Latest HSE guidance in 5 simple steps…
Posted on March 27, 2018The guidance objective is to ensure MWFs are effectively managed to minimise risk of occupational health issues in the workplace
STEP 1
Guidance emphasises the legal requirements under COSHH legislation for employers to conduct risk assessments including reducing exposure and good fluid management application processes
- All records of fluid analysis to be kept for at least 5 years
- All records of exposure to Hazardous Chemicals and employee health records to be kept for 40 years
- Prevention of skin contact and dermatitis by use of suitable PPE
- Prevention of serious health issues by reducing exposure and other control measures eg; LEV, mist monitoring and mist generation
STEP 2
MWF storage in compliance with the Oil Storage Regulations MWF mixing – Recommends use of mixer units and good quality water supply
- Store product in a dry bunded area
- Use industry recognised mixing equipment
- Install water treatment equipment to improve quality where required
STEP 3
Guidance outlines the main reasons for maintaining MWFs and the specific areas for control
- Concentration – check at least WEEKLY
- pH – check at least WEEKLY
- Tramp oil – check at least WEEKLY. Recommended max limit of 2%
- Swarf/fines – Risk assessed based on machining process and keeping to a minimum
- Dissolved metals – to be monitored and controlled as per EH40 listing
- Bacteria – Check at least weekly (unless data can justify longer testing regime). New Level for action is now >10⁴ CFUs. Biocide use to be a last resort. Emphasis on good fluid management and regime
of system cleaning (with system cleaner) - Temperature – check WEEKLY
STEP 4
Guidance emphasises control of MWF mists by
- Reviewing products, processes, use of LEV, use of suitable PPE
- No maximum for exposure has been set however levels to be controlled as low as is reasonably practical, including employee health monitoring
- Initiating effective maintenance programmes for LEV systems – at least every 14 months
STEP 5
Guidance emphasises correct system cleaning with a suitable system cleaner. Guidance advises on correct segregation, storage and disposal of waste MWF