I recently tried using the lab services in Rio Grande, but the o

Rio Grande / Philadelphia - I recently tried using the lab services in Rio Grande, but the office was dark and empty at 2 p.m. Why aren't the hours listed on the door? You would think they would be open in the afternoon, but no one was there. We tried calling the number on the door, but no one answered. Who is in charge of this lab? Why can't there be hours listed on the door?