Acronyms used at Diablo Canyon Nuclear Power Plant (DCPP)

The following alphabetical listing contains abbreviations, acronyms, compound words, technical symbols, and spelling preferred for licensing and other regulatory correspondence.

A | B | C | D | E | F | G | H | I | J,K | L | M | N | O | P,Q | R | S | T | U,V | W,X,Y,Z

rad radian
rad/s radian per second
rad radiation absorbed dose
RCA radiation control access
RCP radiation control procedure
RCV radiation control valve
R(P)M radiation (process) monitor
RMS radiation monitoring system
RC radiochemical
RRS Radiological and Radwaste Services
RCA radiological controlled area
RETS Radiological Effluent Technical Specifications
REMP Radiological Environmental Monitoring Program
r radius
RAM random-access memory
RWSR raw water storage reservoir
RCCW reactor component cooling water
RCL reactor coolant loop
RCPB reactor coolant pressure boundary
RCP reactor coolant pump
RCS reactor coolant system
RCIC reactor core isolation cooling
RPS reactor protection system
RTS reactor testing system
RTB reactor trip breaker
RTS reactor trip system
RVHVS reactor vessel head vent system
RVID reactor vessel integrity database
RVLIS reactor vessel level instrumentation system
RVRLIS reactor vessel refueling level indication system
RATI Readiness Assessment Team Inspection (NRC)
ROM read-only memory
real time
RMS records management system
Ref., Refs. reference(s)
RWST refueling water storage tank
RegionĀ IV (NRC)
RWQCB Regional Water Quality Control Board
RG, Reg Guide Regulatory Guide
RRG Regulatory Review Group (NRC)
RS Regulatory Services
RH relative humidity
RAOC relaxed axial offset control
RCM reliability centered maintenance
RPE replacement parts evaluation
RAI request for additional information (NRC)
RFP request for proposal
RRS required response spectra (equip. testing)
RE Resident Engineer (NRC)
RHRS residual heat removal system
RTD resistance temperature detector
RCRA Resource Conservation Recovery Act
RC responsibility center
rev. revision
rpm revolutions per minute
rps revolutions per second
RCC rod cluster control
RCCA rod cluster control assembly
RPI rod position indication
R Roentgen
Rem Roentgen equivalent man
R/hr Roentgens per hour
R/min Roentgens per minute
rms root mean square
RPC rotating pancake coil
runup (wave)

For more information about DCISC contact:

Diablo Canyon Independent Safety Committee
Office of the Legal Counsel
857 Cass Street, Suite D, Monterey, California 93940
Telephone: in Califonia call 800-439-4688; outside of California call 831-647-1044
Send E-mail to: