8B1 Organic carbon – W&B/total nitrogen ratio

Express % C – W&B, determined by Method 6A1 and TSN as % N, from an appropriate method (Method 7A1 to 7A6) for the same profile segment, each on an oven-dry basis.

Calculation

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Report C – W&B/N ratio on an oven-dry basis noting the method code for % N.