Assertion: carbon dioxide | /r/HasProperty | discharged
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Source sentences:
text: The standard calls for safeguards such as pre-discharge alarms and time delays to ensure prompt evacuation prior to discharge, prevent entry into areas where carbon dioxide has been discharged, and provide means for prompt rescue of any trapped personnel.
text: In addition, NFPA 12 requires that a supervised "lock-out" be provided to prevent accidental or deliberate discharge of a system when persons not familiar with the system and its operation are present in a protected space (NFPA 12).4 The Appendix to NFPA 12 lists the following steps and safeguards that may be used to prevent injury or death to personnel in areas where carbon dioxide is discharged: (The degree of compliance with the suggestions provided in NFPA 12 varies across different facilities.