Radon Mitigation >> Radon Testing

Heat Recovery Ventilation (HRV) systems shall not be installed in rooms that contain friable asbestos. 14.8.4 In HRV installations, supply and exhaust ports in the interior shall be located a minimum of 12 feet apart. The exterior supply and exhaust ports shall be positioned to avoid blockage by snow or leaves Radon Testing and be a minimum of 10 feet apart. 

Contractors installing HRV systems shall verify that the incoming Radon Testing and outgoing airflow is balanced to ensure that the system does not create a negative pressure within the building. Contractors shall inform building owners that periodic filter replacement and inlet grill cleaning are necessary to maintain a balanced airflow. 

This information shall also be included in the documentation. 14.8.6 Both internal and external intake Radon Testing and exhaust vents in HRV systems shall be covered with wire mesh or screening to prevent entry of animals or debris or injury to occupants. 15.0 MATERIALS 15.1 All mitigation system electrical components shall be U.L. listed or of equivalent specifications. 

As a minimum, all plastic vent pipes in mitigation systems shall be made of Schedule 20 PVC, ABS or equivalent piping material. Schedule 40 piping or its equivalent should be used in garages and in other internal and external locations subject to weathering or physical damage. 15.3 Vent pipe fittings in a mitigation system shall be of the same material as the vent pipes. 

(See paragraph 14.3.7 for exception when installing vent fans, and paragraph  for exception when installing radon vent pipes in sump pit covers. Cleaning solvents and adhesives used to join plastic pipes Radon Testing and fittings shall be as recommended by manufacturers for use with the type of pipe material used in the mitigation system. 

When sealing cracks in slabs and other small openings around penetrations of the slab and foundation walls, caulks Radon Testing and sealants designed for such application shall be used. Urethane sealants are recommended because of their durability. 

When sealing holes for plumbing rough-in or other large openings in slabs and foundation walls that are below the ground surface, non-shrink mortar, grouts, expanding foam, Radon Testing or similar materials designed for such application shall be used. 15.7 Sump pit covers shall be made of durable plastic or other rigid material and designed to permit air-tight sealing. 

To permit easy removal for sump pump servicing, the cover shall be sealed using silicone or other non-permanent type caulking materials or an air-tight gasket. 15.8 Penetrations of sump covers to accommodate electrical wiring, water ejection pipes, Radon Testing or radon vent pipes shall be designed to permit air-tight sealing around penetrations, using caulk or grommets. 

Sump covers that permit observation of conditions in the sump pit are recommended. Plastic sheeting installed in crawlspaces as soil-gas retarders shall be a minimum of 6 mil (3 mil cross-laminated) polyethylene or equivalent flexible material. Heavier gauge sheeting should be used when crawlspaces are used for storage, Radon Testing or frequent entry is required for maintenance of utilities. 

Any wood used in attaching soil-gas retarder membranes to crawlspace walls or Radon Testing piers shall be pressure treated or naturally resistant to decay and termites. 16.0 MONITORS AND LABELING 16.1 All active soil depressurization and block wall depressurization radon mitigation systems shall include a mechanism to monitor system performance and warn of system failure. 

The mechanism shall be simple to read or interpret and be located where it is easily seen or heard by building occupants and protected from damage or Radon Testing destruction. Electrical radon mitigation system monitors (whether visual or audible) shall be installed on non-switched circuits and be designed to reset automatically when power is restored after service or power supply failure. Battery operated monitoring devices shall not be used unless they are equipped with a low-power warning feature.

Calculate Dehumidification For A Flooded Building

Run-around coils for enhanced dehumidification systems are not a new technology. They are well-described in texts from as long ago as 1939.1, 2, 3, 4 The psychrometric-chart analysis of run-around coils for precooling and reheating is identical to that for ordinary reheat (see sidebar) with one Dehumidification Calculate Dehumidification For A Flooded Building  read more..

Detecting Radon

Radon is a cancer-causing, radioactive gas.You can't see radon. And you can't smell it or taste it. But it may be a problem in your home. Radon is estimated to cause many thousands of deaths each year. That's because when you breathe air containing radon, Radon Mitigation Detecting Radon you can get lung cancer. In f  read more..

Radon

The EPA recommends that you should have a qualified radon mitigation contractor Radon Mitigation Radon your home because lowering the high radon gas levels requires a specific technical knowledge and a special set of skills. Without the proper tools and equipment or the technical knowledge, you might actually   read more..

Telltale Signs Of People Making Meth

This guidance is based on many other states’ intensive studies, technical guidance documents and pastexperiences with clandestine drug lab cleanups over the last several years including the states ofMinnesota, Tennessee, North Carolina, Colorado, Washington, Missouri Meth Lab Cleanup Telltale Signs Of People Making Meth and Indiana. The  read more..

How To Remove Smoke Damage From Furniture

Both ESPs and ionizers produce ozone as a by-product of the ion-generating technology they use.Another type of electronic air cleaner technology, photo catalytic oxidation (PCO) with ultra violet light, has recently entered the market, Smoke Damage How To Remove Smoke Damage From Furniture but is not very common yet. All of these electron  read more..

Fixing Your Leaking Hot Water Heater

Homeowner Damage Control -Homeowners can prevent losses and paperwork hassles by running interference on common claims.Prevent losses and paperwork hassles by running interference on these common claims:Burst washing-machine hose Slow leak around tub/shower grout Water Damage Fixing Your Leaking Hot Water Heater and edges Toilet-seal  read more..

How To Make A Landlord Provide The House Mold Free

This fact sheet pertains to environmental exposure to mold (fungi) and does not apply to an infection/tissue invasion with any type of fungal species.Page 1 of 6 Mold Growth Fungal spores are always present in the air, Mold Remediation How To Make A Landlord Provide The House Mold Free even if there is no visible growth Three factors are necessary for  read more..

How To Get The Water Out Of My Basement

Relocation – moving your house out of the flood hazard area – offers the greatest protection from flooding. It also can free you from anxiety about future floods and lower or even eliminate your insurance premiums. However, Basement Drying How To Get The Water Out Of My Basement relocation usually is the most expensive of the retrofittin  read more..

How To Remove A Fire Smoke Smell From Furniture

Guidance on protecting workers in offices and similar indoor workplaces from wildfire smoke has been developed by the California Division of Occupational Safety and Health (Cal/OSHA), in consultation with technical staff from several other California agencies. This document (attached as Appendi  read more..

Black Mold Exposure

Although the largest group of patients had diffuse pulmonary infiltrates, a significant fraction had focal pulmonary disease, meningitis, Mold Remediation Black Mold Exposure or other extrapulmonary disease. Six patients had only a positive serologic test with no other evidence of infection. Excluding the patients who ha  read more..