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

large-bore (adj)
LERF large early release frequency
large-scale (adj)
lat latitude
Pb lead (element)
lead time
leakoff (noun or adj), leak off (verb)
letdown (noun or adj), let down (verb)
LCV level control valve
LI level indicator
LS level sensor
LT level transmitter
LAR license amendment request
LER Licensee Event Report
LDBAP Licensing and Design Bases Alignment Program
LB licensing basis
LBIE licensing basis impact evaluation (50.59 evaluation)
LIS Licensing Information Service
life-support (adj)
LED light emitting diode
LS limit switch
LCO limiting condition for operation
lf linear feet
LVDT linear variable differential transformer
L liter(s)
LL live load
loadout (noun or adj), load out (verb)
LLRT local leak rate test
log (ln) logarithm (natural)
long. longitude
LTSP Long Term Seismic Program
long-term (adj)
LPMS Loose Parts Monitor System
LOOP loss of offsite power
LOCA loss-of-coolant accident
LPZ low population zone
LPD low power density
LSA low specific activity
LTOP low temperature overpressure protection
LLD lower limits of detection
low-level (adj)
LLW low-level waste (but: very low level waste)
LP low-pressure (adj)
lm/W lumens per watt
lump-sum (adj)

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: