Pressure Relief Disposal Method – Atmospheric Discharge Environmental Considerations

In this context, “environmental considerations” refers to the long-term, far-field effects of discharging relief streams to the atmosphere. This is in contrast to the “safety” concerns discussed above, which are restricted to the immediate impact of such releases, typically for worker safety and property protection. Environmental considerations tend to be more restrictive than safety concerns. For example, while atmospheric discharge of relief valves in gas plants and compressor stations may present no short-term hazards to worker or public safety, the cumulative effect of occasional discharges and leaks may not meet regulatory targets for VOC emissions. Engineers and managers should be informed about local environmental protection regulations and corporate and local management policies and targets concerning discharge of hydrocarbons and other compounds to the environment

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