CWEA Grade 4 Test with Accurate
Solutions
AA - ANS-atomic absorption
AC - ANS-power alternating current
ac - ANS-acre
AF - ANS-acre-foot (feet)
AFY - ANS-acre-foot per year
AMSA - ANS-Association of Metropolitan Sewerage
Agencies
ANSI - ANS-American National Standards Institute
APHA - ANS-American Public Health Association
AS - ANS-activated sludge
ASCE - ANS-American Society of Civil Engineers
ASME - ANS-American Society of Mechanical
Engineers
ASTM - ANS-American Society for Testing and
Materials
AWT - ANS-advanced wastewater treatment
AWWA - ANS-American Water Works Association
BECP - ANS-Business Emergency and
Contingency Plan
BNR - ANS-biological nutrient removal
BOD5 - ANS-biochemical oxygen demand after
5 days
, BTU - ANS-British thermal unit
C - ANS-Celsius
Cal-OSHA - ANS-California Occupational Safety and
Health Act
Cal-EPA - ANS-California Environmental Protection
Administration
CBOD - ANS-carbonaceous biochemical oxygen
demand
CCE - ANS-carbon chloroform extract
CCR - ANS-California Code of Regulations
cf - ANS-cubic feet (foot)
CFR - ANS-Code of Federal Regulations
cfs - ANS-cubic feet per second
CH4 - ANS-Methane
CIU
Categorical Industrial User
CIU - ANS-Categorical Industrial User
CM - ANS-common mode
CMOM - ANS-Capacity Management, Operations,
and Maintenance
COD - ANS-chemical oxygen demand
CPU - ANS-central processing unit
CRWA - ANS-California Rural Water Association
CT - ANS-current transformer
CWA - ANS-Clean Water Act
CWEA - ANS-California Water Environment
Solutions
AA - ANS-atomic absorption
AC - ANS-power alternating current
ac - ANS-acre
AF - ANS-acre-foot (feet)
AFY - ANS-acre-foot per year
AMSA - ANS-Association of Metropolitan Sewerage
Agencies
ANSI - ANS-American National Standards Institute
APHA - ANS-American Public Health Association
AS - ANS-activated sludge
ASCE - ANS-American Society of Civil Engineers
ASME - ANS-American Society of Mechanical
Engineers
ASTM - ANS-American Society for Testing and
Materials
AWT - ANS-advanced wastewater treatment
AWWA - ANS-American Water Works Association
BECP - ANS-Business Emergency and
Contingency Plan
BNR - ANS-biological nutrient removal
BOD5 - ANS-biochemical oxygen demand after
5 days
, BTU - ANS-British thermal unit
C - ANS-Celsius
Cal-OSHA - ANS-California Occupational Safety and
Health Act
Cal-EPA - ANS-California Environmental Protection
Administration
CBOD - ANS-carbonaceous biochemical oxygen
demand
CCE - ANS-carbon chloroform extract
CCR - ANS-California Code of Regulations
cf - ANS-cubic feet (foot)
CFR - ANS-Code of Federal Regulations
cfs - ANS-cubic feet per second
CH4 - ANS-Methane
CIU
Categorical Industrial User
CIU - ANS-Categorical Industrial User
CM - ANS-common mode
CMOM - ANS-Capacity Management, Operations,
and Maintenance
COD - ANS-chemical oxygen demand
CPU - ANS-central processing unit
CRWA - ANS-California Rural Water Association
CT - ANS-current transformer
CWA - ANS-Clean Water Act
CWEA - ANS-California Water Environment