A

acfm

actual cubic feet per minute

ACT

alternative control technology

AER

allowable emission rate

AFR

air/fuel ratio

AG

acid gas

AIM

area of initial mixing

AIP

auto ignition point

ALPM

actual liters per minute

ANSI

American National Standards Institute

APCD

air pollution control device

AS

area source

ASC

area source category

ASH

air-spaced hydrocyclone

ASTM

American Society for Testing and Materials

atm.

atmosphere

aw

atomic weight

A&WMA

Air and Waste Management Association

B

BACT

best available control technology (air)

BAM

beta attenuation monitor

BIOCARB

bags of balanced microbes embeded in charcoal

BIOPLUME

model to predict the maximum extent of existing plumes

BOC

United States/Canada Binational Operations Committee

BP

boiling point

BSI

British Standards Institute

Btu

British thermal unit

C

°C

degrees Celsius (centigrade)

CAMP

continuous air monitoring program

CAMS

continuous air monitoring station

CAP

corrective action plan

CAR

corrective action report

cc

cubic centimeter

CCAA

Canadian Clean Air Act

CE

capture efficiency

CE

categorical exclusion

CE

conditionally exempt generator

CEARC

Canadian Environmental Assessment Research Council

CELRF

Canadian Environmental Law Research Foundation

CEM

continuous emission monitoring

CEMS

continuous emission monitoring system

CEPA

California Environmental Protection Agency

CERT

certificate of eligibility

CESQG

conditionally exempt small quantity generator

CFBC

circulating fluidized bed combuster

CFCs

chlorofluorocarbons

CFC-11

trichlorofluoromethane

CFC-12

Freon (dichlorodifluoromethane)

CFC-113

1,1,2-trichloro-1,2,2-trifluoroethane

CFC-114

1,2-dichloro-1,1,2,2-tetrafluoroethane

CFC-115

chloropentafluoroethane

CFM

chlorofluoromethanes

CFR

Code of Federal Regulations (USA)

CGA

cylinder gas audit

CGI

combustible gas indicator

cfm

cubic feet per minute

cfs

cubic feet per second

CKD

cement kiln dust

CKRC

Cement Kiln Recycling Coalition

cm

centimeter

CM

corrective measure

CMB

chemical mass balance

CMPU

chemical manufacturing process unit

CNG

compressed natural gas

CO

carbon monoxide

CO2

carbon dioxide

COD

chemical oxygen demand

COH

coefficient of haze

COM

continuous opacity monitor

COMS

continuous opacity monitoring system

CPI

chemical process industries

CRSTER

single source dispersion model

CTG

control technology guideline

D

d

density

d23

density at 23 °C

DGXI

Directorate General for the Environment (European Commission)

dil

dilute

DLs

detection limits

DMR

discharge monitoring report

DOAS

differential optical absorption spectroscopy

DOE

United States Department of Energy

DOI

United States Department of the Interior

DOS

United States Department of State

DOT

United States Department of Transportation

DRE

destruction and removal efficiency

DSCF

dry standard cubic feet

DSCM

dry standard cubic meter

DSL/NDSL

Canada's national chemical inventory

DT

detention time

DT&E

demonstration, testing, and evaluation

DWM

diagnostic wind model

E

EA

environmental assessment

EAB

Environmental Appeals Board (EPA)

EAP

environmental action plan

EC

effective concentration

EC

Environment Canada

ECD

electron capture detector

EE

environmental evaluation

EECs

estimated environmental concentrations

EER

excess emission report

EFTC

European Fluorocarbon Technical Committee

EG

emissions guidelines

EI

emissions inventory

EIA

environmental impact assessment

EIR

environmental impact report

EIS

environmental impact statement

EL

emission limitation

ENCS

Japan's national chemical inventory

EPA

United States Environmental Protection Agency

EPE

environmental performance evaluation (ISO)

E&QA

engineering and quality assurance

ERGO

extended reports and graphic output

ERP

environmental review process

EROD

enforcement record of decision

EROS

Earth Observation Satellite

ESP

electrostatic precipitator

ET

emissions trading

ExEx

expected exceedance