ALS Laboratory Group (Thailand) Co., Ltd. 104 Phatthanakan 40, Phatthanakan Rd., Khwaeng Phatthanakan, Khet Suan Luang, Bangkok 10250 Thailand T +66 2 760 3000 F +66 2 760 3197 Right Solutions • Right Partner www.alsglobal.com ¦µ¥µ¦Á¦ºÉ°¤º°¸ÉÄoĵ¦ª·Á¦µ³®r ° Sample Name Parameter Equipment Name ID No. Calibrated Date Next Cal Freq. Calibrate (Months) Stack Total Suspended Particulate Console Control Unit 47 228-2-47-01 3-Jul-18 3-Jan-19 6 Stack Total Suspended Particulate Analytical Balance 4 D. RYG_EN0003 6-Jul-18 6-Jan-20 18 Stack Oxides of Nitrogen Console Control Unit 47 228-2-47-01 3-Jul-18 3-Jan-19 6 Stack Oxides of Nitrogen Vacuum Gauge BKK_FS0481 9-Mar-18 9-Sep-19 18 Stack Oxides of Nitrogen Spectrophotometer RYG_EN0019 1-Aug-18 1-Feb-20 18 Stack Butadiene Console Control Unit 47 228-2-47-01 3-Jul-18 3-Jan-19 6 Stack Butadiene Field Rotameter 238-2-21-01 1-Sep-18 1-Oct-18 1 Stack Butadiene GC-MSD BKK_EN0119 13-Sep-18 13-Sep-19 12 Ambient Particulate Matter (PM-10) High Volume 218-2-56-01 - - On site Calibration Ambient Particulate Matter (PM-10) High Volume 218-2-67-01 - - On site Calibration Ambient Particulate Matter (PM-10) Analytical Balance 5 D. RYG_EN0001 6-Jul-18 6-Jan-20 18 Ambient Nitrogen Dioxide NO2 Analyzer H73KYD1M - - On site Calibration Ambient Nitrogen Dioxide NO2 Analyzer ALPOVOWY - - On site Calibration Ambient Wind Speed / Wind Direction Wind Speed / Wind Direction RYG_FS0089 2-Feb-18 2-Aug-19 18 Ambient Wind Speed / Wind Direction Wind Speed / Wind Direction 198-1-29-01 5-May-17 5-Nov-18 18 Noise Leq 8 hrs Acoustic Calibrator RYG_FS0214 17-Jan-18 17-Jan-19 12 Noise Leq 8 hrs Sound Level Meter RYG_FS0386 4-Jul-18 4-Jul-19 12 Noise Leq 8 hrs Sound Level Meter RYG_FS0390 4-Jul-18 4-Jul-19 12 Noise Leq 24 hrs Acoustic Calibrator RYG_FS0213 17-Jan-18 17-Jan-19 12 Noise Leq 24 hrs Sound Level Meter RYG_FS0390 4-Jul-18 4-Jul-19 12 Workplace Butadiene Field Rotameter 238-2-31-01 1-Oct-18 1-Nov-18 1 Workplace Butadiene GC-MSD BKK_EN0119 13-Sep-18 13-Sep-19 12 Workplace Acrylonitrile Field Rotameter 238-2-31-01 1-Oct-18 1-Nov-18 1 Workplace Acrylonitrile GC-FID BKK_EN0126 4-May-18 4-May-19 12 Workplace Acrylic Acid Field Rotameter 238-2-31-01 1-Oct-18 1-Nov-18 1 Workplace Acrylic Acid HPLC-UV 043-2-16-01 24-May-18 24-Nov-19 18 Workplace Styrene Monomer Field Rotameter 238-2-31-01 1-Oct-18 1-Nov-18 1 Workplace Styrene Monomer GC-MSD BKK_EN0119 13-Sep-18 13-Sep-19 12 Water Lab Total Organic carbon TOC Analyzer BKK_EN0066 30-Nov-18 30-Nov-19 12 Rayong Lab pH at 25 o C pH meter RYG_EN0018 11-Sep-18 11-Sep-19 12 Rayong Lab BOD (5 days at 20°C) DO meter with Sensor RYG_EN0032 12-Sep-18 12-Sep-19 12 Rayong Lab BOD (5 days at 20°C) Incubator RYG_EN0007 7-May-18 7-Nov-19 18 Rayong Lab COD UV-Vis Spectrophotometer RYG_EN0019 1-Aug-18 1-Feb-20 18 Rayong Lab Total Dissolved Solids 103- 105°C Electronic Balance RYG_EN0002 6-Jul-18 6-Jan-20 18 Rayong Lab Total Dissolved Solids 103- 105°C Chember Oven RYG_EN0008 7-May-18 7-Nov-19 18 Rayong Lab Temperature Digital Termometer with Probe RYG_EN0072 20-Jul-18 20-Jan-20 18 Rayong Lab Oil & Grease Electronic Balance RYG_EN0002 6-Jul-18 6-Jan-20 18 Rayong Lab Oil & Grease Chember Oven RYG_EN0006 7-May-18 7-Nov-19 18 Rayong Lab Oil & Grease Water Bath RYG_EN0061 7-May-18 7-Nov-19 18