we know we have to try carol atheling we know we've p.c. and the other chemicals it would take you maybe a week for me to tell you all of them we have a book that's there we didn't know all those chemicals until about two years ago. because apparently nobody wanted to tell the health officials. really have been working on. the e.p.a. to change the level of allowable t.h.c. in water they say it said ok level right now what's ok it may be ok for may may not be ok for you you have your chemicals which is actually a pool in the ground in the groundwater and the vapors are seeping up through the ground they take the easiest path. and then they come into your home and that's why you have these really great on machines it's a subset of thing though it takes the pollution disperses coming into the home puts it in the air outside where it's breaks down we know tricolor at the link as askance or we know that and they say it's a moot point now because they're not using it but it's on the ground the first year i moved into this building. and there was