Standard No.:	GB/T 14581-1993
Chinese Name:	水质 湖泊和水库采样技术指导
English Name:	Water quality－Guidance on sampling techniques from lakes,natural and man-made
Professional Classification:	Z12
Professional Classification:	GB National Standard
ICS Classification:	13.060.10 Water of natural resources
Issued by:
Issued on:	1993-08-30
Implemented on:	1994-04-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:
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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 C 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