ORP 197 219 Methane (CH4) 100–230 – (ppm) air O2 (%) air – – = not available, EC = electrical conductivity, L/s = litres per second, mg/L = milligrams per litre, µS/cm = – microsiemens per centimetre, ORP = oxidation–reduction potential, ppm = parts per million. © Copyright, QWC 2012a Table 61 Dawson River 6 spring complex—isotope data. Site ID ± pMC ± D14C ± 14C ± δ18O δD δ13C age VSMOW (%) VSMOW (%) pMC 44 4.59 – – – – – – – RN89695 0.1 7.178 0.06 0.60 21160 80 – = not available, pMC = per cent modern carbon, VSMOW = Vienna Standard Mean Ocean Water. – © Copyright, QWC 2012a Figure 28 Dawson River 6 spring complex—oxygen (O) and deuterium (D) stable isotope ratios. Table 62 Dawson River 6 spring complex—potentiometric surface data. Vent ID Estimated Elevation (mAHD) Potentiometric flow rate surface elevation GPS OmniSTAR (L/min) (mAHD)a differential (+0.1 metres) Precipice Sandstone 1 12 186.36 227 4 975 179.42 220 5 70 187.85 221 6 21 197.56 221 22 6 199.67 222 23 13 188.14 221 24 133 185.01 221 25 5 184.86 223 27 3 191.59 221 30 2 181.33 196 31 123 183.16 221 32 35 182.94 222 43 0 172.83 222
ORP 197 219 Methane (CH4) (ppm) air – 100–230 O2 (%) air – – – = not available, EC = electrical conductivity, L/s = litres per second, mg/L = milligrams per litre, µS/cm = microsiemens per centimetre, ORP = oxidation–reduction potential, ppm = parts per million. © Copyright, QWC 2012a Table 61 Dawson River 6 spring complex—isotope data. Site ID δ18O VSMOW (%) δD VSMOW (%) δ13C ± pMC ± D14C pMC ± 14C age ± 44 4.59 – – – – – – – RN89695 – 0.1 7.178 0.06 0.60 21160 80 – = not available, pMC = per cent modern carbon, VSMOW = Vienna Standard Mean Ocean Water. © Copyright, QWC 2012a Figure 28 Dawson River 6 spring complex—oxygen (O) and deuterium (D) stable isotope ratios. Table 62 Dawson River 6 spring complex—potentiometric surface data. Vent ID Estimated flow rate (L/min) Elevation (mAHD) GPS OmniSTAR differential (+0.1 metres) Potentiometric surface elevation (mAHD)a Precipice Sandstone 1 12 186.36 227 4 975 179.42 220 5 70 187.85 221 6 21 197.56 221 22 6 199.67 222 23 13 188.14 221 24 133 185.01 221 25 5 184.86 223 27 3 191.59 221 30 2 181.33 196 31 123 183.16 221 32 35 182.94 222 43 0 172.83 222
gab-springs-survey-vol-2_0.docx