updated over 7 years ago by Craig Carlson
Source
Comments
G4-EN21 listed on their GRI Index (page 81-83 of 89) - reported under G3.1-EN20
G3.1-EN20 discussed on page 51 of 89
NOx value estimated from graph in bottom left corner (450 tonnes), however this cannot be easily converted into mg/m3 as is required.