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.
Low carbon monoxide levels in the blood stream (COHb) and cellular tissues are normal and necessary for proper cellular functioning. However there is not uniform agreement as to what normal levels in the blood stream are within different environments. Any carbon monoxide levels above normal is considered dangerous.