Anything that can bring about a mutation in DNA is called a mutagen. Most mutagens fall into one of two categories: They are either a form of energy or a chemical. In addition to X rays, other forms of radiation that can cause mutagens include ultraviolet radiation, gamma rays, and ionizing radiation.
Amount of Time Worked. Pennsylvania employees must accrue at least 16 benefit weeks to receive unemployment compensation. Credit weeks are seven-day periods when workers receive at least $50 in earned income. These credit weeks do not have to be consecutive, but they must all occur within the state-designated base year.
During those 12 months, you earn a credit week for each week you earned $50 or more in employment wages. If you have less than 16 credit weeks, you're not eligible for Pennsylvania unemployment benefits. If you have 16 or 17 credit weeks, you can only collect up to 16 weeks of unemployment benefits. If you have more than 17 credit weeks, you can collect up to 26 weeks.