New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 4) which is identical with ISO 5667-4 : 2016 ‘Water quality - Sampling - Part 4: Guidance on sampling from lakes, natural and man-made’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Water Quality Sectional Committee and approval of the Chemical Division Council.