Alternative Operating Scenario

Term · Environment · MLC-T-ENV-001204

1. Scenario authorized in a part 70 permit that involves a change at the part 70 source for a particular emissions unit, and that either results in the unit being subject to one or more applicable requirements which differ from those applicable to the emissions unit prior to implementation of the change or renders inapplicable one or more requirements previously applicable to the emissions unit prior to implementation of the change.

2. Scenario authorized in a part 71 permit that involves a change at the part 71 source for a particular emissions unit, and that either results in the unit being subject to one or more applicable requirements which differ from those applicable to the emissions unit prior to implementation of the change or renders inapplicable one or more requirements previously applicable to the emissions unit prior to implementation of the change.

Table 1. Record
Identifier	MLC-T-ENV-001204
Field	Environment
Abbreviation	AOS
References	40 CFR 70.2 (CFR 2013); 40 CFR 71.2 (CFR 2013)

Record as JSON

{
  "id": "MLC-T-ENV-001204",
  "term": "Alternative Operating Scenario",
  "field": "Environment",
  "definition": "1. Scenario authorized in a part 70 permit that involves a change at the part 70 source for a particular emissions unit, and that either results in the unit being subject to one or more applicable requirements which differ from those applicable to the emissions unit prior to implementation of the change or renders inapplicable one or more requirements previously applicable to the emissions unit prior to implementation of the change.\n\n2. Scenario authorized in a part 71 permit that involves a change at the part 71 source for a particular emissions unit, and that either results in the unit being subject to one or more applicable requirements which differ from those applicable to the emissions unit prior to implementation of the change or renders inapplicable one or more requirements previously applicable to the emissions unit prior to implementation of the change.",
  "abbreviation": "AOS",
  "references": [
    "40 CFR 70.2 (CFR 2013)",
    "40 CFR 71.2 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/alternative-operating-scenario/"
}

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