The blood on Tracy's body is orange, indicating it is fake blood.
The address where Rockford finds the bloody apron is in Sherman Oaks. The ocean is visible in the background when Rockford finds the apron. Sherman Oaks is not a beach town, it is inland in the San Fernando Valley.
When Dr. Albach at the end says that he can finish the experiment he's wrong. With all the things that happened, his study would be worthless and would ruin his reputation as a researcher.