CEEn 351 Vocabulary List

Concentration

Density

Parts per million

Gravimetric flow rate

Volumetric flow rate

Detention time

Retention time

Residence time

Probability

Statistics

Normal distribution

Gaussian distribution

Mean

Standard deviation

Coefficient of variation

Independent variable

Dependent variable

Histogram

Return period

Influent

Effluent

Steady state

Material balance

Separator

Recovery purity

Code

Binary separator

Polynary separator

Zero-order

First-order

Second-order

Half-life

Doubling time

Mixed-batch reactor

Plug-flow reactor

Completely mixed reactor

rate

CSTR

CMF

Conservative tracer

Instantaneous signal

C-distribution

F-distribution

Reactors in series

Arbitrary-flow

BTU

Kilowatt-hour

Calories

Bomb calorimeter

Renewable energy

source

biomass

energy equivalence

heat engine

carnot engine

ecosystem

ecology

respiration

producer

consumer

decomposer

detritus

obligate aerobe

obligate anaerobe

electron acceptor

facultative

food chain food web

trophic level

niche

predator

biomagnification

nutrient

epilimnion

metaliminion

hypolimnion

turnover

stratification

eutrophication

deoxygenation

reoxygenation

dissolved oxygen

Streeter-Phelps equation

DO sag curve

DO saturation

DO deficit

Sustainable

BOD

Seed

Dilution

Ultimate BOD

Nitrogenous BOD

Carbonaceous BOD

Kjeldahl nitrogen

Total solids

Dissolved solids

Suspend solids

Volatile solids

fixed solids

volatile suspended solids

indicator organisms

coliforms

fermentation tube technique

most probable number technique

membrane filter technique

Standard Methods

CFR

Turbidity

Primary drinking water standards

Secondary drinking water standards

Clean Water Act

NPDES

TMDL

CSO

MCL

MCLG

Disinfection by-product

Hydrologic cycle

Evapotranspiration

Transpiration

Percolation

Groundwater

Zone of aeration

Zone of saturation

Water table

Aquifer

Unconfined aquifer

Confined aquifer

Porosity

Artesian

Specific yield

Coefficient of permeability

Permeameter

Cone of depression drawdown

Softening

Hardness

Carbonate hardness

Noncarbonated hardness

Coagulation

Flocculation

Coagulant

Floc

Stabilized particles

Destabilized particles

Gravity settling

Critical settling velocity

Overflow rate

Critical particle

Rapid sand filter

Backwash

Filtration rate

CT

THM

DBP

Chlorination

Fluoridation

Sanitary sewer

Storm sewer

Force main

Inflow

Infiltration

I/I

Preliminary treatment headworks

Primary treatment

Secondary treatment

Tertiary treatment

Comminutor

Grit removal

Clarifier

Sludge

Biosolids

Trickling filter

RBC

Activated sludge

WAS

RAS

F/M

Aeration tank

Mixed liquor

MLSS

Maximum specific growth rate

Substrate

Yield

Suspended growth

Attached growth

SRT

MCRT

Sludge age

Recycle rate

Substrate removal velocity

Kinetic constants

Gas transfer

Gas transfer coefficient

SVI

Dechlorination

Nitrification

Denitrification

Anoxic

Phosphorous removal

Luxury uptake

Natural systems

Lagoons

Stabilization ponds

Facultative ponds

Surface flow wetlands

Subsurface flow wetland

Primary solids

Sludge stabilization

Lime stabilization

Aerobic digestion

Anaerobic digestion

Acid formers

Methane formers

Sludge drying beds

Gravity belt thickner

Belt filter

Centrifuge

Centrate

Cake

Filtrate

Dry adiabatic lapse rate

Troposphere

Stratosphere

Mesosphere

Superadiabatic

Subadiabatic

Inversion

Strong lapse rate

Prevailing lapse rate

Subsidence inversion

Radiation inversion

Fume

Mist

Smoke

Spray

Hi-vol sampler

TSP

PM10

Respirable particulates

Bubbler

Ringlemann scale

Threshold

Total body burden

Synergism

Acid precipitation

Photochemical smog

Primary pollutant

Secondary pollutant

Ozone depletion

CFC

Global warming

Albedo

Greenhouse effect

Radon

CO

Clean Air Act

NAAQS

Nonattainment area

Settling Chamber

Cyclone

Bag filter

Spray tower

Scrubber

Electrostatic precipitator

Wet scrubber

Adsorption

Incineration’flaring

Catalytic combustion

Looping plume

Coning plume

Fanning plume

Fumigation

Dispersion

Dispersion coefficient

PCV

Fuel rich

Fuel lean

Municipal solid waste

Refuse

Garbage

Rubbish

Packer

Trash

Euler’s rule

Deadheading

Heuristic routing

Reuse

Recovery

Recycle

MRF

Industrial scrap

Source separation

Vertical integration

Refuse-derived fuel

Dioxin

WTE

Sanitary Landfill

Dump

Life cycle analysis

Integrated Solid Waste Management

Hazardous waste

Listed Waste

Characteristic Waste

RCRA

CERCLA

TOSCA

ROD

RI/FS

NPL

Strict liability

Joint and several liability

Retroactive liability

Generator

Transporter

Storage facility

Treatment facility

Disposal facility

TSD

Large generator

Small generator

Very small generator

HRS

HRS score

Non-specific source wastes

Specific source wastes

Discarded commercial chemical product

Wastes

Ignitability

Corrosive

Reactivity

Toxicity

LD50

LC50

TSD facility

Uniform Hazardous waste manifest