Jump to main content or area navigation.

Contact Us

facebook iconLike Us on Facebook 
You are here: EPA Home » DfE » Cleaner Technologies Substitutes Assessment - Acronyms

Cleaner Technologies Substitutes Assessment - Acronyms

Cleaner Technologies Substitutes Assessment

1,1,1-TCA 1,1,1-trichloroethane
Greek tau Atmospheric residence time
ABC Activity-based costing
ACGIH American Conference of Governmental Industrial Hygienists, Inc.
APDR Acute potential dose rate
API American Petroleum Institute
AQUIRE Aquatic Information Retrieval Toxicity Data Base
AsF Assessment factor
ASTM American Society for Testing and Materials
AT Averaging time
AT123D Analytical Transient One-, Two-, and Three-Dimensional Simulation and Groundwater Transport Model
ATSDR Agency for Toxic Substance and Disease Registry
BACT Best available control technology
BAT Best available control technology economically practical
BCF Bioconcentration factor
BCT Best conventional pollution control technology
BNA Bureau of National Affairs
BOD Biochemical oxygen demand
bp Boiling point
BPT Best practicable control technology currently available
BTU British thermal unit
BW Body weight
C Carbon
CAA Clean Air Act
CAS RN Chemical Abstracts Service Registry Number
CC Concern concentration
CCRIS® Chemical Carcinogenesis Research Information System Online Data Base
CEB Chemical Engineering Branch
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act
CFC Chlorofluorocarbon
CFC-113 Chlorofluorocarbon-113
CFR Code of Federal Regulations
CHEMID® Chemical Identification online chemical dictionary
CH4 Methane
CO Carbon monoxide
COC Concentration of concern
COD Chemical oxygen demand
CO2 Carbon dioxide
CPSA Consumer Product Safety Act
CR Contact rate
CTSA Cleaner Technologies Substitute Assessment
CWA Clean Water Act
UTM-TOX Unified Transport Model for Toxicants
DART® Developmental and Reproductive Toxicology Online Data Base
DfE Design for the Environment (term coined by industry)
DFE Design for the Environment (term used by EPA OPPT)
EC Effective concentrations
EC50 Effects concentration
ECO CC Ecotoxicity concern concentration
ED Exposure duration
EETD Economics, Exposure and Technology Division of EPA
EF Exposure frequency
EFDB Environmental Fate Data Base
ELR Environmental Law Reporter
EMICBACK Environmental Mutagen Information Center Backfile Online Genotoxicity Data Base
EPCRA Emergency Planning and Community Right-To-Know Act
EPI Estimation Programs Interface Chemical Properties Model
ER Environment Reporter
ETICBACK Environmental Teratology Information Center Backfile Online Data Base
EXAMS Exposure Analysis Modeling System
FATE Environmental Fate Constants Information System Data Base
FC Fluorocarbon
Fed Reg Federal Register
FFDCA Federal Food, Drug, and Cosmetic Act
FIFRA Federal Insecticide, Fungicide, and Rodenticide Act
FMEA Failure mode and effects analysis
GAMS GEMS Atmospheric Modeling Subsystem
GATT General Agreement on Tariffs and Trade
GEMS/PCGEMS Graphical Exposure Modeling System/Personal Computer Graphical Exposure Modeling System - Chemical Fate and Hansport Models
GENE-TOX Genetic Toxicology Online Data Base
H2O Water
Hc Henry's Law Constant
HCl Hydrochloric acid
H Hydrogen
HAD Health Assessment Documents
HAPs Hazardous air pollutants
HAZOP Hazard and operability study
HCFC Hydrochlorofluorocarbon
Hcl Hydrochloric acid
HEC Human equivalent concentration
HED Human equivalent dose
HERD Health and Environmental Review Division of EPA
HFC Hydrofluorocarbon
HHE Health Hazard Evaluations
HI Hazard index
HMTA Hazardous Materials Transportation Act
hp Horsepower
HSA Hazardous Substances Act
HSDB Hazardous Substance Data Bank Online Data Base
HQ Hazard quotient
IARC International Agency for Research on Cancer
IDLH Immediately dangerous to life or health
IMES Integrated Model Evaluation System
IRIS Integrated Risk Information System Online Data Base
IRR Internal rate of return
ISCLT Industrial Source Complex Long-Term Atmospheric Fate and Transport Model
ISCST Industrial Source Complex Short-Term Atmospheric Fate and Transport Model
kd Direct aqueous photolysis rate constant
kg Kilograms
KOH Hydroxyl radical rate constant
kO3 Ozone rate constant
Ka, pKa Ionization or acid dissociation constant
Kd Soil or sediment sorption coefficient
Koc Organic carbon partition coefficient
Kom Organic matter sorption coefficient
Kow Octanol/water partition coefficient
kW Kilowatt
kWh Kilowatt hour
LAER Lowest achievable emission rate
LADC Lifetime average daily concentration
LADD Lifetime average daily dose
LC Lethal concentration
LCA Life cycle assessment
LD Lethal dose
LEL Lower explosive limit
LOEC Lowest-observed effects concentration
LOAEL Lowest-observed adverse-effect level
mp Melting point
MACT Maximum achievable control technology
MATC Maximum allowable toxicant concentration
MCCEM Multi-Chamber Concentration and Exposure Model
MCLs Maximum contaminant levels for drinking water
MCLG Maximum contaminant level goal for drinking water
MF Modifying factor
MLD Million liters per day
MOE Margin of exposure
MSDS Material Safety Data Sheet
MW Molecular weight
Na Sodium
NAAQS National Ambient Air Quality Standard
NAFTA North American Free Trade Agreement
NEC No effect concentration
NESHAP National Emissions Standards for Hazardous Air Pollutants
NIOSH National Institute of Occupational Safety and Health
NO2 Nitrogen dioxide
NOAEL No-observed adverse effect level
NOEC No-observed effects concentration
NOEL No-observed effects level
NPDES National Pollutant Discharge Elimination System
NPV Net present value
NTP National Toxicology Program
O2 Oxygen
O3 Ozone
OPPT Office of Pollution Prevention and Toxics
OR Odds ratio
OSHA Occupational Safety and Health Administration
P Parachor
PDM Probabilistic Dilution Model
PDR Potential dose rate
PEL Permissible exposure limit
PMR Proportionate mortality ratio
PM - 10 Particulate matter
POTWs Publicly owned treatment works
PPE Personal protective equipment
ppm Parts per million
PRZM Pesticide Root Zone Model
PTPLU Point Plume Groundwater Model
Pv Vapor pressure
PV Present value
PWB Printed wiring board
QSARs Quantitative structure-activity relationships
RACT Reasonably achievable control technology
RCRA Resource Conservation and Recovery Act
REL Recommended exposure limit
RfC Reference concentration
RfD Reference dose
RQ Reportable quantity
RTECS® Registry of Toxic Effects of Chemical Substances Online Data Base
S Water solubility
SAR Structure-activity relationship
SARA Superfund Amendments and Reauthorization Act
SCIES Screening Consumer Inhalation Exposure Software
SESOIL Seasonal Soil Compartment Model
SIC Standard industrial classification
SIP State Implementation Plan
SMR Standardized mortality ratio
SO2 Sulfur dioxide
SPAI Screen Printing Association International
SPTF Screen Printing Technical Foundation
SRC Syracuse Research Corporation
STEL Short-term exposure limit
STP Sewage Treatment Plant fugacity model
SUS Saybolt Universal Seconds
SWIP Survey Waste Injection Program
t½ Half-life
TCA Total cost assessment
TCLP Toxicity characteristic leaching procedure
THRs Toxic and Hazardous Reviews
TLV Threshold limit value
TLV-C Threshold limit value - ceiling
TLV-STEL Threshold limit value - short-term exposure limit
TOXNET The National Library of Medicine's Toxicology Data Network
TSCA Toxic Substances Control Act
TSDF Treatment, storage, and disposal facility
TWA Time-weighted-average
UEL Upper explosive limit
UF Uncertainty factor
U.L. Underwriters Laboratory
U.S.C. United States Code
U.S.C.A. United States Code Annotated
U.S.C.S. United States Code Service
UTM-TOX Unified Transport Model for Toxicants
UV Ultraviolet
VOC Volatile organic compound


Order Publications | DfE Home

Jump to main content.