Derived from either mechanical or hand separation,
the material must be dry and not contain more than
4% maximum free zinc, 1% maximum free magnesium,
and 1.5% maximum of analytical iron. Not
to contain more than a total 5% maximum of nonmetallics,
of which no more than 1% shall be rubber
and plastics. To be free of excessively oxidized material,
air bag canisters, or any sealed or pressurized
items. Any variation to be sold by special arrangement
between buyer and seller.
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