The maximum length of time you can claim unemployment benefits is 26 weeks. If the unemployment rate is 5% or lower, you can claim benefits for up to 12 weeks. For every .5% increase in the unemployment rate above 5%, a week is added to the duration of benefits.
1 Non-smokers living away from urban areas have normal carbon monoxide levels in the blood stream of 0.4% to 1.0%.  Carbon monoxide levels of 1% to 5% may be considered normal if a person lives in a busy urban or industrial setting.
Carbon Monoxide Poisoning Causes. Carbon monoxide is formed when organic compounds burn. The most common sources are motor vehicle exhaust, smoke from fires, engine fumes, and nonelectric heaters. Carbon monoxide poisoning is often associated with malfunctioning or obstructed exhaust systems and with suicide attempts.he most common sources are motor vehicle exhaust, smoke from fires, engine fumes, and nonelectric heaters. Carbon monoxide poisoning is often associated with malfunctioning or obstructed exhaust systems and with suicide attempts.