Across
- 3. This normally stops once the heat source has been removed.
- 7. Fertilisers may promote ... if released into watercourses.
- 11. … of ammonium nitrate starts and becomes noticeable at 210°C.
- 13. Falling debris on … ammonium nitrate fertiliser can also lead to an explosion.
- 14. Impurities or ... can contribute to the explosive decomposition of ammonium nitrate.
Down
- 1. The greater the ... % content, the greater the danger from the fertiliser in a fire situation.
- 2. This method should be considered if ammonium nitrate is fully engulfed in the fire.
- 4. Ammonium nitrate will not … in a fire.
- 5. Fertilisers containing 28% or less nitrogen do not normally present an ... hazard.
- 6. When ammonium nitrate is taken in a fire, it may also be contaminated by ... material which can lead to a detonative situation.
- 8. The … of the mass of fertiliser material can lead to an explosive risk.
- 9. Ammonium nitrate is … so can intensify a fire involving combustible materials.
- 10. Stacked fertiliser can lead to … developing.
- 12. Brown/orange smoke indicates the presence of ... in a fire situation.