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Vocabulary Term Details

Total organic carbon

Definition (

Total organic carbon (TOC) is the amount of carbon found in an organic compound and is often used as a non-specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. TOC may also refer to the amount of organic carbon in soil, or in a geological formation, particularly the source rock for a petroleum play; 2% is a rough minimum. For marine surface sediments, average TOC content is 0.5% in the deep ocean, and 2% along the eastern margins.

Preferred Units: N/A

Scope Note:

Broader TermsNarrower TermsRelated Terms
Total carbon
Total dissolved organic carbon
Total non-purgeable organic carbon
Total dissolved non-purgeable organic carbon
Total particulate organic carbon
Organic carbon

This term is used for the following terms: 

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