quality - Examination and Minerals/ determination of color - NEMC Section 3: Determination of true color using optical instruments Ministry of Chemical EMDC1 1173: Part 4 - Energy and Oxygen Dichromate 60 mg/L Wastewater Treatment Mechanism Minerals/ Demand Digestion Method NEMC (COD) Ministry of Energy and BOD5 at 1173: Part 3 - Five-day BOD 30 mg/L Wastewater Treatment Mechanism Minerals/ 20oC Method EMDC1 NEMC Table 12: Recommended Monitoring Mechanism for Industrial activities Test Methods Control Responsible Indicative limits Mechanism institution Parameter 30 mg/L Wastewater OSHA/ NEMC BOD5 at 20 Treatment 0C Mechanism COD EMDC1 1173: Part 4-Dichromate Digestion 60 mg/L Wastewater OSHA/ NEMC Method Treatment Mechanism Color ISO 7887: 1994, Water quality - Examination 300 TCU Wastewater OSHA/ NEMC and determination of colour - Section 3: Treatment Determination of true colour Mechanism pH EMDC1 1173: Part 2- Electrometric Method 6.5-8.5 Wastewater OSHA/ NEMC Treatment Mechanism See Annex A 20-35 oC Wastewater OSHA/ NEMC Treatment Mechanism Total EMDC1 1173: Part 1 – Gravimetric 100 mg/L Wastewater OSHA/ NEMC Suspended Treatment Solids (TSS) Mechanism Turbidity APHA Standard Methods:2130 B.Nephelometric 300 NTU Wastewater OSHA/ NEMC Method Treatment Mechanism Aluminium EMDC1 1173: Part 7 -Direct Nitrous 2.0 mg/L Containment OSHA/ NEMC (as Al) Flame Atomic Absorption Spectrometry
quality - Examination and determination of color - Section 3: Determination of true color using optical instruments Minerals/ NEMC Chemical Oxygen Demand (COD) EMDC1 1173: Part 4 - Dichromate Digestion Method 60 mg/L Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC BOD5 at 20oC 1173: Part 3 - Five-day BOD Method 30 mg/L EMDC1 Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC Table 12: Recommended Monitoring Mechanism for Industrial activities Indicative Parameter Test Methods limits Control Mechanism Responsible institution BOD5 at 20 0C 30 mg/L Wastewater Treatment Mechanism OSHA/ NEMC COD EMDC1 1173: Part 4-Dichromate Digestion Method 60 mg/L Wastewater Treatment Mechanism OSHA/ NEMC Color ISO 7887: 1994, Water quality - Examination and determination of colour - Section 3: Determination of true colour 300 TCU Wastewater Treatment Mechanism OSHA/ NEMC pH EMDC1 1173: Part 2- Electrometric Method 6.5-8.5 Wastewater Treatment Mechanism OSHA/ NEMC See Annex A 20-35 oC Wastewater Treatment Mechanism OSHA/ NEMC Total Suspended Solids (TSS) EMDC1 1173: Part 1 – Gravimetric 100 mg/L Wastewater Treatment Mechanism OSHA/ NEMC Turbidity APHA Standard Methods:2130 B.Nephelometric Method 300 NTU Wastewater Treatment Mechanism OSHA/ NEMC Aluminium (as Al) EMDC1 1173: Part 7 -Direct Nitrous Flame Atomic Absorption Spectrometry 2.0 mg/L Containment OSHA/ NEMC