About John Choo

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By | 2017-09-04T13:50:43+00:00 September 4th, 2017|Uncategorized|

Isokinetic Stack Monitoring Req : Department of Environment (Environment Quality – Clean Air Regulation 1978) Local Exhaust Vertilation Monitoring Reg : 17 & 18 Department of Occupational Safety and Health (DOSH) Noise Monitoring - DOE and DOSH Chemical Health Risk Assessment (CHRA) Regulation 9 of DOSH Ambient Air Monitoring Req : Malaysian Recommended Env. Air