Keighley · COSHH / HSG258
Statutory thorough examination and testing of local exhaust ventilation for Keighley workshops and production sites, keeping fume and dust control compliant with COSHH and HSE guidance HSG258.
Keighley
Keighley is a West Yorkshire market town in the Aire Valley, around 49,000, an engineering town with a machine-tool heritage and the gateway to Bronte country at Haworth.
The signature trade is engineering - the precision and advanced manufacturing, the industrial boiler and pressure-vessel making, and the textile-machinery heritage - across the Royd Ings Avenue and Dalton Lane estates, with the bodyshops between them.
Every one of those Keighley processes puts fume, dust, mist or vapour into the air, and COSHH requires it controlled at source - which means local exhaust ventilation, thoroughly examined and tested at least every fourteen months. We test the LEV across all of it - from the Royd Ings Avenue units to the smaller Keighley workshops - with capture and face-velocity readings, a clear pass or remedial outcome and system labelling.
By sector
Where fume, dust, mist or vapour is pulled away at the point it is made, that is LEV - and for employers in Keighley and across West Yorkshire it stands as their COSHH evidence.
Machining, grinding and fume extraction across the engineering and advanced-manufacturing units, a trade rooted in the town's machine-tool heritage, where metal dust and mist need capture at source.
Weld-fume, thermal-cutting fume and grinding extraction across the boiler and heavy-fabrication bays, where metal fume and dust need capture proven.
Steam, dust and mist extraction across the food producers, where organic dust is both a health and a combustion risk.
On-torch extraction, fume arms and downdraught benches across the Royd Ings Avenue and Dalton Lane units. Since the HSE's 2019 reclassification, all welding fume - mild steel included - is treated as carcinogenic.
Spray-booth and prep-bay extraction at Keighley bodyshops. Two-pack paints release isocyanates - the leading cause of occupational asthma - so booth airflow is examined to its design figure.
Fume-cupboard face-velocity testing for Keighley College and Airedale General Hospital, to the containment their work demands.
On the ground in Keighley
We are out under Keighley's extraction every week. The proof that matters is the jobs, not a stock photo.
An industrial boiler works in Keighley had a weld-fume and thermal-cutting extraction arm on a plate-fabrication bay drooping short of the work because its internal spine had cracked. We clamped the arm to hold position, measured the capture at the tip and logged the mechanical fault. It passed on the airflow but failed on the arm's positioning integrity, so the hood could not be held over the weld. Since the HSE reclassified all welding fume as carcinogenic in 2019, on-torch capture was checked alongside the arm.
The test
Under HSG258 a statutory LEV test is no visual once-over. For a Keighley system it has to answer three things - whether the system is sound, whether it still draws at the hood, and whether that draw holds to what it was designed to deliver.
Ductwork, hoods, filters, fans and dampers checked for damage, blockage and leakage across the Royd Ings Avenue units - the faults that quietly kill capture.
Face and capture velocities, static pressures and airflows measured at each hood with calibrated instruments - numbers, not opinion.
Readings compared to the system's commissioning figures, so drift from as-designed is caught before it becomes a failure on a Keighley line.
Where exposure is in question - an engineering and advanced manufacturing process, say - sampling confirms whether control is actually protecting the people at the process.
The duty
Under Regulation 9 of COSHH the obligation sits squarely with the employer - any LEV that controls a hazardous substance needs a thorough examination and test at least every fourteen months, and the records held for five years.
For most Keighley sites - from the Royd Ings Avenue units to the smaller workshops - the fourteen-month clock is the one that bites: miss it and the system is non-compliant the day it lapses, whatever its condition. We examine, label each hood with its status and next-due date, and issue the report an HSE inspector or your insurer will ask to see. If something fails, you get the reading, the cause and the fix - not just a red sticker.
How it runs
Full visual and structural check of every hood, duct run, filter and fan across the Keighley site.
Calibrated velocity, pressure and airflow readings at each extraction point.
A COSHH-compliant report: results against benchmark, clear pass or fail, and plain-English actions for the Keighley duty-holder.
Each system tagged with status and next-due date, so compliance is visible on the Dalton Lane floor.
Questions
Under COSHH Regulation 9, most local exhaust ventilation needs a thorough examination and test at least every 14 months, with higher-risk processes more often. An engineering and advanced manufacturing bay, a boiler and pressure-vessel manufacturing bench and a lab fume cupboard can each sit on a different interval - we set the right one for every system.
Yes. A new spray booth or fume-arm install at a Keighley workshop needs a commissioning test to prove it performs to its design figures before it goes into service - we measure it and document the baseline the 14-month clock then runs from.
We record it as remedial and set out what is needed - airflow, ductwork, filtration or capture at the hood. You do the work and we re-test, and on a Royd Ings Avenue production line we can usually fit the re-test around your shifts. We will not pass a system that does not control exposure.
Engineering and advanced manufacturing, boiler and pressure-vessel manufacturing, food manufacturing, welding and fabrication, vehicle body and paint, and the labs of the college and hospital - the trades clustered around Royd Ings Avenue and Dalton Lane and across the wider West Yorkshire.
A dated report to the HSG258 method, the readings taken, a pass or remedial outcome for each hood, and system labelling - the evidence a duty-holder at Royd Ings Avenue or a smaller Keighley workshop needs for their COSHH file.
Yes - the industrial estates and workshops around Royd Ings Avenue and Dalton Lane, the university and hospital labs, and the wider West Yorkshire.
No. LEV testing is a statutory examination of fume and dust control to COSHH and HSG258, with capture and face-velocity readings; TR19 is kitchen grease and fire risk. We do both across Keighley, but a Royd Ings Avenue fabrication shop and a Cavendish Street canopy are kept as the separate jobs they are.
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