Soil samplers for retrieving samples of a variety of unconsolidated soil types including silt, sludge, sand, clay, peat which samples can then be tested for fertilizer and nutrient content of soil, composition, acidity and pH of soil, presence and levels of environmental contaminants including volatile organic compounds, presence and levels of mineral contaminants including include arsenic, barium, cadmium, copper, mercury, lead, and zinc, physical properties of soil and rock for engineering purposes; soil gas samplers for retrieving soil samples which can then be tested for gas content; surface and groundwater samplers, namely, bailers; geotechnical samplers for retrieving soil and rock samples from which geotechnical engineers or engineering geologists can obtain information on the physical properties of soil and rock for engineering purposes; and scientific probes in the nature of soil probes; tile probes for checking soil compaction; tile probes for locating buried and underground objects; hay and forage probes for retrieving vegetative substrates for nutrient analysis
Electrical and Scientific Apparatus