- Effect of oxidizing disinfectants (chlorine, monochloramine, and ozone) on Helicobacter pyloriKatherine H Baker
Environmental Engineering Programs, Penn State Capital College, 777 W Harrisburg Pike, Middletown, PA 17057, USA
Appl Environ Microbiol 68:981-4. 2002..H. pylori is more resistant than E. coli to chlorine and ozone but not monochloramine. H. pylori may be able to tolerate disinfectants in distribution systems and, therefore, may be transmitted by a waterborne route...
- False positive fecal coliform in biosolid samples assayed using A-1 mediumKatherine H Baker
Environmental Engineering Program, Penn State Capital College, Middletown, PA 17057, USA
Water Environ Res 77:423-4. 2005..Analysis of positive A-1 tubes, however, indicated that a high percentage of these were false positives. Therefore, the use of A-1 broth for 40 CFR Part 503 Pathogen Reduction (CFR, 1993) compliance testing is not recommended...