Stop Radon
by MMConsulting
Say Stop to radon in your home!
Protect yourself, before it's too late!
Stage 1
Performing screening measurements
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Using CR-39 trace detectors, made of a special plastic material, by the passive method.
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Appropriate sampling of rooms requiring monitoring, according to legislative requirements.
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Placement of detectors in buildings at a distance of 1-1.5 meters from the ground.
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Exposure period: minimum 3 months for calculating the annual concentration, taking into account seasonal factors.
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Applying standardized questionnaires for location details, technical building data, and occupancy data.
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Detector processing and results analysis are carried out in our specialized laboratory, designated by CNCAN.
Stage 3
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The design and implementation of remediation measures is carried out in accordance with the remediation plan, respecting the established technical requirements.
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The remediation must not affect the mechanical strength and structural stability of the building.
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Known methods for radon remediation include: isolating radon entry pathways, increasing ventilation, and active soil depressurization (ASD).
Stage 2
Carrying out control measurements and developing the remediation plan
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The performance of control measurements and the development of a remediation plan is necessary in the event that the CARIA result is higher than the reference level, based on the bulletin issued by our laboratory designated by CNCAN.
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Control measurements are performed after the detection measurements.
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The stages include: field visit and visual inspection of the premises, analysis of technical documents, performance of measurements with specific devices, identification of transfer paths and sources of increase in radon concentration, development of recommendations for the design of corrective measures.
Stage 4
Performing radon concentration verification measurements (CARIA) after remediation
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Verification of the effectiveness of remedial measures is carried out in accordance with legislative requirements.
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Delivery of instructions for use and maintenance of remedial systems to users.
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Periodic verification of CARIA, at least once every ten years, and in the case of building envelopes, a verification is carried out after 6 months.
Levels and categories of remedial measures
Level 1
For existing buildings with
300 Bq/m³ < CARIA ≤ 500 Bq/m³
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Treatment/isolation of radon penetration paths from the ground around the building, insulation of cracks and gaps for installations in contact with the ground.
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Increasing natural ventilation in the lower parts of the building or installing overpressure ventilation systems.
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Installing soil depressurization systems, without replacing the floor in contact with the foundation ground.
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Design, dimensioning and construction of mechanical ventilation systems.
Level 2
For existing buildings with
500 Bq/m³ < CARIA ≤ 1000 Bq/m³
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Proiectarea, dimensionarea și realizarea unor sisteme de ventilare mecanică, în combinație cu izolarea tuturor fisurilor și golurilor de trecere ale instalațiilor în contact cu solul.
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Instalarea unor sisteme de depresurizare a terenului sub clădire, în combinație cu asigurarea etanșării tuturor fisurilor și golurilor de trecere ale instalațiilor în contact cu solul.
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Instalarea unor sisteme de depresurizare a solului, fără înlocuirea planșeului la contactul cu terenul de fundare, în combinație cu aplicarea membranei antiradon, care asigură etanșeitatea.
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Ventilarea primului etaj aflat în contact cu terenul de fundare etc.
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Alte măsuri aplicabile unui spațiu tehnic închis.
Level 3
When designing remedial measures in existing buildings with CARIA > 1000 Bq/m³
The measures provided for LEVEL II are implemented, with additional requirements:
1. Installation of under-slab depressurization systems with suction and exhaust components with the largest possible effective surface area.
2. Sizing and implementation of mechanical ventilation systems on the floor in direct contact with the foundation ground in overpressure regime.
What does the CARIA index mean?
The CARIA index (Concentration of Radon Activity in Indoor Air) is a measure of the concentration of radon in the air inside a building. This index expresses the amount of radioactive radon present in the indoor air and is expressed in Becquerel per cubic meter (Bq/m³).
CARIA index values indicate the level of radon exposure in a given location and are used to assess the risk associated with radon exposure inside buildings.