WATERLOO, Canada, May 2008 – Schlumberger Water Services (SWS) today announced the release of Visual MODFLOW Premium* Version 4.3, the industry standard in dynamic groundwater flow and contaminant transport modeling. Version 4.3 now integrates new and enhanced features including the Multi-Node Well (MNW) package, support for MODFLOW-SURFACT v3, MT3DMS multi-processor support, improved Wells Manager, and two numeric engine updates. Version 4.3 provides the highest level of accuracy to help you deliver complex groundwater projects while minimizing uncertainty…CAMESE