96.92 kg for OGD (21.85 g per OGD); 35.30 kg for sigmoidoscopy (15.68 g per sigmoidoscopy); and 159.38 kg for colonoscopy (50.84 g per colonoscopy). In 1 year, the total plastic generated from sterile water bottles alone for these procedures was 291.6 kg. The total cost for sterile water was £3588.80 (£1192.80 for OGD, £434.40 for sigmoidoscopy and £1961.60 for colonoscopy). Conclusion We conclude that significantly large volumes of sterile water and single use plastic are being used in

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... y. This practice is not only costly but also has a detrimental impact on the environment due to the large amount of plastic generated. Reduction of single use plastic needs to be a priority for a greener and more sustainable practice of endoscopy.