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Wastewater Treatment Acronyms and Abbreviations: A Guide for Environmental Studies, Exams of Water and Wastewater Engineering

California State University (CSU) - BakersfieldWater and Wastewater Engineering

A comprehensive list of abbreviations and acronyms related to water and wastewater treatment, focusing on terms used in the california water environment association (cwea) collections system maintenance. It includes definitions for various technical, regulatory, and organizational terms relevant to the field. This resource is useful for professionals and students in environmental science, water resource management, and related engineering disciplines, offering a quick reference guide to understand the terminology used in the water and wastewater industry. It covers a wide range of topics from chemical processes and equipment to regulatory bodies and safety protocols, making it an essential tool for anyone working in or studying this field. The document aims to clarify the complex language often used in water and wastewater management, facilitating better communication and understanding among professionals and stakeholders.

Typology: Exams

2024/2025

Available from 07/24/2025

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Cwea collections system maintenance grade 4
QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100%
GUARANTEED PASS 2025/2026
1. AA: atomic absorption
2. AC: power alternating current
3. ac: acre
4. AF: acre-foot (feet)
5. AFY: acre-foot per year
6. AMSA: Association of Metropolitan Sewerage
Agencies
7. ANSI: American National Standards Institute
8. APHA: American Public Health Association
9. AS: activated sludge
10. ASCE: American Society of Civil Engineers
11. ASME: American Society of Mechanical
Engineers
12. ASTM: American Society for Testing and
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Cwea collections system maintenance grade 4

QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100%

GUARANTEED PASS 2025 /

  1. AA: atomic absorption
  2. AC: power alternating current
  3. ac: acre
  4. AF: acre-foot (feet)
  5. AFY: acre-foot per year
  6. AMSA: Association of Metropolitan Sewerage Agencies
  7. ANSI: American National Standards Institute
  8. APHA: American Public Health Association
  9. AS: activated sludge
  10. ASCE: American Society of Civil Engineers
  11. ASME: American Society of Mechanical Engineers
  12. ASTM: American Society for Testing and

Materials

  1. AWT: advanced wastewater treatment
  2. AWWA: American Water Works Association
  3. BECP: Business Emergency and Contingency Plan
  4. BNR: biological nutrient removal
  5. BOD5: biochemical oxygen demand after 5 days
  6. BTU: British thermal unit
  7. C: Celsius
  8. Cal-OSHA: California Occupational Safety and Health Act
  9. Cal-EPA: California Environmental Protection Administration
  10. CBOD: carbonaceous biochemical oxygen demand
  11. CCE: carbon chloroform extract
  1. CM: common mode
  2. CMOM: Capacity Management, Operations, and Maintenance
  3. COD: chemical oxygen demand
  4. CPU: central processing unit
  5. CRWA: California Rural Water Association
  6. CT: current transformer
  7. CWA: Clean Water Act
  8. CWEA: California Water Environment Association
  9. DAF dissolved air flotation DAF: dissolved air flotation
  10. DO: dissolved oxygen
  11. DOHS: California Department of Health Services
  12. DV/DT

( V/ T): The change in voltage per change in time.

  1. DWF: dry weather flow
  2. DWR: Department of Water Resources
  3. EIS: Environmental Impact Statement
  4. EMF: electromotive force or voltage
  5. EPA: U.S. Environmental Protection Agency
  6. F: Fahrenheit
  7. F/M: food to microorganism ratio
  8. ft: feet (foot)
  9. ft2: square foot
  10. ft3: cubic feet
  11. FTU formazin turbidity unit FTU: formazin turbidity unit
  12. GAC: granular activated carbon
  13. gal: gallon
  1. HCP&ERP: Hazard Communications Program and Emergency Response Plan
  2. hp: horsepower
  3. HPLC: high-performance liquid chromatography
  4. Hz: Hertz
  5. IC: ion chromatograph
  6. ICP: inductively coupled plasma
  7. IEEE: Institute of Electrical and Electronics Engineers
  8. IIPP: Injury and Illness Prevention Plan
  9. IML: Interface Management Language
  10. JTU: Jackson Turbidity Unit
  11. K Kilo,: a prefix meaning 1,
  12. KVA: kilovolt amperes
  13. kw: kilowatt
  14. kwh: kilowatt hour
  15. L: liter
  1. lb: pound
  2. M: Mega, a metric prefix meaning 1,000,
  3. m: meter
  4. M: mole or molar
  5. MA: milliamps
  6. MBAS: methylene blue active substance
  7. MCL: maximum contaminant level
  8. MCLG: maximum contaminant level goal
  9. MCRT: mean cell residence time
  10. MDL: method detection limit
  11. MG: million gallons
  12. mg: milligram
  13. mg/L: milligrams per liter
  14. MGD: million gallons per day
  15. min: minute
  16. MIS: Manufacturing Information System
  1. MOP: Manual of Practice
  2. MPN: most probable number
  3. MS: mass spectrometer
  4. MSDS: Material Safety Data Sheets
  5. MTBF: mean time between failures
  6. MTTR: mean time to repair
  7. N: normal
  8. NEC: National Electrical Code
  9. NEMA: National Electrical Manufacturers Association
  10. NEPA: National Environmental Policy Act
  11. NM: Normal Mode
  12. NOCA: National Organization for Competency Assurance
  13. NOD: nitrogenous oxygen demand
  14. NPDES: National Pollutant Discharge Elimination System
  1. NPSH: net positive suction head
  2. NTU: nephelometric turbidity unit(s)
  3. O&M: operation and maintenance
  4. OCT: Operator Certification Test (State of California)
  5. OMR: operations, maintenance, and replacement
  6. OOC: Office of Operator Certification (SWRCB)
  7. OSHA: Occupational Safety and Health Administration/Act
  8. OTE: oxygen transfer efficiency
  9. P Pico,: a metric prefix meaning one millionth of a millionth, or one trillionth (10-12)
  10. PC: personal computer
  11. PCB: polychlorinated biphenyls
  1. POTW: Publicly Owned Treatment Works
  2. PPB: parts per billion
  3. PPE: Personal Protective Equipment
  4. PPM: parts per million
  5. prct: percent
  6. psi: pound per square inch
  7. PSIA: pounds per square inch absolute
  8. PSID: pounds per square inch differential
  9. PSIG: pounds per square inch gage
  10. PVC: polyvinyl chloride (pipe)
  11. QA/QC: quality assurance/quality control
  12. RAS: return activated sludge
  13. RBC: rotating biological contactor
  14. RCP: reinforced concrete pipe
  15. RFI: Radio Frequency Interference
  16. RMS: root mean square
  17. RTD: resistance temperature device
  1. RWQCB: Regional Water Quality Control Board (State of California)
  2. SCADA: Supervisory Control and Data Acquisition
  3. SCR: semiconductor (or silicon) controlled rectifier
  4. SD: standard deviation
  5. SDI: sludge volume index
  6. sec: second
  7. SI System: International D'Unites (metric units)
  8. SS: suspended solids
  9. SSO: sanitary sewer overflow
  10. SVI: sludge volume index
  11. SVR: sludge volume ratio
  12. SWRCB: (California) State Water Resources Control Board
  13. TAC: Technical Advisory Committee
  1. TIC: total inorganic carbon
  2. TMDL: total maximum daily load
  3. TOC: total organic carbon
  4. TOD: total oxygen demand
  5. TS: total solids
  6. TSS: total suspended solids
  7. TU: turbidity unit
  8. micro,: a metric prefix meaning one millionth
  9. UPS: uninterruptible power supply
  10. USB: universal serial bus
  11. USEPA: United States Environmental Protection Agency
  12. V: volt
  13. VAC: volts of alternating current
  14. VCP: vitrified clay pipe
  15. VFD: variable frequency drive
  1. VOC: volatile organic chemicals
  2. VOM: volt Ohm meter
  3. VSR: volatile solids reduction
  4. VSS: volatile suspended solids
  5. W: watt
  6. WAN: wide area network
  7. WEF: Water Environment Federation
  8. WRP: water reclamation plant
  9. WWF: wet weather flow
  10. WWTF: wastewater treatment facility
  11. WWTP: wastewater treatment plant (same as POTW)
  12. yr: year