13) ولا تخلو الممارسة من حالات للسحب الجزئي وإن كان عددها ليس كبيراً للغاية - لكن حالات سحب التحفظات ليست كثيرة جدا بوجه عام.
He noted that international efforts to manage groundwaters were taking place in different forums. The Special Rapporteur pointed out that although sharing the same atmospheric source, confined groundwaters were distinct from surface waters in several respects.