Dry density of soil for Construction of Swimming Pool

Hey, am constructing a private swimming pool, Its quiet bigger. So i did a compaction soil test. Lab test: Dry density of my compaction soil is 1.92Mg/m3 Site test: Shows 80% to 90% of density by radiation scanning process. Laboratory said minimum 95% required to pass the compaction test. Please note this process and required percentage is to build a building. But mine is swimming pool, not as same load as a building which comprise huge columns and beams. My question is, how i can prove this density is enough to carry swimming pool load? and also i want to know what is the dry density of soil required to carry 100N?