Testing of drinking water, well water for pH value, Electrical conductivity, hardness, color, chlorine, chloride, fluoride, phosphate, total iron, total residue, nitrate, nitrite, ammonia, total alkalinity/total acidity, sulfate, aerobic plate count, coli form and E-coli bacteria. Also foods like milk, process meat, and soft drinks are analyzed for Salmonella, Staphylococcus auras, etc. And effluents released by factories, domestic, sewage treatment plants are tested for BOD, COD, TSS and Oil & Grease