Air, Water and Soil -- Determination of Physical Properties of Environmental Samples -- Analysis of Organic Matter in Environmental Samples -- Spectrophotometric and Titrimetric Methods for Determination of Anions -- Determination of Air Pollutants Using Titrimetric and Spectrophotometric Methods -- Spectrophotometric Methods for Determination of Heavy Metals -- Determination of Carbonates in Environmental Samples -- Microbial Examination of Potable Water -- Appendix I: General Precautions for Spectrophotometric Methods and Solution Preparation -- Appendix II: Standard Operating Procedure for Glassware Cleaning and Safety Measures -- Appendix III: Beer Lambert's Law.