USGA YELLOW SAND
The YG3B-0514-2018 Sand from Aggritek International Inc. was evaluated on June 12, 2018, to determine if it meets USGA recommendations as described in the enclosed USGA guidelines for selecting a bunker sand. The condition of the sample as received was normal.
The Sand is a medium sand with 84.1% particles within the USGA recommended range of 1.0 to 0.25mm for a bunker sand. The USGA recommends a minimum of 65% particles within this range. Therefore, this Sand easily meets the USGA particle size recommendation for selecting a bunker sand.
The Sand has a minimal amount (#3%) of silt and clay at 0.9%, so crusting of the surface layer should not be a problem.
The Sand is mostly sub-angular in the very coarse and coarse sand fractions, sub-rounded in the medium and fine sand fractions, and medium sphericity in particle shape.
The Sand has a good slight off-white color.
The Sand has a penetrometer reading of 2.8 kg/cm2 which means it has a very low tendency to bury based on this fried-egg lie potential test.
The Sand is a silica sand and not a calcareous sand with a soil water pH of 6.0.
The Sand had a water permeability rate of 66.7 in/hr. when compacted by the USGA procedure ASTM F1815 to simulate a compacted golf green. This is a very adequate rate for a bunker sand. The USGA recommends a rate >20 in/hr. for a bunker sand.
Conclusion: According to USGA guidelines for selecting a bunker sand, this Sand is a very good bunker sand. This Sand is outstanding in the seven guidelines the USGA recommends for selecting a bunker sand (enclosed).