Colon bleeding. Colon bleeding: Introduction. Colon bleeding: Injury or inflammation of the colon can lead to bleeding of the large intestine. See detailed information below for a list of 8 causes of Colon bleeding, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Colon bleeding: Causes | Symptom Checker Â».
Some regulations-COSHH and those for lead, asbestos, ionising radiations and compressed air-state that records should be retained for much longer (up to 50 years) as ill health effects might not emerge until a long time after exposure.ealth records should not contain personal medical information. These must be kept separately and in confidence by the occupational health professional (See below for advice on medical in confidence records) .
EEOC Regulations require that employers keep all personnel or employment records for  one year. If an employee is involuntarily terminated, his/her personnel records must be retained for one year from the date of termination. Under ADEA recordkeeping requirements, employers must also keep all payroll records for three years. Additionally, employers must keep on file any employee benefit plan (such as pension and insurance plans) and any written seniority or merit system for the full period the plan or system is in effect and for at least one year after its termination.