Core Inspect Ptech Secret Haz&Waste Water Air Law Plan Extension Phone Number:  Core Please dial 66 2 298 + extension no., otherwise try 66 2 298 2000 and press extension no. Acting Director General Wichien Jungrungruang 2122 Deputy Director General Sunee Piyapanpong 2150 Deputy Director General (CIO) Worasart Apaipong 2753 Auditor Napatr Thongnual 2013 Wasawat Phalachit 2761 Panusak Promsakha na sakonnakorn 2026 Duangdao Ngamsanga 2761 Management System Development Group - 2499 Lakkana Julsaeng 2447 Thananya Tantulavanich 2617 Trongkamol Kaewmesri 2195 Manika Suntuch 2465 Amornrat Peaworn 2465 AB C DE IJ K LM N P R S T UV WY Inspect = Inspection and Enforcement Division Ptech = Environmental Quality and Laboratory Division Secret = Office of the Secretary Haz&Waste = Waste and Hazardous Substance Management Bureau Water = Water Quality Management Bureau Air = Air Quality and Noise Management Bureau Law = Legal Division Plan = Planning Analysis and Evaluation Division