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CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER D—WATER PROGRAMS (Parts 100–149) > PART 117—DETERMINATION OF REPORTABLE QUANTITIES FOR HAZARDOUS SUBSTANCES > SUBPART A—General Provisions (§117.1 to §117.3) > 117.2—Abbreviations.
117.2—Abbreviations.
NPDES equals National Pollutant Discharge Elimination System. RQ equals reportable quantity.