Vehicle exhaust fumes

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This article highlights concerns over workers being exposed to high levels of vehicle exhaust fumes and the damaging effects this can cause. There is growing awareness of the impact over the exposure of diesel exhaust fumes in particular with a special focus on particulate matter (PM) and Nitrogen Oxide (NOx).

Recently we carried out monitoring within a port terminal gate to determine whether workers were being exposed to levels of PM1, PM2.5, PM10 and Total PM (Mcerts accredited), NOx, SO2 and NO2 (UKAS accredited) that were above the ambient workplace limits.

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Emissions Monitoring

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Recently we carried out emissions monitoring at an oil recovery facility that has the potential to release significant levels of Hydrogen Sulphide and VOCs.

Working in close proximity can be harmful to these chemicals can be dangerous, with Hydrogen Sulphide being an asphyxiant. The VOCs were analysed for each of the BTEX compounds – Benzene, Toluene, Ethylbenzene and Xylene. Each compound has a specific EH40 work place exposure limit which was compared against these results to see if levels were being breached.

 

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Oil mist particles in the air

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Many manufacturing activities require oil based lubricants to be used as part of their process. We can test for oil mist particles in the air whilst the employee is carrying out their normal everyday works or as background checks within a workshop or area.

Within this test, we can also check the total amount of particulates the employee is being exposed to as well as any concentration of oil.

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EMISSIONS TESTING

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EMISSIONS TESTING

Envirochem offer emissions testing for stack monitoring to technical guidance notes M1 and M2 including:

  • Crematoria emmisions to process guidance note PG 5/2 (95)
  • Local Exhaust Ventilation (LEV) checks
  • Particulate Emissions – Isokinetic based on TGN M1 & M2
  • Solvent Emissions Testing

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BRITISH OCCUPATIONAL HYGIENE SOCIETY COURSES

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Envirochem are an approved British Occupational Hygiene Society (BOHS) training provider for a range of asbestos related courses. The following courses are available periodically at our offices, please contact us for more information.

 

  • P401 – Identification of Asbestos in Bulk Samples (PLM)

    Theoretical and practical knowledge in the techniques of asbestos sample identification using stereo and polarised light microscopy.

  • P402 – Building Surveys and Bulk Analysis for Asbestos

    Theoretical and practical knowledge in the techniques of building surveying and sampling of asbestos containing materials.

  • P403 – Asbestos Fibre Counting (PCM) – (including Sampling Strategies)

    Theoretical and practical knowledge in the techniques of fibre counting of asbestos air samples using phase contrast microscopy.

  • P404 – Air Sampling and Clearance Testing of Asbestos

    Theoretical and practical knowledge in the techniques of air sampling and clearance testing of asbestos during removal work.

  • P405 – Management of Asbestos in Buildings

    Practical knowledge and skills to manage asbestos in buildings and audit asbestos removal projects.

For more information please call us on 01329 287 777 or fill out the form below

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Swab sampling in Havant

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A commercial office unit in Havant containing various industries, will be undergoing works to change one of their units into a new pharmaceutical lab. We were asked to swab the rooms in the unit and also the ceiling  and extraction ducts, for any residues before the lease of the new building is accepted. As part of a standard swabbing surveying, we completed organics, anions and pH analysis. The results from this survey will allow the company to supply the results and conduct any cleaning if necessary being the works begin.

 

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Paint sampling for analysing the concentration of lead

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As part of a major refurbishment project, we were asked by a company in Portsmouth to undertake paint sampling, for analysing the concentration of lead. This is so the paint is able to be safely disposed of, as well as protecting the employees carrying out the works by knowing the correct PPE to wear. We also do a paint suite which tests for cadmium, chromium and lead which are commonly found within paints and are heavy metals.

 

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Emission test for fluoride and particulates

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Recently in Southampton we carried out an emission test for fluoride and particulates. This is a different method compared to our normal emission testing, which requires impingers and condensers to capture the concentration of fluoride found within the emission stack. This method also takes three hours compared to the normal 30 minute sampling due to the different techniques involved.

 

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Checking gas levels with our Portable Dreager gas detector

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A local client in Southampton has recently installed a new oven for a more efficient drying process with their manufacturer.

Since the installation their air compressor does not draw in enough cold air to circulate within air fed masks used by the colleagues, and thought the installation could be the cause. We were asked to check the gas levels within the air being produced from the compressor to make sure the levels were adequate. Carbon dioxide and Oxygen levels were measured using our portable Dreager gas detector to measure and record the levels across a work week period.

Using our Dreager we can test for sulphur dioxide, methane as well.

 

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Personal Air testing for Silica Content

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A new client works within the electromagnet industry providing parts for MRI scanners. We visited their site which contains several units moving through the process from raw metal materials to the coiled magnet itself.

A new process involves mica tapes to wrap copper metal for the magnet. We carried out personal air testing for silica content and also inhalable and respirable mica particles due to the chemical having two EH40 limits, to make sure the employee was not subjected over the workplace levels.

 

For more information on this service and all our other services please do not hesitate to contact us on 01329 287 777 or fill out the form below;

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