Cadmium in Shellfish Essay Example | Topics and Well Written Essays - 1500 words

Cadmium in Shellfish - Essay ExampleThe figures for both types of shellfish was well within the tolerable limits at 7 g/kg body weight for adults as per WHO and Australian guidelines. Nevertheless, since there was observed high example deviation among the scallop samples and there was also high deviation between the scallop and mussel cadmium/body-weight ratios it has been suggested that a future experiment be conducted during which the origin of the two types of shellfish be ascertained first to discipline that water pollution levels for both types of shellfish are the same. This shall ensure better conformation among the results. Correlation abridgment was not conducted because of the small number of samples. This too should be rectified in future experiments to ascertain how to each one type of shellfish responds to the same level of cadmium contamination in the water. Thus, the report finds that it is highly necessity to ascertain contamination in particular harvesting area s so that only those areas from where the bivalves have tolerable surface contents can be allowed harvestable. Other non-conforming areas should be declared out-of-limits. Only this can assure rubber eraser in supply.Cadmium is a heavy metal that is commonly plant in many types of imperfection and rocks. At birth, primates handle humans have no cadmium in their bodies but, with age, some humans induct the metal from their environment. The metal is a contaminant and classified as possibly carcinogenic beneath World Health Organisation (WHO) guidelines (CHEC, Cadmium, 2007). The metal is variously used in industrial applications and commonly found in everyday use objects like paints, plastics, some types of coatings, batteries and other electrical components (CHEC, Cadmium, 2007). The metal is also permit out into the atmosphere from burning fuels, especially fossil fuels. It is present in rubber tires and is emitted when tires burn. Also, many industries let out the metal int o the atmosphere trough flue gases (CHEC, Cadmium, 2007). Another significant source of cadmium contamination is tobacco smoke. Children are especially susceptible to the metal if they are near smokers (CHEC, Cadmium, 2007). Children also are untold prone to cadmium contamination because ration of the metal intake by body weight is much higher than in adults with larger body weight. Thus, more care has to be taken to preclude such(prenominal) contamination in children. Also, it is estimated that cadmium build-up in the body is faster in the early years than afterward if the individual is subjected to such contamination (WHO, Cadmium, Series 24, 1972). In this particular context it is noted that shellfish like mussels and scallops are skunk-dwellers and are non-mobile filter feeders (Moffett, 1993). In all likelihood, if the metal becomes evident in seawater, it settles down towards the bottom and the shellfish induct it into their systems. Since there is evidence that the metal is not easily evicted from organic tissues. Over quantify the metal may accrue in shellfish tissue and if these are ingested by humans toxic condition may result if the metal levels in the tissue are