guwahati the state government on thursday banned two local products for 30 days after it found they contained benzoic acid and fluoride beyond permissible limits the two products a sauce brand and packaged drinking water were found substandard after initial tests were conducted at the state health laboratory samples of the two products were then sent to the referral food laboratory in ghaziabad where it was declared that the two samples had excess amount of benzoic acid and fluoride manufactured by ms satez agro products private limited a sample of annapurna chilly sauce had a high amount of benzoic acid while samples of niyor packaged drinking water revealed the presence of excess fluoride excess use of the acid can lead to cancer liver and kidney ailmentsceo of annapurna group subir ghosh said the samples were collected almost nine months ago we are taking corrective measures now the officials are saying the samples were found containing excess benzoic acid which is used as a preservative we want to ensure the best quality for our customers though the standard level of fluoride in water is 1mglitre the packaged sample had 12 mg fluoride per litre the company is based at chandrapur on the outskirts of the city niyor group owner naba deka said this is outrageous i do not know what they are up to i have conducted tests of the water samples at nabl laboratories in chennai and kolkata and they were clean the same department had earlier collected four samples in april of the four samples three were found to be free and one had excess fluoride how can that be i want to challenge the food safety department i have all the reports to prove that the water is fluoridefree i may take legal action and even contemplating a press meet extreme or high content of fluoride in water can cause fluorosis an afflicted bone disease our food safety officers found the products to be suspicious we regularly collect samples and test them said lr nampui designated officer in food safety department kamrup metro district we will serve notices to the two companies now said champak pathak one of the two food safety officers who collected the samples