usga approved testing

Assessing the water retention, porosity and density of rootzone and soil

Percolation Rate / Saturated Hydraulic Conductivity
ASTM Method : F1815-11 Determines how quickly water moves through rootzone mixes and bunker sand
Percolation Rate, Densities & Porosities
ASTM Methods : D5550-06 (Particle Density) & F1815-11 (Percolation Rate, Bulk Density & Porosities)
USGA Test (Premixed Sample)
ASTM Methods : D4972-01 Re-approved 2007 (pH), D5550-06 (Particle Density), F1632-03 Re-approved 2010 (Particle Size Distribution), F1647-11a (Organic Matter) & F1815-11 (Saturated Hydraulic Conductivity, Water Retention, Porosity & Bulk Density) A complete physical analysis of the rootzone mix – compared to the 2004 USGA Recommendations
USGA Test (Best Mix Ratio)
ASTM Methods : D4972-01 Re-approved 2007 (pH), D5550-06 (Particle Density), F1632-03 Re-approved 2010 (Particle Size Distribution), F1647-11a (Organic Matter) & F1815-11 (Saturated Hydraulic Conductivity, Water Retention, Porosity & Bulk Density) A complete physical analysis of 3 laboratory-formulated and prepared rootzone mixes to establish the optimum ratio of components in the mix – compared to the 2004 USGA Recommendations
Water Release Curve
ASTM Methods : D5550-06 (Particle Density) & F1815-11 (Water Retention, Porosity & Bulk Density) Total, air-filled and water-filled porosity and water retention tested at 6 tensions (depths) are calculated. Can be used to determine the minimum depth of fairway capping sand

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