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Histoplasma, the fungus that causes histoplasmosis, lives throughout the world, but it’s most common in North America and Central America. In the United States, Histoplasma mainly lives in soil in the central and eastern states, particularly areas around the Ohio and Mississippi River Valleys,1 but it can likely live in other parts of the U.S. as well.2 The fungus also lives in parts of Central and South America,3 Africa,4 Asia,5 and Australia.6Histoplasma grows best in soil that contains bird or bat droppings. Bats can get histoplasmosis and spread the fungus in their droppings.7This map shows the approximate areas (called “endemic areas”) where Histoplasma is known to live or is suspected to live in the U.S. Much of what’s known about where the fungus lives in the U.S. is based on studies performed in the late 1940s and early 1950s.1Histoplasma spores circulate in the air after contaminated soil is disturbed. The spores are too small to see without a microscope. When people breathe in the spores, they are at risk for developing histoplasmosis. After the spores enter the lungs, the person’s body temperature allows the spores to transform into yeast. The yeast can then travel to lymph nodes and can spread to other parts of the body through the bloodstream.Click here for the PDF version of image for printing [PDF – 1 page].No, in this situation, testing the environment for Histoplasma isn’t likely to be useful because the fungus is thought to be common in the environment in certain areas. A soil sample that tests positive for Histoplasma doesn’t necessarily mean that it’s a source of infection, and a sample that tests negative doesn’t necessarily mean that the fungus isn’t there. Also, there are no commercially-available tests to detect Histoplasma in the environment. Testing environmental samples for Histoplasma is currently only done for scientific research. If there are bird or bat droppings near your home, you should have it cleaned up, if possible. If it’s not possible to clean up, try not to disturb it.
Concrete Testing Equipment | Asphalt Testing Equipment | Soil Testing Equipment | Aggregate Testing Equipment | Cement Testing Equipment | General Laboratory EquipmentDescriptionKey FeaturesModels available AccessoriesDatasheet The One-dimensional Consolidation test is used to determine the consolidation characteristics of soils of low permeability.The consolidation is rigidly constructed to ensure minimum frame distortion. The frame is designed to load the specimen through a yoke assembly and one of three alternative beam ratios as 9:1 – 10:1 and 11:1. The...The One-dimensional Consolidation test is used to determine the consolidation characteristics of soils of low permeability.The consolidation is rigidly constructed to ensure minimum frame distortion. The frame is designed to load the specimen through a yoke assembly and one of three alternative beam ratios as 9:1 – 10:1 and 11:1. The beam is fitted with a counter balance weight and beam support check. The cell platform will accept the complete range Test International consolidation cells and is fitted with a central spigot to ensure accurate centering of the cell under the loading yoke.The fixed ring consolidation cells are manufactured from corrosion-resistant materials and conform to the requirements of the relevant standards. An integral water reservoir is incorporated in the cell which allows the specimen to be inundated with water when required. All cells are supplied complete with upper and lower porous disc, pressure pad and cutting (specimen) ring.Consolidation cell, dial gauge and weights have to be ordered separately.Accessories are not included in the price of the main device and may be purchased separately if required.Your Name* Your Email* Telephone* Company* Country* Description Dial Gauge 10mm x...Description Dial Gauge 12mm x 0.001mm...Description Floor-mounting...Description Set of weights (6x10 kg, 2x5 kg, 3x2...View QuotesSubmitDesigned for