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VSI Environmental Web Site - Home of Illinois largest radon reduction contractors.
Active Soil Depressurization. The negative ... soil gas flow into the house. Radon and other soil gases are drawn indoors primarily by the lower air pressure in the house compared to that of the soil. To reduce radon-bearing soil gas from entering the house, a small fan (with associated piping) can be used to withdraw radon directly from the soil ...
www.radongas.com

Pollution Control Systems, Inc. :: Delivery Instructions
The Project Engineer should check the foundation slab before the treatment system arrives. Where floatation conditions exist, as in fluid soil, a foundation slab of adequate size and weight should be supplied to equal the bearing soil pressures. Sufficient anchor bolts and/or rods ...
pollutioncontrolsystem.com

Forrester Environmental Services - Showcase Remedial Projects
Construction Sites - MADEP RCRA Sites, Boston and Cambridge, MA: Pb bearing soil/debris foundation excavation. In-situ stabilization of Pb bearing soils and off-site disposal, 8,000 tons; Scrap Yard - ... , NY Sites: Water tower Pb paint contaminated soil in-situ stabilization, 500 tons; Army Depot - Hawthorne, NV: In-situ surficial remediation of Pb bearing soil, 15,000 tons; Contact us to ...
fesi.net

Gold Ants
Most important, the explorers say they have ... , he said, a landslide had exposed the darker, gold-bearing soil that was three feet below the surface. That was the same soil the marmots brought up from under the sand. Specialists have ...
www.marmotburrow.ucla.edu

Gold Ants from CNN-Interactive
EST (1145 GMT) From Correspondent Peter Humi PARIS (CNN) -- An ancient tale of gold-bearing wildlife in the Asian subcontinent has recently been revived -- and perhaps validated -- by a French ... time of Herodotus, the Greek historian, who wrote of creatures that dug up rich, gold bearing soil. The legend attracted dozens of treasure seekers over the centuries until finally Herodotus' story was ...
www.marmotburrow.ucla.edu More from this site

Freshwater Website: Groundwater (What is groundwater?)
It is found underground in the spaces between particles of rock and soil, or in crevices and cracks in rock. The water filling these openings is usually ... smaller, and therefore hold considerably smaller quantities of water. Groundwater flows slowly through water-bearing formations (aquifers) at different rates. In some places, where groundwater has dissolved limestone to ...
www.ec.gc.ca

Restoration Round-up (Do or Die)
Pine (this habitat's 'keystone species') that are coming to the end of their seed-bearing life-span. Glen Affric, in the North-central Highlands, harbours one of the core fragments ... drainage operations are now being rehabilitated, "encouraging vegetation to spread over... track surfaces by replacing soil and plant material... and blocking and infilling drainage channels to restore water tables in ...
www.eco-action.org

Genetically Engineered Crops - A Threat to Soil Fertility?
The best known example is the direct demonstration of transfer between the soil bacterium, Agrobacterium and plants. In a process bearing a strong resemblance to conjugation between bacteria, the tumour (T) ... 290. Nannipieri, P., Grego, S., & Ceccanti, B. (1990). Ecological significance of the biological activity in soil. Soil Biochemistry 6: 293-355. Naseby D.C. and Lynch J.M. (1998). Impact of ...
psrast.org

Slurry wall construction, jet grouting, soil mixing, diaphragm wall, groundwater n environmental remediation services by Geotechnical Company
Whether the goal is to improve the bearing capacity of soft soils, provide structural support, reduce permeability, or to treat hazardous waste, soil mixing is a valuable technique within ... Oxidation Permeable Reactive Barriers Biopolymer Trenches Slurry Walls Diaphragm Wall Soil Mixing Jet Grouting Sheet Piles Soil Stabilization Deep Soil Mixing Auger Cast Piles Anchors & Tiebacks Secant Piles Deep ...
www.recon-net.com

Slurry wall construction, jet grouting, soil mixing, diaphragm wall, groundwater n environmental remediation services by Geotechnical Company
Trenches Slurry Walls Diaphragm Wall Soil Mixing Jet Grouting Sheet Piles Soil Stabilization Deep Soil Mixing Auger Cast Piles Anchors & Tiebacks Secant Piles Deep Foundations Soil Stabilization Soil Stabilization has uses in ... Army Corps of Engineers. The end result was the site soils consisted of low bearing capacity silts and clays with strengths from 0 to 3 psi unconfined compressive strengths ...
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