Abstracts ASN Report 2019

TABLE 7 Example of radiological monitoring of the environment around BNIs ENVIRONMENT MONITORED OR TYPE I ژ Xz³¨0!ÁXz CATTENOM NUCLEAR POWER PLANT ٨«0³nÈÁXz א ׎׏ ٳ!(ٳג ׎ ג ׏ ד I ׏ ה h zÈ «ç א ׎׏ ג ٩ « z¨n zÁ Á n R JÈ0 ٨ ³z «0³nÈÁXz א ׎׏ ٳ!(ٳד ׎ דבד I ( אא 0!0x 0« א ׎׏ ד ٩ Air at ground level • 4 stations continuously sampling atmospheric dust on a fixed filter, with daily measurements Ȓǔ ژ Ɏǝƺ ژ ɎȒɎƏǼ ʹ activity ( ʹ G) ҄ ʺ spectrometry if ʹ G > 2 mBq/m 3 ҄ Monthly ʺ spectrometry on grouped filters per station • 1 continuous sampling station downwind of the prevailing winds, with weekly measurement of atmospheric 3 H • 5 stations continuously sampling atmospheric dust on a fixed filter, with daily measurements of the total ʸ activity ( ʸ G) and total ʹ activity ( ʹ G) ҄ ʺ spectrometry if ʸ G or ʹ G > 1 mBq/m 3 ҄ Monthly ʸ (Pu) spectrometry on grouped filters per station • 5 continuous sampling stations for halogens on specific adsorbent with weekly ʺ spectrometry to measure iodines • 5 continuous sampling stations with weekly measurement of atmospheric 3 H • 5 continuous sampling stations with bi-monthly measurement of atmospheric 14 C • 5 continuous measurement stations for 85 Kr activity in the air Ambient ʺ radiation • Continuous measurement with recording: ҄ 4 detectors at 1 km ҄ 10 detectors on the site boundary ҄ 4 detectors at 5 km • 5 detectors with continuous measurement and recording • 11 detectors with continuous measurement at the site fencing Rain • 1 continuous sampling station under the prevailing winds with bi-monthly measurement of ʹ G and 3 H ҄ 2 continuous sampling stations including one under the prevailing winds with weekly measurement of ʸ G, ʹ G and 3 H ҄ ʺ spectrometry if significant ʸ G or ʹ G Liquid discharge receiving environment • Sampling from the river upstream of the discharge point and in the goodmixing area for each discharge ҄ Measurement of ʹ G, potassium (K)* and 3 H • Continuous sampling in the river at the good mixing point ҄ 3 Hmeasurement (average daily mixture) • Annual sampling in aquatic sediments, fauna and flora upstream and downstream of the discharge point with ʺ spectrometry, free 3 Hmeasurement, and, on fish, organically bound 14 C and 3 H • Periodic sampling from a stream and in the dam adjoining the site withmeasurements of ʹ G, K, 3 H • Daily seawater samples from 2 points on the coast, with daily measurements ( ʺ ژ ɀȵƺƬɎȸȒȅƺɎȸɵً 3 H) at one of these points and for each of the 2 points, ʸ and ʺ spectrometry and ʹ G, K, 3 H and 90 Sr measurements • Quarterly seawater samples at 3 points offshore with ʺ spectrometry and ʹ G, K, 3 Hmeasurements • Quarterly samples of beach sand, seaweed and limpets at 13 points with ʺ spectrometry + 14 Cmeasurements and ʸ spectrometry for the seaweed and limpets at 6 points • Sampling of fish, crustaceans, shellfish andmolluscs in 3 coastal zones of the Cotentin with ʸ and ʺ spectrometry and 14 Cmeasurement • Quarterly sampling of offshore marine sediments at 8 points with ʸ and ʺ spectrometry and 90 ³ȸ ژ ȅƺƏɀɖȸƺȅƺȇɎ • Weekly to six-monthly samples of water from ׏ ژח ɀɎȸƺƏȅɀ ƏȸȒɖȇƳ Ɏǝƺ ɀǣɎƺً ɯǣɎǝ ʸ G, ʹ G, K and 3 Hmeasurements • Quarterly sampling of sediments ǔȸȒȅ Ɏǝƺ ژג ȅƏǣȇ ɀɎȸƺƏȅɀ ƏƳǴƏƬƺȇɎ ɎȒ Ɏǝƺ ɀǣɎƺً with ʺ and ʸ ژ ɀȵƺƬɎȸȒȅƺɎȸɵ • Quarterly samples of aquatic plants in 3 streams in the vicinity of the site with ʺ spectrometry and 3 Hmeasurement Groundwater • Monthly sampling at 4 points, bi-monthly ƏɎ ׏ ژ ȵȒǣȇɎ ƏȇƳ ȷɖƏȸɎƺȸǼɵ ƏɎ ג ȵȒǣȇɎɀ ɯǣɎǝ ʹ g, K and 3 R ژ ȅƺƏɀɖȸƺȅƺȇɎ • 5 sampling points (monthly check) with ʸ G, ʹ G, K and 3 Hmeasurement Water for consumption • Annual sampling of water intended for human consumption, with ʹ G, K and 3 Hmeasurements • Periodic sampling of water intended for human consumption at 15 points, with ʸ G, ʹ G, K and 3 Hmeasurements Soil • 1 annual sample of topsoil with ʺ spectrometry • Quarterly samples at 7 points with ʺ spectrometry and 14 Cmeasurement Vegetation • 2 grass sampling points, including one under the prevailing winds, monthly ʺ spectrometry and quarterly 14 C and Cmeasurements • Annual campaign for the main agricultural crops, with ʺ spectrometry, 3 H and 14 Cmeasurements • Monthly grass sampling at 5 points and quarterly at 5 other points with ʺ spectrometry and 3 H and 14 Cmeasurements, ҄ Annual ʸ spectrometry at each point • Annual campaign for the main agricultural crops, with ʸ and ʺ spectrometry, 3 H, 14 C and 90 Sr measurements Milk • 2 sampling points, situated 0 to 10 km from the facility, including one under the prevailing winds, withmonthly ʺ spectrometry, quarterly 14 Cmeasurement and annual 90 Sr and 3 Hmeasurement • 5 sampling points (monthly check) with ʺ spectrometry, K, 3 H, 14 C and 90 Sr measurement ʸ G = ʸ total; ʹ G = ʹ total * Measurements of total concentration of potassium and by spectrometry for 40K. 158 ASN Report on the state of nuclear safety and radiation protection in France in 2019 ׎ ٲ ב REGULATION OF NUCLEAR ACTIVITIES AND EXPOSURE TO IONISING RADIATION