Fig. 5From: How long do natural waters “remember” release incidents of Marcellus Shale waters: a first order approximation using reactive transport modelingSpatio-temporal evolution of Br concentration in the sandstone aquifer in the MIX + DISS/PPT + IEX case on days 11, 25, 27 and 160. Release starts on day 10 and ends on day 25. The other tracer Cl behaves the same as BrBack to article page