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Using CO2 to reduce refrigerant charge.

Author(s) : PEARSON S. F.

Type of article: Article, Review

Summary

As refrigerant charge increases, more onerous legal requirements are being placed on owners and operators of refrigerating systems using ammonia. In the U.S., facilities containing 500 lb (227 kg) of ammonia or more, must be reported to the local emergency planning committee. In addtiion, facilities containing more than a threshold quantity (TQ) of ammonia, must submit a risk-management plan to the U.S. Environmental Protection Agency. In California the TQ is only 500 lb (227 kg), but, generally, it is on the order of 10,000 lb (4536 kg). For all ammonia-refrigerating systems, irrespective of charge, losses of over 100 lb (45 kg) of ammonia must be reported to the National Response Center within 15 minutes by the person in command of the facility being made aware of the loss.

Details

  • Original title: Using CO2 to reduce refrigerant charge.
  • Record ID : 30008325
  • Languages: English
  • Source: ASHRAE Journal - vol. 54 - n. 10
  • Publication date: 2012/10

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