| fecal indicator bacteria persistence under natural conditions in an ice-covered river. | total coliform (tc), fecal coliform (fc), and fecal streptococcus (fs) survival characteristics, under natural conditions at 0 degrees c in an ice-covered river, were examined during february and march 1975. the membrane filter (mf) technique was used throughout the study, and the multiple-tube (mpn) method was used in parallel on three preselected days for comparative recovery of these bacteria. survival was studied at seven sample stations downstream from all domestic pollution sources in a 31 ... | 1976 | 825042 |