MERL may delay commencement of employment, rescind an offer of employment, terminate employment, and/or modify job responsibilities, compensation, benefits, and/or access to MERL facilities and information systems, as MERL deems appropriate, to ensure practical compliance with applicable employment law and government access control restrictions. The topic is motivated by state estimation problems associated with distributed thermofluid systems that are governed by large scale, nonlinear but sparse differential algebraic equations.