groc2011 tlvzdr ang

Limit values (LV) for the protection of health

Pollutant Averaging
interval Assessment threshold [μg.m^-3] Limit value
[μg.m^-3]
LV

Lower
LAT Upper
UAT

SO₂ 1 hour � � 350
max. 24x/year

24 hours 50
max. 3x/year 75
max. 3x/year 125
max. 3x/year

PM₁₀ 24 hours 25
max. 35/year 35
max. 35x/year 50
max. 35x/year

calendar year 20 28 40

NO₂ 1 hour 100
max. 18x/year 140
max. 18x/year 200
max. 18x/year

calendar year 26 32 40

Pb calendar year 0.25 0.35 0.5

CO max. daily 8-h running average 5 000 7 000 10 000

Benzene calendar year 2 3.5 5

Pollutant	Averaging interval	Assessment threshold [μg.m^-3]		Limit value [μg.m^-3] LV
Pollutant	Averaging interval	Lower LAT	Upper UAT	Limit value [μg.m^-3] LV
SO₂	1 hour	�	�	350 max. 24x/year
SO₂	24 hours	50 max. 3x/year	75 max. 3x/year	125 max. 3x/year
PM₁₀	24 hours	25 max. 35/year	35 max. 35x/year	50 max. 35x/year
PM₁₀	calendar year	20	28	40
NO₂	1 hour	100 max. 18x/year	140 max. 18x/year	200 max. 18x/year
NO₂	calendar year	26	32	40
Pb	calendar year	0.25	0.35	0.5
CO	max. daily 8-h running average	5 000	7 000	10 000
Benzene	calendar year	2	3.5	5