Database Reference
In-Depth Information
Major components of PG&C and how they relate to
each other
The following diagram shows the major components of the PG&C system and how
they relate to each other in Crow's foot notation:
SUPPLIER
DECLARATION
COMPOSITION
SUPPLIER FOR INFORMATION
DECLARATION LINE
PART
SPECIFICATION SUBSTANCE
SPECIFICATION
BILL OF SUBSTANCES
SUBSTANCE
BILL OF SUBSTANCES
The major components of the PG&C system are as follows:
•
Substance
: The substance that is subject to reporting, certification, and waste
management responsibilities.
•
Part
: The part within which the substance is incorporated and for which
quantities of the substance be accounted.
•
Specification:
: The weight and parts per million limits to which the
substances must comply for a part.
•
Bill of Substances
: The bill of substances is a hierarchical list of substances
contained in parts that require compliance.
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