The news release means he following.

Value of the elements:

0.051 grams per ton platinum, ($65/gram) = $3

0.521 grams per ton palladium, ($18/gram) = $9

0.953 grams per ton gold, ($30/gram) = $28

957 grams per ton nickel ($14/lb.) = $29

2,070 grams per ton chromium. ($7/Kg.) = $14

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Total value approx. $83 per ton max.

Note that this is the maximum possible and it Does Not imply that Every ton has all of those elements but that some of the tons have these elemental maximums.