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D&D Dictionary

Popular deactivation and decommissioning terms and their definitions.

Index:  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  : View all

Listing: P

    Preliminary Assessment

    The process of collecting and reviewing available information about a known or suspected waste site or release

    Pipe Insulation

     A thermal insulation used on pipework for purposes of condensation control, prevent freezing, energy savings, protection from extreme temperatures, prevention of freezing, and control of noise. Materials may include rigid foam, polyethylene, mineral or glass wool, and a varity of other materials.

    Personal Protective Suit

     Refers to protective clothing, helmets, goggles or other equipment that is designed to protect the wearer’s body from injury by physical hazards, electrical hazards, heat, chemicals, particulate matter and infection.


    The science of generating and transmitting light. It deals with light starting in the infrared range, through visible light to ultraviolet light at the highest frequency.
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