Class Concept
This is technical work performing a variety of routine, standard and moderately complex microbiological procedures and analyses on drinking water, non-potable water and milk from both public and private sources. Procedures and quality control checks performed by employees can include multiple tube presumptive, confirmed and completed tests, membrane filter, microscopic and macroscopic examinations and other routine or special water tests and analyses. Employees also perform a variety of dairy procedures including plate count, coliform count, mastitis test, phosphatase and inhibitory substances tests. Employee checks incoming sample forms for completeness, interprets data to determine whether the sample should be analyzed and which routine procedure to use. Work includes researching reference works to identify bacteria and aid in the interpretation of results, recording results and reporting results of positive tests, including identifying why any tests were positive. Work may include other duties as assigned by management. The employee generally works independently but will consult with higher level technicians or their supervisor on unusual situations, problems or results.