Non Metals
Non Metals 1,3-butadiene (1990 onwards)
Ammonia (1990 onwards)
Benzene (1990 onwards)
Carbon dioxide (as C)
Carbon monoxide
HFC (1990 onwards)
Hydrogen chloride (NULL)
Hydrogen fluoride
Methane
Nitrous Oxide (1990 onwards)
Oxides of Nitrogen
Particles as PM10
PFC (1990 onwards)
SF6 (1990 onwards)
Sulphur Dioxide
Volatile Organic Compounds
Metals
Metals Arsenic
Beryllium
Cadmium
Calcium
Chromium
Copper
Lead
Magnesium
Manganese
Mercury
Nickel
Potassium
Selenium
Sodium
Tin
Vanadium
Zinc
Persistent Organic Pollutants (POPs) 1990 onwards
POPs Acenapthene
Acenapthylene
Anthracene
Benzo[b]fluoranthene
Benzo[ghi]perylene
Benzo[k]fluoranthene
Benz[a]anthracene
Benz[a]pyrene
Chrysene
Dibenz[ah]anthracene
Dioxins
Fluoranthene
Fluorene
gamma HCH
HCB
Indeno[1,2,3-cd]pyrene
Napthalene
PCBs
PCPs
Phenanthrene
Pyrene
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
1979
1978
1977
1976
1975
1974
1973
1972
1971
1970
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