15A NCAC 18E .0104      ABBREVIATIONS

For the purpose of this Subchapter, the following abbreviations refer to:

(1)           ABS: Acrylonitrile-Butadiene-Styrene;

(2)           ACEC: Apparent Cation Exchange Capacity;

(3)           ANSI: American National Standards Institute;

(4)           AOWE: Authorized On-Site Wastewater Evaluator;

(5)           ASTM: American Society for Testing and Materials;

(6)           ATO: Authorization to Operate;

(7)           BOD₅: Five Day Biochemical Oxygen Demand;

(8)           CA: Construction Authorization;

(9)           CBOD: Carbonaceous Biochemical Oxygen Demand;

(10)         cmol/kg: centimoles per kilogram;

(11)         CFR: Code of Federal Regulations;

(12)         CSA: Canadian Standards Association;

(13)         DDF: Design Daily Flow;

(14)         DEQ: Department of Environmental Quality;

(15)         DIP: Ductile Iron Pipe;

(16)         DO: Dissolved Oxygen;

(17)         DOT: Department of Transportation;

(18)         DSE: Domestic Strength Effluent;

(19)         EOP: Engineered Option Permit;

(20)         FE: Iron;

(21)         FOG: Fats, Oil, and Grease;

(22)         gal: gallons

(23)         gpd: Gallons per Day;

(24)         gpd/ft²: Gallons per Day per Square Foot;

(25)         HSE: High Strength Effluent;

(26)         IAPMO: International Association of Plumbing and Mechanical Officials;

(27)         IP: Improvement Permit;

(28)         IPWW: Industrial Process Wastewater;

(29)         LC: Limiting Condition;

(30)         LDP: Large Diameter Pipe;

(31)         LG: Licensed Geologist;

(32)         LHD: Local Health Department;

(33)         LPP: Low Pressure Pipe;

(34)         LSS: Licensed Soil Scientist;

(35)         LTAR: Long Term Acceptance Rate;

(36)         meq/100 g: Milliequivalents per 100 grams;

(37)         mg/L: Milligrams/Liter;

(38)         NEMA: National Electrical Manufacturers Association;

(39)         NH₃: Total Ammonia Nitrogen;

(40)         NOI: Notice of Intent to Construct;

(41)         NOV: Notice of Violation;

(42)         NSF: NSF International;

(43)         OP: Operation Permit;

(44)         PE: Professional Engineer;

(45)         PIA: Provisional, Innovative, and Accepted;

(46)         PPBPS: Prefabricated Permeable Block Panel System;

(47)         psi: Pounds per Square Inch;

(48)         PVC: Polyvinyl Chloride;

(49)         RCW: Reclaimed Water;

(50)         RV: Recreational Vehicle;

(51)         RWTS: Residential Wastewater Treatment System;

(52)         SCO: State Climate Office of North Carolina;

(53)         SDR: Standard Dimension Ratio;

(54)         SPI: Standard Precipitation Index;

(55)         STEP: Septic Tank Effluent Pump;

(56)         SWC: Soil Wetness Condition;

(57)         TKN: Total Kjeldahl Nitrogen;

(58)         TL: Trench Length;

(59)         TN: Total Nitrogen;

(60)         TSS: Total Suspended Solids;

(61)         TW: Trench Width;

(62)         USDA-NRCS: United States Department of Agriculture – Natural Resources Conservation Service;

(63)         VIP: Visual Inspection Protocol; and

(64)         WS: Water Supply Class.

History Note:        Authority G.S. 130A-335(e);

Eff. January 1, 2024.