Profile: Chokhavatia Associates specializes in providing civil and environmental engineering consultancy services. We provide a complete spectrum of services, which includes feasibility studies, advisory & consulting services, complete engineering design drawings, project management, construction management, operational troubleshooting & maintenance contracts. We provide monitoring services for effluent gas streams generated by various industries. To monitor ambient air quality and effluent gases efficient gas sensing devices are required .We design monitoring equipment to monitor the opacity of effluent gas stream, to examine large particles and to check ambient air quality. We also optimize instruments used for continuous air monitoring. We design sensitive sensors for pollutant gases such as CO, NO, NO2, O3, SO2 and hydrocarbons. Our air pollution control and monitoring equipments provide accurate data which can used to develop preventive techniques.