SN EN 60721-3-1 : 1997

1 Scope and object
2 Normative references
3 General
4 Definitions
5 Classification of groups of environmental parameters
    and their severities
6 Sets of environmental condition class combinations
Tables
1 Classification of climatic conditions
2 Classification of special climatic conditions
3 Classification of biological conditions
4 Classification of chemically active substances
5 Classification of mechanically active substances
6 Classification of mechanical conditions
7 Sets of environmental class combinations
Figure 1
Annexes
A Summary of conditions covered by the classes
B Summary of conditions covered by the sets of class
    combinations
C Explanation of the environmental conditions in tropical
    areas as specified in classes 1K10 and 1K11
Annex ZA (normative) Normative references to international
publications with their corresponding European publications