CoSHH Assessment - Limiting Exposure using Control Methods

The use of control methods should be broughtmaintenance and parts replacement.
into effect if risks have not been removed orAny defective equipment should be fixed as soon
reduced on completion of a CoSHH riskas possible and checks and actions should be
assessment.recorded for at least five years.
Control measures are always a combination ofFinally, once control measures are put in place and
equipment and ways of working to minimiseare implemented accordingly, you must ensure
exposure. Such measures may include extrathat they keep working effectively.
training, personal protective equipment, warningA member of the work force should be chosen
signage etc. You need control measures thatto be responsible for checking and maintaining
work and continue to work each and every daycontrol measures. This has to be someone who is
in order that you comply with CoSHH procedures.competent and who knows what they need to
When deciding how to control the hazards anddo and are able to do it.
risks which have been identified, a hierarchy ofChecks will include: ensuring that the process isn't
control measures should be adhered to.emitting uncontrolled contaminants, checking that
The first measure is to eliminate the hazard orthe control equipment continues to work as it
prevent the risk and use a safer one.was designed and making sure that employees
If exposure cannot be prevented, then the riskfollow the correct way of working.
must be minimised by measures considered in theTwo areas to consider where maintenance of
following order of priority:control measures is critical are local exhaust
Use a safer form of the substance, e.g. pasteventilation (LEV) and personal protective
rather than powder.equipment (PPE).
Alter and enclose the process to expel less of theIf your company uses local exhaust ventilation
substance.(LEV) to control exposure, then it must be
Extract any emissions of the substance near thechecked and examined annually.
point of supply.Personal protective equipment is frequently used
Have as few employees in harm's way asas part of control measures. This control method
possible.will only be successful if the equipment is checked
Provide workers with personal protectiveand maintained because should it fail, then the
equipment (PPE).wearer is no longer protected and is then
Control equipment comes in a variety of formsexposed to danger.
such as, glove boxes and fume cupboards andWhoever is responsible for the configuration,
spray booths and refuges.installation, maintenance and assessment of
The equipment should be supplied with a 'usercontrol measures must also possess the required
manual' and should include schedules for checks,skills, knowledge and CoSHH experience.