id,alloy,impedance_coherence,surface_ph_variance,pit_precursor_density,chloride_ppm,temperature_c,passivation_coherence_score,breakdown_risk_flag,time_to_pitting,critical_surface_zone,protective_action,notes,constraints,gold_check
PASS-001,316L,0.91,0.05,0.02,200,40,0.89,0,480,none,monitor only,Stable passivation,Under 300 words,coherence+risk+horizon
PASS-002,duplex-steel,0.74,0.12,0.09,450,55,0.71,0,220,localized pit cluster,coating reinforcement,Early drift,Under 300 words,coherence+risk+horizon
PASS-003,304-steel,0.58,0.22,0.18,620,60,0.55,1,90,grain boundary,reduce chloride,Passivation weakening,Under 300 words,coherence+risk+horizon
PASS-004,nickel-alloy,0.83,0.09,0.05,300,48,0.82,0,360,none,monitor only,Healthy system,Under 300 words,coherence+risk+horizon
PASS-005,marine-alloy,0.46,0.31,0.27,800,62,0.43,1,35,outer surface,immediate washdown,Critical drift,Under 300 words,coherence+risk+horizon
PASS-006,titanium-alloy,0.88,0.07,0.03,150,38,0.86,0,410,none,monitor only,Stable,Under 300 words,coherence+risk+horizon