ENTREAT LABORATORIES is a leading chemical testing provider working to satisfy clients of diverse industries. It is a laboratory with the latest technology and testing instruments. Located in Chennai, Tamil Nadu. It provides testing services for AIR, GASES & ATMOSPHERE, tests for Ambient Air Monitoring/ Work Zone Monitoring, (Respirable Suspended Particulate Matter, Particulate Matter (Less than 2.5µm) or PM2.5) Stack Monitoring (PM, So2), Noise Level Monitoring are offered. Testing for POLLUTION & ENVIRONMENT is also done for Waste Water, Industrial / Domestic Effluents and for WATER (Groundwater, Drinking Water, Bore well). Among various tests that are performed major ones are to ascertain the level of Phenols as C6H5OH, Zinc, Lead, Alkalinity as CaCO, Acidity as CaCO3, pH, odor, Dissolved Oxygen, BOD @ 27°C for 3 days, Electrical Conductivity @ 25°C etc. The laboratory is ever-growing since its inception. It is an NABL accredited laboratory.