1. AFNOR, 1992. NF X 31-100: qualité des sols—échantillonnage—Méthode de prélèvement d’échantillons de sol.
2. AFNOR, 1997a. NF M 60 780-3: measurement of radioactivity in the environment—bioindicators part 3: general guide for the storage and handling of samples.
3. AFNOR, 1997b. NF M60 780-4: measurement of radioactivity in the environment—bioindicators part 4: general guide for the preparation of samples.
4. AFNOR, 1998. NF M60 780-7: measurement of radioactivity in the environment—bioindicators part 7: general guide for the sampling of biological indicators from the marine environment.
5. AFNOR, 2000a. NF M60 780-2: measurement of radioactivity in the environment—bioindicators part 2: general guide on sampling techniques.