Risk Classification Matrices - Viridor

Risk Classification Matrices For there to be an environmental liability, there must be a source something capable of causing pollution or harm, a receptor and a viable pathway between them, a pollutant linkage. If one of these elements is missing, there can be no significant risk. If all are present, then the magnitude of the risk is a function of the toxicity and mobility of the pollutant, the sensitivity of the receptor and the nature of the migration pathway. The potential risk is assessed based upon the severity of the potential consequence and the probability of it occurring. Following guidance provided in CIRIA document C552 (Contaminated land risk assessment. A Guide to Good Practice) a summary of the risk Classification process is presented below. Consequence of Risk Being Realised (based on C552 CIRIA, 2001). Consequence of risk being realised Classification Category Definition Examples Short-term (acute) risk to human High concentrations of cyanide health likely to result in significant Humans on the surface of an informal harm as defined by the Environment recreation area.

Risk Classification Matrices For there to be an environmental liability, there must be a source i.e. something capable of causing pollution or harm, a receptor and a viable pathway between them,

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