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| Aspect | Sub-Aspect | Impact on Environment |
Event Probability
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Scale of Impact
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Significance
Index |
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| Processes | Finishing | |||||
| Processes | Fume and odour emissions to local atmosphere | Nuisance impact | ||||
| Noise emissions | Nuisance impact | |||||
| Waste rinse waters discharged to foul sewer | Trade effluent discharge | 3 | -1 | -3 | ||
| Finishing Processes | Use of corrosive and toxic chemicals in tanks | Corrosion of building materials | - | - | - | |
| Drained to foul sewer system in event of leak from tank | 1 | 2 | 2 | |||
| Draining of spent chemicals into effluent plant | Trade effluent discharge | 3 | -1 | -3 | ||
| Lack of emergency spill kits | Hazardous to health of employees | 3 | 2 | 6 | ||
| New Process | Use of organic solvent paint | Indirect impacts on environment associated with production and transport of organic solvent paint | - | - | - | |
| Use of recovered gunwash | Reduced environmental impact associated with manufacture and disposal of solvent | - | - | - | ||
| Solvent emissions |
Production of ground level ozone
Depletion of ozone layer |
3 | 2 | 6 | ||
| Odour emissions | Nuisance impact | - | - | - | ||
| New Coating Process | Operation of curing oven | Waste heat lost to local atmosphere | 3 | 1 | 3 | |
| Storage of large quantities of paint | Solvent emissions (see above) | 3 | 2 | 6 | ||
| Waste containers, solid paint waste, waste sludge, used gunwash and oil / water condensate | Special waste | 3 | 1 | 3 | ||
| Scrap metal components | Controlled waste | - | - | - | ||
| Extraction System | Removal of odours and fumes from plating shops | Beneficial impact on health of employees | - | - | - | |
| Effluent Treatment. Plant | Consumption of hazardous chemicals to dose waste streams from plating tanks | Indirect impacts on environment associated with production and transport of hazardous chemicals | - | - | - | |
| Trade effluent discharged to foul sewer | 3 | -1 | -3 | |||
| Settlement tank | Filter cake disposed of to landfill as special waste | 3 | 1 | 3 | ||
| Discharge of untreated effluent in event of breakdown | Damage to sewer | 2 | 2 | 4 | ||
| Testing | Discharge of test solutions into drainage system | May act as respiratory poisons in flora and fauna | 3 | 2 | 6 | |
| Plated Components | Improved useful life of components | Reduces impact on environment | 3 | -1 | -3 | |
| Scrap components (contaminated waste) | Special waste | 3 | 1 | 3 |