- 3-D - Three-dimensional
- AMSL - Above mean sea level
- ANOVA - Analysis of variance
- ANSI - American National Standards Institute
- ASA - American Standards Association
- ASHRAE - American Society of Heating, Refrigerating, and Air Conditioning Engineers
- ASME - American Society of Mechanical Engineers
- ASP - Analytical Services Protocol
- ASTM - American Society for Testing and Materials
- AVCP - Aquatic vegetation control program
- AVS - Acid volatile sulfides
- AWS - American Welding Society
- AWWA - American Water Works Association
- BH - Borehole
- BHC - benzenehexachloride
- BMP - Best management practice
- BOCES - Board of Cooperative Educational Services
- C - Controlled stable traffic flow
- CAAA - Clean Air Act Amendments
- CE-QUAL-W2 - Corps of Engineers Water Quality Modeling (2-D)
- CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act
- CFC - Chlorofluorocarbon
- CfE - Center for Environment (Cornell University)
- CFR - Code of Federal Regulations
- CHWWTP - Cayuga Heights Wastewater Treatment Plant
- COD - Chemical oxygen demand
- CORMIX - Cornell Expert Mixing Model
- CSLAP - Citizen Statewide Lake Assessment Program
- dbh - Diameter breast height
- DDC - Direct digital control
- DEIS - Draft Environmental Impact Statement
- DGPS - Differential global positioning system
- DLWC - Deep lake water cooling
- DO - Dissolved oxygen
- E - Business zone
- ECL - Environmental Conservation Law
- EER - Energy efficiency rating
- FACU - Facultative upland species
- GBD - Gas bubble disease
- GLLVHT - Generalized longitudinal-lateral-vertical hydrodynamic and transport model
- HC - Hand core
- HCFC - Hydrochlorofluorocarbon
- HDPE - High density polyethylene
- HEF - Heat exchange facility
- HFC - Hydrofluorocarbon
- HVAC - Heating, Ventilating, and Air Conditioning
- IAWWTP - Ithaca Area Wastewater Treatment Plant
- ICSD - Ithaca City School District
- ID - Inner diameter
- JEEAI - John E. Edinger Associates, Inc.
- LOS - Level of service
- LSC - Lake Source Cooling
- MDS - Map documented structure
- MR - Multiple Residence Zone
- MRP - Molybdate reactive phosphorus
- N - Nitrogen
- NIOSH - National Institute for Occupational Safety and Health
- NYCRR - New York Code of Rules and Regulations
- NYS - New York State
- NYS OGS - New York State Office of General Services
- NYSDEC - New York State Department of Environmental Conservation
- NYSDOH - New York State Department of Health
- NYSDOT - New York State Department of Transportation
- NYSEG - New York State Electric & Gas
- OD - Outer diameter
- OTR - Ozone transport region
- P - Phosphorus
- PAH - Polycyclic aromatic hydrocarbon
- PPI - Plastic Pipe Institute
- ppm - parts per million
- PVC - Polyvinyl chloride
- RPS - Real property services
- SCUBA - Self-contained underwater breathing apparatus
- SEER - Seasonal energy efficiency rating
- SEQR - State Environmental Quality Review (Act)
- SLUD - Special Land Use District
- SPDES - State Pollutant Discharge Elimination System
- SRP - Soluble reactive phosphorus
- STP - Shovel test pits
- SUNY - State University of New York
- TDS - Total dissolved solids
- TIN - Total inorganic nitrogen
- TKN - Total Kjeldahl nitrogen
- TOC - Total organic carbon
- TP - Total phosphorus
- TS - Target strength
- TSP - Total soluble phosphorus
- TSS - Total suspended solids
- UFPO - Underground Facilities Protection Organization
- USACOE - U.S. Army Corps of Engineers
- USDOE - U.S. Department of Energy
- USEPA - United States Environmental Protection Agency
- USFWS - U.S. Fish and Wildlife Service
- USGS - United States Geological Survey
- VOC - Volatile organic compound
- WFP - Water filtration plant
- WTP - Water treatment plant
- WWTP - Wastewater treatment plant

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