high mercury content
  • Spillage cleanup
  • MRU Changeout
  • Handling of mercury waste

Routine Exposure

  • Daily or weekly sample collection for laboratory testing
  • Perform routine cleaning
  • Perform routine maintenance

Many authorities such as ACGIH, OSHA, NIOSH have set occupational exposure limits to protect the workers.

EMP-3 is NIC's 3rd generation of Field-Portable Mercury Survey Meter that is designed for on-site measurement of gaseous elemental mercury (GEM) in workplace ambient air for occupational safety, health, and hygiene.

With an accurate estimate of the mercury situation within the processing plants and its impact on workers' safety and health, the hazards of mercury can be controlled and managed without affecting the operation, ensuring the operation sustainability and product stewardship eventually.

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