Kolkata: The Kolkata Municipal Corporation (KMC) on Monday collected as many as 13 fish samples from five markets in the city, to check for presence of formalin in them. There have been allegations of presence of formalin in fish imported from Andhra Pradesh.”We have collected 9 surveillance samples and 4 regulatory samples from some leading fish markets. We will conduct tests to find out whether there is presence of formalin. The report is expected to be available in two to three days,” Member, Mayor-in-Council (Health) Atin Ghosh said. Also Read – 2 Group D staffers held for ‘assaulting’ minorsIn case of regulatory samples that have been collected by undergoing certain formalities as per rules, the civic body can initiate cases if they find any irregularities in the samples.Among these samples, two have been collected from Manicktala Market, one from Poura Parna Bithika Market- Behala and another from S N Ray Market in Behala. Among the nine surveillance samples, six were collected from Entally Market and three from New Market.Formalin is a preservative that can lead to cancer if consumed over a period of time. The chemical can also cause nausea and other ailments in the short term. Also Read – Naka checking to be stricter to rein in speed demonsIt may be mentioned that more than half the fish consumed in the city is procured from Andhra Pradesh.Officials of the state Fisheries department have been asked to visit wholesale markets across the city from Saturday, to collect samples that will be checked.According to the state Fisheries department stats, the city alone consumes around 235 tonnes of fish every day. Fish from Andhra Pradesh – mostly Rohu and Katla – accounts for around 135 tonnes of the total consumption. Of around 1.73 lakh tonnes of fish that Bengal imports from other states annually, Andhra accounts for around 1 lakh tonnes.The Assam government had already banned sale of fish from Andhra Pradesh, after lab tests detected formalin in some samples.”Banning of fish from Andhra will be difficult for Bengal. If we stop import, the deficit cannot be met by local production,” an official in the state Fisheries departmentsaid.