What acid is most commonly present in groundwater?
carbonic acid
What are four common sources of groundwater pollution?
Potential Sources of Groundwater Contamination
- Storage Tanks. May contain gasoline, oil, chemicals, or other types of liquids and they can either be above or below ground.
- Septic Systems.
- Uncontrolled Hazardous Waste.
- Landfills.
- Chemicals and Road Salts.
- Atmospheric Contaminants.
What are the main sources of ground water pollution?
Causes of Groundwater Pollution
- Natural Sources. Naturally occurring substances found in the soils and rocks can be dissolved in water causing contamination.
- Septic Systems.
- Hazardous Waste Disposal.
- Petroleum Products.
- Solid Waste.
- Surface impoundments.
- Agricultural Chemicals.
- Injection wells.
What can I put under my house to absorb moisture?
Make sure the crawlspace has plenty of ventilation. Fill in any low spots in the crawlspace with sand. Cover the ground under the entire crawlspace with a layer of 6 mil or thicker plastic. Put a layer of sand on top of the plastic to hold the plastic in place and absorb any excess moisture.
What kills mold under house?
Wash every surface under the house with a bleach solution made of 1 part bleach to 4 parts cold water. Use a spray bottle to saturate wood and other porous surfaces, then rinse. Allow to dry thoroughly before replacing insulation.
How do I dry wet dirt under my house?
A wet crawl space could take a total of eight to 10 hours to dry. Warm, moving air picks up moisture more readily. To speed up the drying process, place a source of low heat, such as a light bulb, inside the crawl space and position one or more electric fans where they’ll blow air across damp surfaces.
Should I put gravel around my foundation?
Gravel is a very important material for gardeners, landscapers and construction workers. It can be used to create an effective water barrier around foundations and be an attractive addition to your garden.
Should you close the vents under your house?
These vents allow outside air to circulate under the floor in summer to prevent the moisture buildup that encourages mildew and rot. In winter, when the air is drier, the vents are closed to reduce the chance that the pipes in the crawl space might freeze.
What are the vents on the side of my house?
Eave vent. Eave vents are typically circular-shaped vents are commonly added to a house to improve attic ventilation. They sit under the eaves, between the rafters, and run along two sides of the house.
Should I cover crawl space vents in winter?
Because crawl space vents offer no value to a home, it’s best to cover them up. CleanSpace provides a vent cover that attaches mechanically to form an airtight bond. Seal the crawl space. Installing a vapor barrier will entirely seal and encapsulate your crawl space.
Should floor joists in crawl space be insulated?
If the crawl space is ventilated, which is ideal because it aids in the elimination of moisture, then fiberglass insulation can be easily installed under the subfloor between the floor joists. If your crawl space isn’t ventilated, insulate the walls of the crawl space rather than the subfloor of the room above.
What is the best insulation to use in a crawl space?
foam insulation board
What is the best way to insulate a crawl space with a dirt floor?
Insulating Unventilated Crawl Spaces Maximize the protection of your crawl space by installing a vapor barrier (made out of polyurethane for best results) over the dirt floor and covering it with sand.
How do you insulate a crawl space with a dirt floor?
To insulate the crawl space, I would use a closed cell, two-pound (907-gram) spray foam because it will act as both your vapour barrier and insulation. You could also use batt insulation, but don’t forget that you will also need to install a vapour barrier on the warm side of the insulation to keep the moisture out.