These problems include the inability to connect to Wi-Fi, 3G and/or Edge, lack of push notifications and issues with the YouTube application. Fortunately there are several fixes you can try to correct these data issues on your iPhone: 3.
Chimney soot is another contaminant resulting from incomplete combustion, and it forms when wood does not burn hot enough (less than 284 degrees). This powdery brown or black dust sticks to the inside of chimneys (sometimes escaping into the air) and carries a few risks similar to creosote, such as: Lung Hazard.
A professional chimney cleaning will ensure that your chimney is clear of creosote or other obstructions that could catch fire or prevent the smoke and other gases from venting outdoors. To help cut the amount of creosote, which emits a pungent smell if left untreated, always use dry wood to get efficient, complete burning.