Standard No.:	GB/T 14581-1993
English Name:	Water quality - Guidance on sampling techniques from lakes, natural and man-made
Chinese Name:	水质 湖泊和水库采样技术指导
Chinese Classification:	Z12    Sampling methods for liquid mediums and plant, animal and human organism
Professional Classification:	GB    National Standard
ICS Classification:	13.060.10 13.060.10    Water of natural resources 13.060.10
Source Content Issued by:	AQSIQ; MEP
Issued on:	1993-8-30
Implemented on:	1994-4-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	214.0
Delivery:	via email in 1 business day

1 Scope and Field of Application This standard presents detailed principles to be applied to the design of sampling programmes, to sampling techniques and the handling and preservation of samples of water from natural and man-made lakes. Sampling for microbiological examination is not included. This standard is applicable to natural and man-made lakes; the main objectives are specified in 1.1 to 1.3 1.1 Quality characterization measurement Measurement of water quality over a long period of time for investigating the quality and development tendency of water of natural and man-made lakes. 1.2 Quality control measurement Measurement of water quality over a long period of time at one or several defined places in a body of water. 1.3 Measurement for specific reasons Identification and measurement of pollution, for example some species mortality, or other unusual phenomena (water bloom or color). 2 Normative References GB 6816 Water quality – Vocabulary - Part 1 and Part 2 GB 12997 Water Quality - Technical Regulation on the Design of Sampling Programmes GB 12998 Water Quality - Guidance on Sampling Techniques GB 12999 Water Quality Sampling - Technical Regulation of the Preservation and Handling of Samples 3 Definitions

1 Scope and Field of Application 2 Normative References 3 Definitions 4 Sampling Equipment 5 Sampling Procedure 6 Safety Precautions 7 Sample Identification and Records Annex A Report - Sampling from Lakes, Natural and Man-made (Supplement) Annex B Measurements in the Field (Supplement) Additional Explanation: