Crushed Rock [1]
A backfill material for underground tanks and piping. As the name implies, the material is rock that has been crushed to particle size ranging from 1/8 inch to 1/2 inch.
A backfill material for underground tanks and piping. As the name implies, the material is rock that has been crushed to particle size ranging from 1/8 inch to 1/2 inch.
Links
[1] https://testing.pei.org/wiki/crushed-rock