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.
To be eligible for unemployment, you must have had earnings during at least two of the four remaining work periods. It does not matter how much you earned or how many weeks you worked, but you need to have worked in at least two of these four periods to qualify.