Environmental Data Coding Specification

International Standard ISO/IEC 18025

This document is ISO/IEC 18025, the Environmental Data Coding Specification (EDCS). The full title of this International Standard is: Information technology — Environmental Data Coding Specification (EDCS).

Background Clauses Annexes
Foreword 1 Scope A Deprecated EDCS dictionary entries
Introduction 2 Normative references B Groups and references for EDCS classifications
  3 Terms, definitions, symbols and abbreviated terms C Groups and references for EDCS attributes and references for EDCS attribute value characteristics
  4 Concepts D References for EDCS attribute enumerants
  5 EDCS classifications E References for the EDCS groups in EO GENERAL
  6 EDCS attributes F Change and deprecation plan
  7 EDCS units G Abbreviations used in the construction of labels
  8 EDCS organizational schema H Relationship to ISO/IEC 18023-1
  9 EDCS application program interface I Templates for registration, modification, clarification and deprecation proposals
  10 Guidelines for registration and modification proposals J Reference acknowledgements
  11 Conformance Bibliography
    EDCS dictionary index

The Foreword provides background on the standards process for ISO/IEC 18025. The Introduction describes the purpose and characteristics of EDCS. ISO/IEC 18025 is comprised of:

  1. Scope defines the subject and aspects that ISO/IEC 18025 addresses.
  2. Normative references lists the normative references.
  3. Terms, definitions, symbols and abbreviated terms defines the terms used within ISO/IEC 18025.
  4. Concepts describes various fundamentals of ISO/IEC 18025.
  5. EDCS classifications defines the classifications used by ISO/IEC 18025.
  6. EDCS attributes defines the attributes, attribute value characteristics, and attribute enumerants used by ISO/IEC 18025.
  7. EDCS units defines the units, unit scales, and unit equivalence classes used by ISO/IEC 18025.
  8. EDCS organizational schema defines the organizational schema and groups used by ISO/IEC 18025.
  9. EDCS application program interface defines the abstract functions used by ISO/IEC 18025 to access data.
  10. Guidelines for registration and modification proposals defines registration rules and guidelines used by ISO/IEC 18025.
  11. Conformance specifies the criteria by which implementations of ISO/IEC 18025 can claim conformance.

ISO/IEC 18025 contains the following annexes:

  1. Deprecated EDCS dictionary entries provides those EDCS dictionary entries whose use is deprecated.
  2. Groups and references for EDCS classifications provides groups and references for those EDCS classifications defined in Clause 5.
  3. Groups and references for EDCS attributes and references for EDCS attribute value characteristics provides groups and/or references for EDCS attributes and EDCS attribute value characteristics defined in Clause 6.
  4. References for EDCS attribute enumerants provides references for EDCS attribute enumerants defined in Clause 6.
  5. References for the EDCS groups in EO GENERAL provides references for EDCS groups defined in Clause 8.
  6. Change and deprecation plan provides rules and guidelines for change and deprecation of EDCS concepts.
  7. Abbreviations used in the construction of labels provides abbreviations used in the construction of labels.
  8. Relationship to ISO/IEC 18023-1 provides information regarding EDCS' relationship to ISO/IEC 18023-1.
  9. Templates for registration, modification, clarification and deprecation proposals provides a set of blank forms that may be used to create proposals.
  10. Reference acknowledgements provides acknowledgement of copyright owners for definitions of selected EDCS concepts.

Bibliography lists publications that provide related additional information. EDCS dictionary index provides hyperlinks to EDCS dictionary entries and deprecations.