Membrane Autopsy Reference for deciding when to autopsy a membrane element, how to ship it, what each lab method reveals, and how to translate findings into operational action or a warranty claim. Convention markers: - — likely bug or incorrect assumption in calling code - — enhancement opportunity (autopsy-driven lifecycle update, vendor warranty workflow integration) --- §1 — When to Autopsy (Decision Matrix) 1.1 Trigger conditions (any one suffices) | Trigger | Threshold | Notes | |---|---|---| | Salt rejection drop (passage rise) | 10 % vs baseline, persistent after 2 CIPs | Avista / AWC…