11.   It was the NFL, all right, but at the basement floor.

12.   It would take three days to recover the bodies of the four firefighters who had died on the basement floor.

13.   Precarious remaining basement floors of the Trade Center complex are meticulously removed.

14.   Q. A rug installer said he would glue down indoor-outdoor carpet on a concrete basement floor, covering the entire surface as a vapor barrier.

15.   Q. I have old asbestos tiles on my basement concrete floor.

16.   Q. I just built a house, and plan to put a carpet on the concrete basement floor.

17.   Q. I moved into a new house, a condo in September, and noticed a crack in the basement concrete floor.

18.   Q. My basement floor is peeling all over.

19.   Q. My boiler leaked rusty water on the concrete basement floor.

20.   Q. My concrete basement floor is beginning to scale, with good-sized chunks coming off it.