Glossop · COSHH / HSG258
Statutory thorough examination and testing of local exhaust ventilation for Glossop workshops and production sites, keeping fume and dust control compliant with COSHH and HSE guidance HSG258.
Glossop
Glossop sits at the western edge of the Peak District in Derbyshire, a Victorian cotton-mill town where the Pennine moors rise straight from the end of the high street. It grew up on the lands of the Duke of Norfolk - the Howard family who gave Howard Town its name - and made its fortune spinning and printing calico in the valley of the Glossop Brook.
Its working economy today runs on precision engineering, plastics and the fabrication trades, much of it grouped in the units at Graphite Business Park and Glossop Brook Business Park below the old mill town.
Every one of those Glossop 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 Graphite Business Park units to the smaller Glossop workshops - with capture and face-velocity readings, a clear pass or remedial outcome and system labelling.
By sector
If a process captures fume, dust, mist or vapour at source, that capture system is LEV - and across Glossop and the wider Derbyshire it is your evidence under COSHH.
Oil-mist and coolant-mist extraction on CNC machining centres in Glossop's engineering shops, heirs to the machine-tool and metals trades that filled the town's empty cotton mills after the war.
Steam canopies and flour-dust control in Glossopdale's bakeries and food producers, from butchers like Mettrick's near Hadfield to the units on the Glossop Brook and Wren Nest estates, where dough, flour and powder are drawn off at source.
Fine-dust extraction and downdraught tables at Glossop cabinet shops and joinery works, where hardwood and MDF dust is captured at the tool before it reaches the lungs.
On-torch extraction, fume arms and downdraught benches across the Graphite Business Park and Glossop Brook units. Since the HSE's 2019 reclassification, all welding fume - mild steel included - is treated as carcinogenic.
Spray-booth and prep-bay extraction at Glossop 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 local school science labs and technical workshops, to the containment their work demands.
On the ground in Glossop
We are out under Glossop's extraction every week. The proof that matters is the jobs, not a stock photo.
A family-owned electronics bench in Glossop had the extraction on its rework station not pulling as it should, down to a partly blocked filter on the unit. We measured face and capture velocities, ran smoke tests at each point and inspected the fan and filter. The tip extraction nozzles passed on re-test, backed by a signed report. We fitted the visit around the mid-afternoon lull so the team weren't disturbed.
The test
A statutory LEV test to HSG258 is far more than a look round. On a Glossop system it settles three questions: is the ductwork and plant intact, does it still capture at the hood, and does that capture still match the design.
Ductwork, hoods, filters, fans and dampers checked for damage, blockage and leakage across the Graphite Business Park 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 Glossop line.
Where exposure is in question - a precision engineering and manufacturing process, say - sampling confirms whether control is actually protecting the people at the process.
The duty
COSHH Regulation 9 puts a hard duty on the employer: any LEV controlling a hazardous substance must have a thorough examination and test at least every fourteen months, with records kept for five years.
Across most Glossop sites - the Graphite Business Park plant and the smaller units alike - it is the fourteen-month interval that trips people up, because a lapsed test leaves the system non-compliant from that date whatever its real condition. We run the examination, mark every hood with its result and next-due date, and produce the report your insurer or an HSE inspector will look for, and any failed point comes back with its reading, its cause and the fix rather than a bare red tag.
How it runs
Full visual and structural check of every hood, duct run, filter and fan across the Glossop 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 Glossop duty-holder.
Each system tagged with status and next-due date, so compliance is visible on the Glossop Brook 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 precision engineering and manufacturing bay, a food and drink production 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 Graphite Business Park units, term-time access at the Glossop university labs, and normal hours at smaller workshops, so the examination never stops the line.
Yes - the industrial estates and workshops around Graphite Business Park and Glossop Brook Business Park, the university and hospital labs, and the wider Derbyshire.
precision engineering, food and drink production, woodworking and joinery, welding and fabrication, vehicle body and paint, and laboratory fume cupboards - the trades clustered around Graphite Business Park and Glossop Brook Business Park and across the wider Derbyshire.
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 Graphite Business Park or a smaller Glossop workshop needs for their COSHH file.
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 Graphite Business Park unit will ask to see.
Yes. A new spray booth or fume-arm install at a Glossop 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.
Local knowledge
Ferro Alloys smelted and processed metals on Surrey Street for decades, its 250-foot chimney a Glossop landmark from 1977 until the site was cleared and the great stack finally demolished. That heavy-industry instinct still runs through the town's engineering and plastics shops, and every one of them carries a duty to control the mist, fume and dust its work throws off. We test and certify local exhaust ventilation to the standard COSHH sets, so the extraction reads true against its design figures.
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