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The Journal for Employee Protection
The Journal for Employee Protection
Ion Science (www.ionscience.com) – leading manufacturer of
high-performance gas detection instrumentation for global occupational health
and environmental monitoring applications – is highlighting the suitability of
its ergonomically designed Mercury Vapour Indicator (MVI) for rapid and
reliable mercury detection during decommissioning, demolition, repurposing or
refurbishment of industrial plant, laboratories and other premises.
Environmental pressures and subsequent
legislation* to control hazardous substances has resulted in a sharp decline in
the use of mercury although it remains an important chemical in many industrial
processes, including the production of chlorine, cement, caustic soda and
sulphuric acid and a wide range of products.
Exposure to excessive levels of mercury
can permanently damage or fatally injure the brain and kidneys. Elemental
mercury can also be absorbed through the skin and cause allergic reactions.
When properly contained and controlled,
mercury can be used safely. Problems start when premises that have historically
used the chemical are demolished, decommissioned, repurposed or refurbished. It
means mercury that has been contained for decades can be released into the
Ensuring that facilities are safe during
construction and that there is no health risk associated with any repurposed
land and new or refurbished buildings when they are occupied places an emphasis
on effective contamination monitoring.
Ion Science’s MVI is a revolutionary
handheld instrument that can detect mercury in just three seconds. The MVI’s
dual beam UV technology eliminates the problem of saturation and the need for
regeneration between readings, maximising its availability and uptime.
and accurate, Ion Science’s MVI provides continuous readings and offers two
detection ranges of 0 – 200 µg/m3 (res.
0.1 µg/m3) and 0 – 2000 µg/m3 (res. 1 µg/m3).
These two ranges provide critical coverage for the OSHA PEL at 100 ug / m³ and
the IDLH at 1000 ug / m³.
A high-performance pump ensures fast
indication and recovery and the instrument’s audible alarm and large digital
display clearly indicate the levels of mercury present.
Other conventional monitoring
technologies have limitations. For example, cold vapour atomic absorption is
excellent at detecting sub parts per billion (ppb) concentrations of mercury
but is far too sensitive for use industrial premises and will over-range,
making it impossible to pinpoint mercury sources.
Gold film mercury vapour instruments
offer a much wider range but are quickly saturated and then have to be
regenerated away from the contaminated area before they can be used again.
Ergonomically designed for simple,
one-handed operation, the MVI is the ideal survey unit for rapid and reliable
mercury detection. It helps to pinpoint mercury sources in even the most
Ion Science Ltd is a leading manufacturer of gas detection instrumentation within industrial applications. Our product portfolio ranges from our revolutionary photoionization detectors (PIDs) for volatile organic compounds (VOCs) with optimal performance in humid and dirty working environments, to IAQ monitors, gas leak detectors and mercury analysers, all distributed world wide.
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