# 1 COPPER - COPPER TUBING
This is a clean copper tubing with no attachments, solder, paint or any contamination.
# 2 COPPER
This is a copper tubing with other than copper connections or with sediment; copper wire from burning.
BARE BRIGHT COPPER
This is a bare, shiny, uncoated, unalloyed copper wire.
This is mixed automobile radiators, to be free of iron or plastic. Unclean Auto Radiators shall consist of mixed copper/brass automotive radiators with iron frame.
This is a brass castings, rolled brass, rod brass, tubing and miscellaneous yellow brasses, including plated brass. Must be free any other type of metal such as iron, aluminum, manganese, etc.
YELLOW BRASS TURNING
Yellow Brass Turnings shall consist of yellow brass turnings, borings or grindings.