Disinfection Efficiency and Dose Measurement of Polychromatic UV Light. (reprint, 2003).1843398400 Disinfection disinfection, n the process of destroying pathogenic organisms or rendering them inert. disinfection, full oral cavity, n a procedure used to reduce active periodontal disease, usually completed within a certain short time frame. efficiency and dose measurement of polychromatic polychromatic /poly·chro·mat·ic/ (-krom-at´ik) many-colored. pol·y·chro·mat·ic or pol·y·chro·mic or pol·y·chro·mous adj. Having or exhibiting many colors. UV light. (reprint, 2003) Ed. by Karl G. Linden and Alexander A. Mofidi. American Water Works Assn. 2004 117 pages $205.00 Paperback TD460 Recently, utility companies have been expressing interest in using polychromatic pulsed ultraviolet (UV) lamps and medium-pressure UV lamps as disinfectants for drinking water. This report compares three UV lamps, showing the methodologies necessary to measure the effective germicidal germicidal /ger·mi·ci·dal/ (jer?mi-si´d'l) antimicrobial (1). germicidal destructive to pathogenic microorganisms. UV doses from polychromatic UV sources and the ability of the different lamps to inactivate in·ac·ti·vate v. 1. To render nonfunctional. 2. To make quiescent. in·ac  ti·va heterotropic plate count bacteria, MS-2
coliphage coliphage /col·i·phage/ (kol´i-faj) any bacteriophage that infects Escherichia coli. co·li·phage n. A bacteriophage with an affinity for a strain of Escherichia coli. , and Crytosporidium parvum. The report describes materials needed to set up and conduct experiments and interpret the resulting data, and includes sample photographs and step-by-step testing methods. ([c] 2005 Book News, Inc., Portland, OR) |
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