Arnold · COSHH / HSG258
Statutory thorough examination and testing of local exhaust ventilation for Arnold workshops and production sites, keeping fume and dust control compliant with COSHH and HSE guidance HSG258.
Arnold
Arnold is a Nottinghamshire town and the seat of Gedling borough, around 40,000, a framework-knitting town where the first Luddite frame-breaking took place in 1811, with the landmark Home Brewery building at Daybrook.
The work is light industry and food - the light engineering and metal fabrication, the hosiery and textile heritage, and the food and drink manufacturing - across the Brookfield Road and Sherwood estates, with the bodyshops between them.
Every Arnold process that gives off fume, dust, mist or vapour falls under COSHH, which requires the contamination held at source by local exhaust ventilation and that LEV thoroughly examined and tested at least every fourteen months. We test right across the site, from the Brookfield Road plant to the single-bench Arnold units, logging capture and face-velocity figures and returning a clear pass-or-remedial outcome with each hood identified and labelled.
By sector
Where fume, dust, mist or vapour is pulled away at the point it is made, that is LEV - and for employers in Arnold and across Nottinghamshire it stands as their COSHH evidence.
Grinding sparks, lathe mist and weld fume drawn off the benches of the sheet-metal and toolroom units along the A13 corridor, where fine metal dust and cutting-oil mist have to be caught at the tool before they reach the operator.
Fibre-dust, dye-vapour and mist extraction across the hosiery and textile units of the framework-knitting heritage, where fine fibre and vapour need capture proven.
Steam, dust and mist extraction across the food and drink producers, where organic dust is both a health and a combustion risk.
On-torch extraction, fume arms and downdraught benches across the Brookfield Road and Sherwood units. Since the HSE's 2019 reclassification, all welding fume - mild steel included - is treated as carcinogenic.
Spray-booth and prep-bay extraction at Arnold 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 the local college and the Queen's Medical Centre, to the containment their work demands.
On the ground in Arnold
We are out under Arnold's extraction every week. The proof that matters is the jobs, not a stock photo.
A light-engineering unit on Brookfield Road in Arnold had a weld-fume extraction arm on a 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 an Arnold 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 Brookfield Road 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 an Arnold line.
Where exposure is in question - a light engineering and metal fabrication process, say - sampling confirms whether control is actually protecting the people at the process.
The duty
The duty is written into COSHH Regulation 9: where LEV controls a hazardous substance, the employer must have it thoroughly examined and tested at least every fourteen months and keep the records for five years.
For the great majority of Arnold sites, from the Brookfield Road units to the one-man workshops, the fourteen-month deadline is what catches people out: once it passes the system is non-compliant regardless of its actual state. We carry out the examination, label every hood with its status and next-due date, and issue the report an HSE inspector or your insurer expects to see - and if a point fails, you get the number, the cause and the fix rather than a bare fail.
How it runs
Full visual and structural check of every hood, duct run, filter and fan across the Arnold 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 Arnold duty-holder.
Each system tagged with status and next-due date, so compliance is visible on the Sherwood Business Park 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. A light engineering and metal fabrication bay, a hosiery and textiles bench and a lab fume cupboard can each sit on a different interval - we set the right one for every system.
Yes. We plan testing around production shifts at the Brookfield Road units, term-time access at the Arnold university labs, and normal hours at smaller workshops, so the examination never stops the line.
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 Brookfield Road production line we can usually fit the re-test around your shifts. We will not pass a system that does not control exposure.
Yes. Each hood is labelled with its status and next-due date, and you get the HSG258 report and system schematic for your COSHH file - the record an HSE inspector visiting a Brookfield Road unit will ask to see.
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 Brookfield Road or a smaller Arnold workshop needs for their COSHH file.
Yes. A new spray booth or fume-arm install at an Arnold 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.
Yes - the industrial estates and workshops around Brookfield Road and Sherwood Business Park, the university and hospital labs, and the wider Nottinghamshire.
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