LEV Testing · Truro
Truro's riverside boatyards, marine engineers and hospital and laboratory departments raise resin vapour, weld fume and clinical aerosol the law says must be controlled. We examine and test local exhaust ventilation to HSG258 and certify it.
Truro's working side runs to the water and the wards - the boatyards and marine engineers of the tidal river below Newham, and the laboratory and mortuary departments of the county's main hospital at Treliske. Their resin and glassfibre bays, welding stations and fume cupboards each raise something a local exhaust or extraction system has to capture at source.
LEV works hard and quietly loses its edge - filters load, ducts fur, a fan tires - until a hood stops holding the exposure. We carry out thorough examination and testing to HSG258 across Truro: measured capture and face velocities at the working points, a judgement against how the system was meant to perform, and a label carrying a next-due date you can trust.
CNC and manual machining raises oil mist and metal dust at the enclosure and bench that has to be captured at source.
Flour, powders and steam need capture at the mixing and process points, from bakeries to production kitchens.
Saws, sanders and routers throw fine wood dust that has to be drawn off at the tool and the bench.
Weld fume and grinding dust need capture at the arm and booth, wherever steel is fabricated.
Bodyshop spray booths and prep bays carry paint mist and solvent vapour that the extraction has to hold and clear.
Fume cupboards, safety cabinets and dental and salon extraction all count as LEV and all fall due on the same clock.
Real jobs, described by sector and area - never by a client's name.
In a Truro riverside boatyard, the extraction over the resin and welding work needed its thorough examination. We measured capture at the working points and the airflow through the system, found one reading down, set the fix, and re-tested before certifying.
A Treliske hospital laboratory needed its fume cupboards testing. We measured face velocities at each cupboard, checked the extract, and labelled the plant with the readings and next-due date.
Condition of hoods, ducting, filters and fan - the damage, blockage and wear that quietly drops performance.
Measured capture and face velocities at the working points, plus transport velocity and static pressure through the system.
The readings assessed against how the LEV should perform to actually control the exposure - not just whether the fan turns.
Where the process warrants it, sampling to confirm the control is keeping the substance out of the breathing zone.
A thorough examination and test under COSHH is a real assessment, not a rubber stamp. It is a structured examination of the system's condition, measurement of its actual performance, and an assessment of those readings against how the system should perform to control the exposure. It follows the HSE's guidance, HSG258, and ends in a report and a label.
We test to the HSE's guidance, HSG258, and the job ends in a report and a label on the plant: what was measured, what passed, what needs putting right, and the date the next test falls due.
We examine the condition of the hoods, ducting, filter and fan and how each is meant to control its process.
We measure capture and face velocities, transport velocity and static pressure at every key point.
The readings are judged against the design benchmark under HSG258, with a clear pass or fail on control.
The plant is labelled and you get the report and next-due date for your COSHH records.
At least every 14 months for most systems, sooner for higher-risk work such as resin work and laboratory processes. We match the interval to the process and label the next-due date on the plant.
The condition of hoods, ducts, filters and fan, and measured capture, face, transport and static-pressure readings - all weighed against how the LEV should perform to control the exposure.
We set out what failed and why, usually a single reading, so it can be corrected, then re-test to confirm control before certifying.
Yes - the marine, laboratory and engineering units across Truro, and the wider Cornwall.
No - resin and glassfibre vapour, weld fume, fume cupboards, clinical aerosol and machining mist all fall under the same duty.
Truro's boatyards, marine engineers and hospital departments carry the city's resin, weld and clinical work, the vapour, fume and aerosol drawn off wherever it is raised. We test to HSG258 so those rooms can prove their extraction holds what their people would otherwise breathe.
We have carried out LEV thorough examination and testing to HSG258 since 2001, across Cornwall and the UK. From a machine shop to a joinery, a spray booth or a lab fume cupboard, the job ends the same way: measured readings, a clear verdict, and a label whose next-due date you can rely on.
Tell us what you run and we will examine, measure, report and label it to HSG258 - across Cornwall.
