Good Practice When Buying or Using a Local Exhaust Ventilation System
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Sergeant Derek Miller Occupational Health Technical Officer, Royal New Zealand Air Force Directorate of Air Force Safety and Health, HQ485 Wing, RNZAF Base Auckland, Auckland 0662 derek.miller@nzdf.mil.nz (P17, Wednesday 26, Civic Room 2, 2.30)
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Good Practice When Buying or Using a Local Exhaust Ventilation System
- 1. Good Practice When Buying or Using a Local Exhaust Ventilation (LEV) System Sergeant Derek Miller – Occupational Health Technical Officer, Royal New Zealand Air Force [email_address] OHSIG – Wellington 26 – 28 Oct 2011
- 10. Inlets Outlets
Editor's Notes
- No process modification required Requirements are plain eg welding or solder fume
- Exposure benchmarks – (this is the exposure that may result once the system is in place, normally a fraction of a substances ezposure limit) need to be realistic and may require specialist advice. However in mixes etc there may not be exposure limits so may have to use the toxicity or safety phrase from SDS – This area should not constrain the designers or suppliers. Indicators – simple could be a warning light for go to red for change filter Easy to use etc – accessibility, skiin contamination, waste removal, filter changing etc without spreading contamination Training – Supplier provides training in how to use, check and maintain system User manual – describes system, how its used, check. Maintained and tested, performance benchmarks and part replacemnet schedules where necessary Logbook – record results of checks and maintenance
- Describe the errors in this system
- Constraints – number of hoods in use at one time