Fundamentally Different Factor

Term · Environment · MLC-T-ENV-011885

1. A component of a petitioner's facility that is determined to be so unlike those components considered by EPA during the effluent limitation guideline and pretreatment standards rulemaking that the facility is worthy of a variance from the effluent limitations guidelines or categorical pretreatment standards.

2. Those components of a petitioner’s facility that are determined to be so unlike those components considered by EPA during the effluent guidelines and pretreatment standards rulemaking that the facility is worthy of a variance from the effluent guidelines or categorical pretreatment standards that would otherwise apply.

3. Case-by-case variance from categorical pretreatment standards where the conditions at a specific IU are fundamentally different from the factors considered by EPA in developing the applicable category/subcategory standard. [paraphrased from 40 CFR 403.13]

Table 1. Record
Identifier	MLC-T-ENV-011885
Field	Environment
Subject	Water
Abbreviation	FDF
References	National Pollutant Discharge Elimination System (NPDES) Glossary; NPDES Permit Writers Glossary; Pretreatment Acronyms and Glossary

Record as JSON

{
  "id": "MLC-T-ENV-011885",
  "term": "Fundamentally Different Factor",
  "field": "Environment",
  "definition": "1. A component of a petitioner's facility that is determined to be so unlike those components considered by EPA during the effluent limitation guideline and pretreatment standards rulemaking that the facility is worthy of a variance from the effluent limitations guidelines or categorical pretreatment standards.\n\n2. Those components of a petitioner’s facility that are determined to be so unlike those components considered by EPA during the effluent guidelines and pretreatment standards rulemaking that the facility is worthy of a variance from the effluent guidelines or categorical pretreatment standards that would otherwise apply.\n\n3. Case-by-case variance from categorical pretreatment standards where the conditions at a specific IU are fundamentally different from the factors considered by EPA in developing the applicable category/subcategory standard. [paraphrased from 40 CFR 403.13]",
  "abbreviation": "FDF",
  "subject": "Water",
  "references": [
    "National Pollutant Discharge Elimination System (NPDES) Glossary",
    "NPDES Permit Writers Glossary",
    "Pretreatment Acronyms and Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/fundamentally-different-factor/"
}

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