ASTM C33 Sand
- Meets the Wisconsin DNR’s ASTM C33 specification for use in bioretention basins
- Precision-fractionated, washed and dried silica sand
- Used in Engineered Soil blend and sand storage layer

Product Description
- Meets the Wisconsin DNR’s ASTM C33 specification for use in bioretention basins
- Precision-fractionated, washed and dried silica sand
- Used in Engineered Soil blend and sand storage layer