| Title:  Milorganite® (Milwaukee Met. Sewer. Dist.) CAS Registry Number:  8049-99-8 Literature References:  Activated sewage sludge prepd by microbial treatment of sewage, useful as fertilizer and as a source of vitamin B12:  Schendel, Johnson, J. Agric. Food Chem. 2, 23 (1954).  Isoln of B12-active product:  Miner, Wolnak, US 2646386 (1953 to Sewerage Commission of Milwaukee); US 2941933 (1960 to UCLAF). CAUTION:  The dust can cause irritation of eyes, respiratory tract.  |