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) .
How long to keep your records. As a general rule, you should keep your records for a minimum of six years. However, if you are: 1  an employer, you need to keep Pay As You Earn (PAYE) records for 3 years (in addition to your current year). an employer, you need to keep Pay As You Earn (PAYE) records for 3 years (in addition to your current year). 2  a contractor in the Construction Industry Scheme (CIS), you need to keep your CIS records for 3 years (in addition to your current year).