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

Ibid. Ibidem (in the same place)
i.e. id est (that is)
id. idem (the same)
ITS important to safety
ITS Improved Technical Specifications
in process
in progress
in situ
in. inch(es)
in. /s inches per second
IDVP Independent Design Verification Program
ISC Independent Safety Committee
ISFSI independent spent fuel storage installation
ITR independent technical reviewer
in-depth (adj), in depth (adv)
IPE individual plant examination
IPEEE individual plant examination for external events
IN information notice
in-house (adj)
in-line (adj)
in-phase (adj)
in-place (adj)
in-plant (adj)
ISI inservice inspection
ILT inservice leak test
IST inservice testing
ID inside diameter
IR Inspection Report (NRC)
IEEE Institute of Electrical and Electronics Engineers
INPO Institute of Nuclear Power Operations
I&C instrumentation and controls
ISA Instrument Society of America
intake structure
ICS integrated communications system
IIT Integrated Inspection Team
ILRT integrated leak rate test
ILS integrated living schedule
IPAP integrated performance assessment process (NRC)
ISAP Integrated Safety Assessment Program
inter alia (among other things)
IDAP Inter-Departmental Administrative Procedure
IGA intergranular attack
IGSCC intergranular stress corrosion cracking
ICRP International Commission on Radiation Protection
SI International System of Units (Standard International)
IOM interoffice memorandum
INVDIO issue needing validation to determine its impact on operability

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: