The adjustments to convert net income to cash flow from operations generally. involve (1) adding the amount by which an expense exceeds the related cash expenditure for the period (for deprecia-. tion, the entire amount), (2) subtracting the amount by which a revenue exceeds the related cash receipt for the period.
Gas Furnaces: Cracked Heat Exchangers. The most common reason for a natural gas furnace to leak carbon monoxide is from a crack in the heat exchanger. The heat exchanger is the metal wall or tubing that is heated up when the burners are ignited.
Risk for carbon monoxide poisoning. Carbon monoxide is produced by the incomplete combustion of carbon-containing fuels. All combustion engines produce exhaust emissions that can contain harmful levels of carbon monoxide.In Washington State, the most common source of carbon monoxide poisoning is fuel-driven forklifts.isk for carbon monoxide poisoning. Carbon monoxide is produced by the incomplete combustion of carbon-containing fuels. All combustion engines produce exhaust emissions that can contain harmful levels of carbon monoxide.