40 CFR Table Z-1 to Subpart Z of Part 98
Default Chemical Composition of Phosphate Rock by Origin
June 9, 2020
CFR
Open Table
Origin Total carbon
(percent by weight)
Central Florida 1.6
North Florida 1.76
North Carolina (Calcined) 0.76
Idaho (Calcined) 0.60
Morocco 1.56

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