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The Norwegian Labour Inspection Authority
Laws and Regulations
Regulations
Regulations concerning Action and Limit values
Chapter 3. Vibrations
Section 3-2. Limit values

Regulations concerning action and limit values for physical and chemical agents in the working environment and classified biological agents (Regulations concerning Action and Limit values)

Section 1-1. Purpose

Section 1-2. Scope

Section 1-3. To whom the regulations apply

Section 1-4. Definitions – noise

Section 1-5. Definitions – vibrations

Section 1-6. Definitions – chemicals

Section 1-7. Definitions – biological agents

Section 1-8. Definitions – radiation

Section 1-9. Exemption

Section 2-1. Action values

Section 2-2. Limit values for noise

Section 3-1. Action values

Section 3-2. Limit values

Section 4-1. Limit values for ionising radiation

Section 4-2. Limit values for artificial optical radiation

Section 4-3. Action and limit values for electromagnetic fields

Section 5-1. Limit values for pollutants in the working atmosphere

Section 5-2. Biological limit values

Section 5-3. Requirements relating to sand and other blasting agents used in sand blasting

Section 5-4. Requirements relating to cement and cement-containing mixtures

Section 5-5. Requirements relating to breathing air from filling plant

Section 5-6. Prohibition on work with special chemicals

Section 6-1. List of classified biological agents (infection risk groups)

Section 7-1. Penal sanctions

Section 7-2. Fine for violations

Section 7-3. Entry into force

Annex 1: List of limit values for pollutants in the working atmosphere

Annex 2: List of classified biological agents (infection risk groups)

Table 3. 1. Exposure limit values for non-coherent optical radiation

Table 3. 2. S (λ) [dimensionless], 180 nm to 400 nm

Table 3. 3. B (λ), R (λ) [dimensionless], 380 nm to1400 nm

Table 4. 1 Radiation hazards

Table 4. 2 Exposure limit values for laser exposure to the eye – Short exposure duration < 10 s

Table 4. 3. Exposure limit values for laser exposure to the eye – Long exposure duration ≥ 10 s

Table 4. 4. Exposure limit values for laser exposure of skin

Table 4. 5 Applied correction factors and other calculation parameters

Table 4. 6 Correction for repetitive exposure

Table 5. 1. Lower action values for exposure to electric fields from 1 Hz to 300 GHz

Table 5. 2. Lower action limits for exposure to magnetic fields from 1 Hz to 300 GHz

Table 5. 3. Lower action values for exposure to contact current and induced current in limbs

Table 5. 4. Lower action values for exposure to static magnetic fields

Table 6. 1. Upper action values for exposure to electric fields from 1 Hz to 300 GHz

Table 6. 2. Upper action values for exposure to magnetic fields from 1 Hz to 300 GHz

Table 7. 1. Limit values for exposure to external magnetic flux density (B0) from 0 to 1 Hz

Table 7. 2. Limit values for health effects upon exposure to internal electric field strength (E) from 1 Hz to 10 MHz

Table 7. 3. Limit values for sensory effects upon exposure to internal electric field strength (E) from 1 to l 400 Hz

Table 7. 4. Limit values for health effects upon exposure to electromagnetic fields from 100 kHz to 6 GHz

Table 7. 5. Limit values for sensory effects upon exposure to electromagnetic fields from 0. 3 GHz to 6 GHz

Table 7. 6. Limit values for health effects upon exposure to electromagnetic field from 6 GHz to 300 GHz

Section 3-2. Limit values

Limit values for daily exposure (A(8)):

a.
for hand and arm vibration: 5.0 m/s²
b.
for whole-body vibration: 1.1 m/s²

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