When sulphate-bearing groundwater is flagged for marine-adjacent footings, which workflow best reflects controlled concrete category decisions keyed to QA practice?

Choices

• (A) Assume interior exposure uniformly
• (B) Bind exposure class to geotech reports and reconcile mix / cover / SCM per structural notes
• (C) Reduce covers whenever surface paste looks chalky white
• (D) Optimize solely on daily cement bargains