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If the gas wasn't ignited while you were there, and you didn't pass out from lack of oxygen... none (no side effects). Natural gas is mainly methane gas with a little odor added so that you'll know somthing is wrong if you smell it. By itself, methane isn't toxic unless it replaces all of the oxygen in the air. It becomes a problem if it ignites.
What else can I help you with?
What are side affects of halon systems?
To date (2013) there are no known long term effects associated with halon exposure.
The affects of short term and long term?
its bad
What are side affects of caffeine long term?
Greater level of happiness. Attractive Increased. Qualitatively superior lifestyle to those who do not drink caffeine.
Can eggplant cause anemia?
Yes, it happens by a chemical compound in side of the plant that directly affects the brain, causing long term anemia.
What are some of the potential side affects of long term contact lens use?
The biggest side effect is a decrease in the corneal thickness leading to irregularities and generally poorer eyesight.
What is the medical term meaning to leak outside of a blood vessel?
Extravasate means to leak out side of a blood vessel.
What short and long term effects can arthritis have on the body?
short term affects pain long term effect crippling,
What are the long term affects of AIDS?
Illness then death
What are the long term affects for the Christchurch earthquake?
love
What was the long term impact of Vimy Ridge?
the long term impact to the war of vimy ridge. the long term affects were greatly abandoned upon lord gefferson the 3rd. The long term affects that were related to Canad was our economy. Our economy dropped hundreds of dollars due to our fallen soldiers.
What is the long term affects of typhus?
nausea, headaches and death
What is a long-term affects of alcohol on the nervous system?
Swaft
