Name: NZS 2772.1:1999 Radiofrequency fields Part 1 - Maximum exposure levels 3 kHz - 300 GHz.  
Publication date: April 1999
Link: http://www.health.govt.nz/our-work/radiation-safety/non-ionising-radiation/radiofrequency-field-exposure-standard
Notes: No Legal status for occupational exposures