Stool Culture. Test Overview. A stool culture is a test on a stool sample to find germs (such as bacteria or a fungus) that can cause an infection. A sample of stool is added to a substance that promotes the growth of germs. If no germs grow, the culture is negative. If germs that can cause infection grow, the culture is positive.
color and is used for irrigation, water handling and other relatively low pressure jobs. Schedule 80 PVC is. usually dark gray in color (though it can come in other colors) and is primarily used in more heavyâduty. applications like industrial and institutional settings.
It's the white plastic pipe commonly used for plumbing and drainage. PVC stands for polyvinyl chloride, and itâs become a common replacement for metal piping. PVCâs strength, durability, easy installation, and low cost have made it one of the most widely used plastics in the world.chedule 80 just refers to the thickness of the PVC pipe, and you can have schedule 80 CPVC as well. CPVC differs from PVC in chemical makeup and in how it should be used. For instance, CPVC can withstand temperatures of up to 200 degrees F while PVC is best used for temperatures below about 140F. Hope that helps!