groc2006 tab218 ang

Tab. II.1.8 Percentage of valid data from the stations with manual measurement, 2006

	ČHMI	FP	MVM	VÚLHM	ZÚ	ZÚ Kolín
BaP	24/23 95.8 %	–	–	–	12/10 83.3 %	–
BZN	12/8 66.7 %	–	–	–	8/8 100 %	–
NO	–	–	–	–	9/8 88.9 %	–
NO₂	42/42 100 %	–	–	–	25/16 64 %	3/3 100 %
NO_x	–	–	–	–	17/15 88.3 %	–
PM₁₀	66/57 86.4 %	–	1/1 100 %	–	26/13 50 %	3/3 100 %
PM_2.5	15/10 66.7 %	–	–	–	–	–
O₃	–	–	–	–	7/5 71.4 %	–
CO	–	–	–	–	2/1 50 %	–
NO₃	1/1 100 %	–	–	–	–	–
NH₃	–	–	–	–	1/1 100 %	–
HNO₃	1/1 100 %	–	–	–	–	–
SO₂	47/42 89.4 %	1/0 0 %	–	6/0 0 %	19/10 52.6 %	3/3 100 %
SO₄	4/4 100 %	–	–	–	–	–
SNH₄	3/3 100 %	–	–	–	–	–
SNO₃	3/3 100 %	–	–	–	–	–
CS₂	–	–	–	–	2/2 100 %	–
H₂S	–	1/1 100 %	–	–	5/5 100 %	–
As	30/23 76.7 %	–	–	–	48/41 85.4 %	3/3 100 %
Cd	30/25 83.3 %	–	–	–	48/41 85.4 %	3/3 100 %
Hg	–	–	–	–	6/2 33.3 %	–
Ni	30/25 83.3 %	–	–	–	48/35 72.9 %	3/3 100 %
Pb	30/25 83.3 %	–	–	–	48/42 87.5 %	3/3 100 %
SPM	6/5 83.3 %	–	–	–	18/13 72.2 %	–

Explanatory notes
The fraction indicates the number of stations registered in the given year / the number of stations meeting the condition NSV <= 40 days and MP >= 66 %, where
NSV – the longest-lasting continuous failure in the given year
MP – minimum percentage of measurements in the given year