C-22 - Asbestos Abatement Contractor. This classification description is an excerpt of the regulation that established the C-22 Asbestos Abatement contractor classification. Click here for the full text of the regulations that relate to the C-22 classification.
The liver is one of the main sites of storage for vitamin B-12. Approximately 60 percent of the vitamin B-12 in the body is stored in the liver, with another 30 percent stored in muscles.
The serum vitamin B12 content, as determined by microbiologic assay, was increased above the normal range in patients with liver disease. The mechanism of the increased serum content was investigated by means of radioactive vitamin B12. The absorption, excretion and the plasma clearance were within the normal range.