EN 60721-3-1:1997

FOREWORD
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

Classifies groups of environmental parameters and their severities to which products together with their packaging, if any, are subjected when stored.