Los Alamos National Laboratory

Los Alamos National Laboratory

Delivering science and technology to protect our nation and promote world stability


This is a quick guide to commonly used abbreviations and acronyms used in conjunction with the NPDES Industrial Permit.


  • Environmental Communication & Public Involvement
  • P.O. Box 1663 MS K491
  • Los Alamos, NM 87545
  • (505) 667-3792
  • Email

List of abbreviations and acronyms

  • 4Q3: Lowest four-day average flow rate expected to occur once every three-years
  • BAT: Best available technology economically achievable
  • BCT: Best conventional pollutant control technology
  • BMP: Best Management Plan
  • BPT: Best practicable control technology currently available
  • BOD: Biochemical oxygen demand (five-day unless noted otherwise)
  • BPJ: Best professional judgment
  • CBOD: Carbonaceous biochemical oxygen demand (five-day unless noted otherwise)
  • CD: Critical dilution
  • CFR: Code of Federal Regulations
  • cfs: Cubic feet per second
  • COD: Chemical oxygen demand
  • COE: United States Corp of Engineers
  • CWA: Clean Water Act
  • DMR: Discharge monitoring report
  • ELG: Effluent limitation guidelines
  • EPA: United States Environmental Protection Agency
  • EPRR: Electronic Public Reading Room
  • ESA: Endangered Species Act
  • FCB: Fecal coliform bacteria
  • F&WS: United States Fish and Wildlife Service
  • LANL: Los Alamos National Laboratory
  • LANS: Los Alamos National Security
  • mg/l: Milligrams per liter (one part per million)
  • ug/l: Micrograms per litter (one part per billion)
  • MGD: Million gallons per day
  • MQL: Minimum quantification level
  • NMAC: New Mexico Administrative Code
  • NMED: New Mexico Environmental Department
  • NMIP: New Mexico NPDES Permit Implementation Procedures
  • NMWQS: New Mexico State Standards for Interstate and Intrastate Surface Waters
  • NNSA: National Nuclear Security Administration
  • NPDES: National Pollutant Discharge Elimination System
  • O&G: Oil and grease
  • POTW: Publically owned treatment works
  • RP: Reasonable potential
  • SIC: Standard industrial classification
  • s.u.: Standard units (for parameter pH)
  • SWQB: Surface Water Quality Bureau
  • TDS: Total dissolved solids
  • TMDL: Total maximum daily load
  • TRC: Total residual chlorine
  • TSS: Total suspended solids
  • UAA: Use attainability analysis
  • USFWS: United States Fish & Wildlife Service
  • USGS: United States Geological Service
  • WLA: Waste load allocation
  • WET: Whole effluent toxicity
  • WQCC: New Mexico Water Quality Control Commission

Visit Blogger Join Us on Facebook Follow Us on Twitter See our Flickr Photos Watch Our YouTube Videos Find Us on LinkedIn Find Us on iTunesFind Us on GooglePlayFind Us on Instagram