44 Air Monitoring Air pollution is a global health emergency, says WHO


Ahead of last year’s United Nations Climate Change Conference, 450 medical organisations – representing over 45 million healthcare professionals across 102 countries – signed an open letter to the delegates. This so-called ‘climate prescription’ set out a range of measures to tackle climate change in the interest of preserving public health. ‘Wherever we deliver care,’ the letter declares, ‘we are already responding to the health harms caused by climate change.’


The usual suspects are named, of course – malnutrition caused by drought, injury caused by extreme weather, and the rise of new vector-borne diseases. But the signatories place a greater emphasis on a surprising factor: air pollution. And they’re not alone.


The World Health Organisation recently released another instalment in its popular YouTube series, Science in 5, which reiterated the group’s long-held conviction that air pollution is a ‘public health emergency’. It’s only short, but the video covers a lot of ground, placing the problem of air pollution in the urgent context of both the pandemic and the climate crisis. In 2019, the World Health Organisation published a report into the leading causes of death worldwide. One of its most troubling statistics shows that more than half of all annual deaths are the result of just ten illnesses.


In descending order, the leading causes of death are: ischemic heart disease, which is responsible for 16% of global deaths every year; stroke, which is responsible for 11%; chronic obstructive pulmonary disease, 6%; and lower respiratory infections – the deadliest communicable disease – which causes just over 5% of annual deaths.


In the latest instalment of Science in 5, the World Health Organisation asserts that all of these illnesses can be linked to air pollution. Such an extensive infl uence may be terrifying, but it promises somewhat miraculous effects if air pollution could be effectively tackled – indeed, the WHO estimate that a shift in levels of air pollution towards those suggested in the Organisation’s guidelines might bring about a reduction in global deaths of 80%. If addressing air pollution will improve public health in general, then, could this also mitigate the effects of specifi c illnesses, like SARS-CoV-2?


A meta-analysis conducted early in the pandemic by a group of researchers in the Chinese Republic found that out of 34 studies, there was a pattern of comorbidities for patients with COVID-19 whose outcomes were severe or fatal.


Although the most dangerous comorbidities are those without clear links to air pollution, like hypertension and diabetes, a number of those illnesses highlighted by the World Health Organisation are pulling their weight, too. For instance, cardiovascular diseases, which can be initiated by inhaled pollutants breaching pulmonary arteries and fi nding their way to the heart, were present in 13% of severely- and fatally-ill patients, and so were respiratory diseases, which were found in 8% of such patients.


There have been big improvements in Europe and North America in the last 20 years. In cities, less cars and the tackling of congestion, more public transport powered by sustainable, clean energy. In the UK, this is Clean Air Zones.


The big thing, though, and why the open letter was addressed to COP26 is that ceasing to burn fossil fuels will help – its effect on air pollution is partly why the WHO thinks that continued climate change will cause 250,000 additional deaths every year between 2030 and 2050. It is not so much the initial pollutants themselves but their after-effects.


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57389pr@reply-direct.com New high-fl ow air sampling pump


The Vortex3 is the most innovative high fl ow pump on the market, designed to simplify asbestos and air sampling. The high fl ow pump offers a fl ow accuracy better than +/-5%, ensuring confi dence in results.


Using Casella’s patent-pending, interlocking design, the Vortex3 has a comfortable handle and weighs just 2.17kg, allowing users to carry multiple units in one hand. This is a completely unique and new feature on the market, meaning asbestos clearance professionals save time and effort when taking pumps onto sites.


The Vortex3 has an IP65 rating, providing protection from dust and water ingress. Casella’s ergonomic design has ensured the high fl ow pump’s smooth body fi nish is free from small crevices that could hold fi ne airborne asbestos fi bres, allowing for safer decontamination and cleaning.


The Vortex3’s two-and-a-half-hour runtime at 12L/min with a typical fi lter ensures continuous performance. Available in two versions, the Vortex3 Pro model is compatible with Casella’s innovative Airwave App and Bluetooth connectivity, enabling users to remotely start, pause or stop a measurement run, monitor battery life and memory capacity and check measurement progress direct from a mobile device as well as allowing data from the pump to be emailed for additional traceability.


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High-Flow Air Sampling Pump


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IET MARCH / APRIL 2022 57467pr@reply-direct.com New heavy metal analysis in ambient air


Elvatech is a manufacturer of a range of EDXRF spectrometers for 31years. Established in 1991 Elvatech became one of the fi rst companies to start production of benchtop XRF spectrometers based on the using of Si-PIN Diode detectors.


Elvatech has lauched 2 new instruments: ProSpector 3 - the smallest, lightest and fastest handheld XRF analyzer on the market; ElvaX PmX-5050 – a revolutionary online elemental analyzer of heavy metals in the ambient air.


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ElvaX PmX-5050 is a Continuous Particulate Matter XRF Analyzer intended for online elemental analysis of heavy metals in the ambient air.


Previous solutions for PM monitoring were able to analyze only the total amount of particles in the air. But for a complete understanding of health impact and air pollution source elemental analysis of PM is necessary.


PmX-5050 is a fully stand-alone device for continuous analysis of particulate matter elemental composition.


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Turnkey solution for emissions surveillance in harsh environment


Chromatotec deployed in two areas a solution for VOCs emissions monitoring in process gases for a French manufacturer of fi ne chemicals and pharmaceutical intermediates and active ingredients.


The challenge was to deploy turnkey solutions without any gas cylinder for harsh environment conditions to replace lab GC which was not providing reliable results. The goal was to initiate the appropriate emergency response and damage repair measures as promptly and as precisely as possible, and to follow up with rigorous root cause analysis and comprehensive preventive and corrective actions.


As users are experts in process but not in gas monitoring, they ask for reliable solutions to provide results at a glance, sharing data through a web platform. The solution deployed allows monitoring on 10 specifi c VOC molecules classifi ed in French legislation as possible CMR in addition to total VOCs contribution. Dynamic fl ow concentration was integrated to convert gas concentration into mass fl ow. To be warned if an error occurred during the process, Chromatotec deployed its new report’air web-platform to send e-mails to authorized persons when concentration or mass fl ow exceed a specifi c value. The solution deployed was GC FID based with two GC in a wall mounted box including tactile screen and gas generators.


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