9. The activities referred to in paragraph 1 and subparagraph a of paragraph 3 of section 3 and in paragraph 1 of section 4 related to the establishment or enlargement of a sand pit, including its subsequent operation, are eligible for a declaration of compliance where the following conditions are met:1° the sand pit is established or enlarged at more than 150 m from a dwelling or public institution;
2° the total area of the sand pit does not exceed 10 ha;
3° the quantity of non-consolidated surface mineral substances extracted annually does not exceed 100,000 metric tons;
4° extracted non-consolidated surface mineral substances are not washed in the sand pit;
5° the maximum depth of the sand pit is above the water table.