i had ants really bad 2 years ago in my apartment. Maintenance also takes care of all the "exterminating", so I called the main office and told them I would just like them to spray the outside of the apartment as I am very careful about any chemicals around my chins. Inside I used Terro products, one was this liquid that you put on this piece of cardboard, and the rest where the simple traps. I also bought a powder that can be sprinkled. It all worked wonderfully and maintenance never had to come into my apartment and "bomb" it. It was particularly difficult in my apartment as my living room, kitchen, and dining room are all one big room and the chins are in the living room. I'd try a few things on your own before risking bombing the apartment.