Wow guys thanks for all the info, got a bit to keep an eye on now. I've answered each question & think we have a winner. Here's where they're kept.
This is in my man cave where I do all my building.
cobraman, No, sunlight, heat, possibly, it does get hot & humid here.
Art Anderson, It's fading away, very in depth report, thanks for teaching me something new.
Modelbuilder Mark, Now there could be a problem as I use baking soda & super glue as body filler. No carpet powders used in the house.
Pro Wrench, I'm single & live on my own, only do basic house work so no glass cleaners used
I do smoke but not in the house.