II. REQUIREMENTS AND CRITERIA FOR APPLYING THE DEFINITION
1.1. Requirements for geological and hydrological surveys
1.2. Requirements for physical, chemical and physico-chemical surveys
1.3. Criteria for microbiological analyses at source
1.4. Requirements for clinical and pharmacological analyses
1.4.1. . . . . . . . . . ....
1.4.2. . . . . . . . . . ....