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DZ 55-1987Urban environmental hydrogeology work practices (English PDF)

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Issued by

Ministry of Land and Resources

Level / Type

National · Mandatory

Issue date

January 1, 1987

Implementation date

January 1, 1987

Scope

DZ 55-1987 (Urban environmental hydrogeology work practices) is available as an English-translated PDF.

DZ 55-1987 is the Chinese standard "Urban environmental hydrogeology work practices".

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Document preview — DZ 55-1987

National Standard of the People's Republic of China

Classification: D14

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

DZ 55-1987 is issued by Ministry of Land and Resources.

The DZ prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

The document runs to 8 pages in English translation.

2 Scope Preview

DZ 55-1987 is filed under Chinese Standard Classification D14, in the field of mining.

This catalogue holds 42 other DZ standards without an ICS number.

In this catalogue, DZ standards carry edition years from 1981 to 2002.

3 About this standard

Sector: Geological Industry Standard

Issued by: Ministry of Land and Resources

English translation: about 8 pages (approximate)

Chinese original: about 12,169 characters

4 Related standards

Standards on related subjects:

MT/T 1091-2008 — Standard for exploration and evaluation of hydrogeology, engineering geology and environment geology in coal beds

DZ/T 0207-2002 — Specifications for glass-grade silicon materials, ornamental stone, gypsum, chrysotile asbestos, wollastonite talc and graphite exploration

DZ/T 0206-2002 — Specifications for kaolinite, bentonite, refractory. Clay mineral exploration

5 Classification and status

Chinese Standard Classification (CCS): D 14

Prefix DZ: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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