An accident victim was unable to maintain a normal blood ph. which organs were likely damaged?

Kidney and lungs
When body pH become acidosis or alkalosis the first two organs that will be influenced is kidney and lungs. The body pH can alter your breathing frequency as carbon dioxide is making the pH more acidic. Acidic pH will make your breath faster so you can dump carbon dioxide faster. Acidic pH will also make your urine more acidic since the excess Hydrogen is dumped into the urine.