Table 11: Recommended Monitoring Mechanism for Mining and Energy activities Responsible Indicative Control mechanism Test Methods limits institution Parameter Ministry of APHA Standard Methods: Energy and Chlorides 4110 B. Ion Chromatography 200 mg/L Wastewater Treatment Mechanism Minerals/ (cl-) with Chemical Suppression of NEMC Eluant Conductivity APHA Standard Methods: Ministry of 4110 B. Ion Energy and Sulphides 1 mg/L Wastewater Treatment Mechanism Chromatography with Minerals/ (S-) Chemical Suppression of NEMC Eluant Conductivity APHA Standard Methods: Ministry of 4110 B. Ion Energy and Nitrates Chromatography with 20 mg/L Wastewater Treatment Mechanism Minerals/ (NO3-) Chemical Suppression NEMC of Eluant Conductivity APHA Standard Methods: Ministry of 4110 B. Ion Energy and Sulphates Chromatography with 500 mg/L Wastewater Treatment Mechanism Minerals/ (SO42-) Chemical Suppression NEMC of Eluant Conductivity APHA Standard Methods: Ministry of 4110 B. Ion Energy and Fluorides Chromatography with 8 mg/L Wastewater Treatment Mechanism Minerals/ (F-) Chemical Suppression NEMC of Eluant Conductivity EMDC1 1173: Part 8 - Manual Ministry of hydride Energy and Arsenic Containment 0.2 mg/L Minerals/ (As) Generation- Atomic NEMC Absorption Spectrometry EMDC1 1173: Part 7 - Direct Ministry of Nitrous Oxide-Acetylene Energy and Barium 1.5 mg/L Containment Flame Atomic Absorption Minerals/ (Ba) NEMC Spectrometry Ministry of EMDC1 1173: Part 7 - Flame Energy and Containment Nickel (Ni) Atomic Absorption 0.5 mg/L Minerals/ Spectrometry NEMC
Table 11: Recommended Monitoring Mechanism for Mining and Energy activities Indicative Parameter Test Methods limits Control mechanism Responsible institution Chlorides (cl-) APHA Standard Methods: 4110 B. Ion Chromatography with Chemical Suppression of Eluant Conductivity 200 mg/L Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC Sulphides (S-) APHA Standard Methods: 4110 B. Ion Chromatography with Chemical Suppression of Eluant Conductivity 1 mg/L Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC Nitrates (NO3-) APHA Standard Methods: 4110 B. Ion Chromatography with Chemical Suppression of Eluant Conductivity 20 mg/L Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC Sulphates (SO42-) APHA Standard Methods: 4110 B. Ion Chromatography with Chemical Suppression of Eluant Conductivity 500 mg/L Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC Fluorides (F-) APHA Standard Methods: 4110 B. Ion Chromatography with Chemical Suppression of Eluant Conductivity 8 mg/L Wastewater Treatment Mechanism Ministry of Energy and Minerals/ NEMC Arsenic (As) EMDC1 1173: Part 8 - Manual hydride Generation- Atomic Absorption Spectrometry 0.2 mg/L Containment Ministry of Energy and Minerals/ NEMC Barium (Ba) EMDC1 1173: Part 7 - Direct Nitrous Oxide-Acetylene Flame Atomic Absorption Spectrometry 1.5 mg/L Containment Ministry of Energy and Minerals/ NEMC Nickel (Ni) EMDC1 1173: Part 7 - Flame Atomic Absorption Spectrometry 0.5 mg/L Containment Ministry of Energy and Minerals/ NEMC
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