Environment Report 2018

Figure 35 also shows the increase in the number of releases since 2010 in contrast to the overall decrease in release mass, demonstrating that individual releases are, on average, getting smaller each year. Although fewer releases were reported in 2017 than in the previous year, the graph shows that the total of 233 releases in 2016 was higher than usual.

Figure 35: Accidental Chemical Release Mass by Source

0 100 200 300 400 500 600 700 800 900 1,000

Other*

Subsea Systems & Related Equipment Production Systems & Related Equipment Containment

Drainage Systems

5

Bulk Transfer Systems

Accidental Chemical Release Mass (Tonnes)

Pipework Infrastructure

Hydraulic Systems

2010 2011 2012 2013 2014 2015 2016 2017

Number of releases

*Other includes releases from flare systems, deck washings, fire fighting and those releases for which no source is identified. Shading highlights single large spills in that particular category.

Source: BEIS July 2018

51