Permissible limit for military operation noise
This standard is applicable to military operation noise other than impulsive noise.
1 Terminology
1.1
impulsive noise
noise consisting of one or more tone bursts of duration less than 1 second
2 Permissible noise limit
2.1 For a daily exposure duration of 8 hours, the permissible sound level is 90 dB(A).
2.2 For a daily exposure duration of less than 8 hours, the contents of following table shall be carried out.
Contents of GJB 50-1985
Foreword i
1 Terminology
2 Permissible noise limit
3 Use of ear protective equipment
4 Noise measurement
