For easy testing of soil, Raptor Supplies offers convenient to use instruments that provide reliableresults. There are pocket soil penetrometers for visual classification of soils with quickreading for OSHA compliance indicating uniformity, shear strength or unconfined shearstrength of the soil. Penetration cones are also available for grease testing. Raptor Supplies alsohas a range of soil pH testing kits with a soil color chart reading from 4-8 pH levels andduplex indicator on the spot plate to saturate the oil sample.