This is a summary of a comprehensive and detailed standard. For consultations, each of the items is assessed as no concern/ low concern/ high concern/ extreme concern. Below, you find the beginning of the low-concern range.

 Electric A/C Fields (low frequency)

These fields are measured by their Field Strength (V/m) and by the Body Voltage they cause in the patient. 

Causes: A/C voltage in wires, installations, appliances, walls, ....

Exposure limit for sleeping places, potential free:  0.3 V/m 

Magnetic A/C Fields (low frequency)

Measured in nT (Nanotesla) magnetic flow density.

Causes:  Alternating current in cabling, installations, appliances, power lines, ...

Exposure limit for sleeping places:  20 nT 

Electromagnetic Waves (high frequency)

Measured as Field Strength (mV/m),

Radiation Density (microW/m2)

Causes:  Transmitters, radio, TV, military, mobile phones, radar, ...

Exposure limit for sleeping places: 0.1 microW/m2. 

Electromagnetic Waves (high frequency, microW/m2)

          No risk             low risk              high risk                 extreme risk

           < 0.1                0.1-10               11-1000                     >1000

Electrostatic Fields

Measuring of the surface voltage (V) of electrostatically chargeable surfaces.

Causes:  Synthetic carpets, curtains, furniture, ...

Exposure limit for sleeping places:  100 V 

Magnetostatic Fields

Measuring the deviation of the compass needle in degree.

Causes:  Metal in beds, mattresses, furniture, buildings,

Exposure limit for sleeping places:  2 degrees, or less than 1 micro-tesla

Toxins and Gases (atmospheric pollutants)

Solvents ( VOC, volatile organic compounds) are determined by sampling.

Causes:  Paints, glues, synthetic materials, particle board, building materials, furniture, ...

Exposure limit for sleeping places:  E.g. Formaldehyde 0.02 ppm; sum of all: 50 microgram/m3

Non-volatile compounds are determined by sampling.

Causes:  Pesticides, fungicides, PCP, DDT, Lindane, Pyrethroids, Dichlorvos, ...

Exposure limit for sleeping places: E.g. PCP in dust, 0.5 mg/kg 

Fibres, Particles, Allergens

These particles are determined by sampling, e.g. Asbestos, mineral fibers, house dust, mite excrement, pollen, ....

Causes:  Building materials, insulation, air conditioning, heating, environment, ....

Exposure limit for sleeping places: E.g. asbestos, 20 fibres/m3. 

Bacteria, Yeasts, Moulds

These organisms are determined by the number of colonies in samples taken from the indoor atmosphere, surfaces, dust, materials, liquids, ...

Causes:  Building and insulation materials, water damage, dampness, hygiene, ...

Exposure limit for sleeping places:  E.g. yeast and moulds, 100/m3.