formaldehyde in all Travel trailers or just worse in FEMA

just curious, how many of the folks who are scared of out gassing of formaldehyde in their RV smoke?
I still remember one bit of footage of the hurricane aftermath of a gentleman who was wading waist deep pushing a float saving his possessions. the commentator remarked as to the dire straits of him rescuing his needs and the camera zoomed in and he was rescuing a case of beer. the photographing immediately ceased when this was realized. :)
bumpy