Changes

* PowerPoint presentation: [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&ved=0CHQQFjAJ&url=http%3A%2F%2Fiom.edu%2F~%2Fmedia%2FFiles%2FActivity%2520Files%2FPublicHealth%2FMicrobialThreats%2FSobsey.pdf&ei=0KwZUPDkKOOsigLSl4H4Ag&usg=AFQjCNGqoK7Qs9pVt-bi0W7yrB29YeMGVQ&sig2=nYxzrIoZ2fyO7aHwckhJ2g Current Issues and Approaches to Microbial Testing of Water: Applicability and Use of Current Tests in the Developing World]

* [http://micrologylabs.mennonite.net/Home/About_Us/History The History of the Development of the Easygel ® and Coliscan ® Methods]

==Acknowledgements==