Envirochem Laboratories Pvt. Ltd. Envirochem Laboratories Pvt. Ltd. (ELPL) is a consultancy organization rendering a wide range of environment related services for more than twenty years. We are an end to end environmental solutions company providing consultancy, implementation and maintenance services for industrial and large residential projects. We are based in Thrissur, Kearala. Envirochem Laboratories was started in 1984 by Dr. Sivasankara Pillai, retired as Professor and Head of the Department of Chemical Engineering, Government Engineering College, Thrissur, Kerala. Presently he is the Chief consultant and Chairman of Envirochem Laboratories Pvt. Ltd, Thrissur, Kerala. Our services include conducting Environmental Impact Assessments(EIA), installation of treatment plants, Operation & maintenance of Waste water treatment plants, Chemical supplies and Laboratory & Analytical Services. Our client list includes some of the foremost industry houses in India, International funding agencies, Governmental and semi-Governmental bodies.