Electrosmoke and air quality measurement in a house in Sant Iscle de Vallalta (Barcelona)

Electrosmoke and air quality measurement in a house in Sant Iscle de Vallalta (Barcelona)

The reference values follow the SBM-2015 of the IEB-IBN, except in the case of VOCs that follow the Kaiterra recommendation.

 

WHAT HAVE WE FOUND?

Regarding the altern electric fields measured with the free potential method the readings were strong: 9,6 V/m in a bedroom due to an earthing in bad condition.

Regarding the alternanting magnetic fields the readings were weakly significant: 38 nT in a bedroom.

Regarding the electromagnetic waves, the readings were strong: 810 µW/m2 in a bedroom due to the wifi from the router in the very house.

Regarding the continuous electric fields the readings were extreme: 2.400 V in a bedroom due to a blanket made out of synthetic materials.

Regarding the continuous magnetic fields the readings were strong: 8,9 µT in a bedroom due to the bed metal structure.

Regarding the radioactivity the readings were insignificant: -12,8% increase in the rate in a bedroom.

Regarding the radon gas the readings were extreme: 206 Becquerels in the main bedroom due to the soil composition.

Regarding the indoor relative humidity measured for a full week, the readings were strongly significant: > 70%.

Regarding CO2 concentration in the air the readings have been very seldom strong: 1.400 ppm due to breathing during periods with no ventilation.

Regarding Formaldehid concentration in the air the readings have been extreme during short and very seldom moments: > 300 µg/m3 in the main bedroom.

Regarding VOCs concentration in the air the readings have been “malignant” according to Kaiterra table: >5500 ppb in the main bedroom.

 

WHAT SHOULD BE FOUND

Altern electric fields: readings should be below 1,5 V/m but the ideal would be below 0,3 V/m.

Altern magnetic fields: readings should be below 100 nT but the ideal would be below 20 nT.

Electromagnetic waves: readings should be below 10 µW/m2 but the ideal would be below 0,1 µW/m2.

Continuous electric fields: readings should be below 500 V but the ideal would be below 100 V.

Continuous magnetic fields: readings should be below a difference of 2 µT but the ideal would be below 1 µT.

Radioactivity: readings should be below a difference from the background reading of 70% but the ideal would be below 50%.

Radon gas: readings should be below 60 Becquerels but the ideal would be below 30 Becquerels.

Relative humidity: readings should be between 30 and 70% RH but the ideal would be between 40 and 60% RH.

CO2: readings should be below 1.000 ppm but the ideal would be below 600 ppm.

Formaldehyd: readings should be below 100 µg/m3 but the ideal would be below 50 µg/m3.

VOCs: readings should be below 660 ppb but the ideal would be below 220 ppb according to Kaiterra.

 

RECOMMENDED ACTIONS

Alternating electric fields: check the efficacy of the earthing by a professional.

Electromagnetic waves: disconnect wifi at least during resting hours.

Continuous electric fields: avoid the use of blanket during sleeping hours.

Continuous magnetic fields: replacing the bed base by an iron free one.

Radon: ventilate frequently.

CO2: sleep with the door open and if possible window open.

Formaldehyde: avoid using insecticides.

VOCs: avoid using insecticide.