Foreword

The Minimal National Standards (MINAS) for a particular industry are the effluent standards achievable by the industry by installing pollution control measures which are within the techno-economic capability of the industry. Depending on the seriousness of the pollution and techno-economic assessment of the requisite pollution control measures the MINAS may be attained in one stroke or in phases. The evolution of MINAS thus remain independent of the chara- cteristics of the recipient environment. The concerted understanding between the Central and State Boards for Pollution Control is no relaxation to MINAS as because the .same is techno-economically attainable by tl;1e industry. On the contrary, at situation where the recipient environment demands stricter quality of the effluent of the industry, the State Boards are required to prescribe standards stricter than MINAS.

The present treatise, belongs to series -Comprehensive Industry Document Series: COINDS, contains the salient highlights pertaining to straight nitrogenous fertilizer manufacturing units discussed in the main document prepared in respect of FERTILIZER INDUSTRY. Considerable information was collected from the industrial units directly and through State Pollution Control Boards and their cooperation in the endeavour of the Central Board is gratefully acknowledged.

The Comprehensive Industry Document on Fertilizer Industry was prepared by Shri G. S. Ray, WHO Consultant to the Central Board, based on the indepth studies of the units conducted by the Central Board.

Shri N. K. Verma, Environmental Engineer and Dr. K. R. Ranganathan, Senior Environmental Engineer, Central Board, coordinated the activities in preparing this document and prepared this summary document from the main document. Shri M. R. C. Pillai and Shri Anil Kumar Muradha rendered typing assistance. Smt. Bonya Basu prepared the drawings.

This document should be useful tp the .industry, the regulatory agencies, the consultants and to all interested in pollution control