NRS-5233 | General correspondence files: Chemist and Biologist [Hunter District Water Board]

These files relate to the work performed by the Board's chemists and biologists. They include correspondence and office memoranda relating to the analysis of water samples, water treatment, the chlorination, fluorination and/or sterilization of water. Analysis of waste water discharged from coal mines is also included. These files have the prefix "55/" which represents the subject category of chemist and biologist. (34/1089.2-1093.1). 5 boxes (part). Note: This description is extracted from Concise Guide to the State Archives of New South Wales, 3rd Edition 2000.