Environment Report 2015
Figure 33: Accidental Chemical Release Mass by Source
1
250
700
Drainage Systems
600
2
Firefighting Systems
200
500
Bunkering Systems
150
Other*
400
3
Pipework Infrastructure
300
100
Containment
200
Number of Releases
Hydraulic Systems
50
100
4
Production Systems and Related Equipment Number of Releases
Accidental Chemical Release Mass (Tonnes)
0
0
2010
2011
2012
2013
2014
*Other includes releases from flare systems, deck washings and those releases for which no source is identified.
Source: DECC July 2015
5
Shading highlights single large releases in that particular category.
Figure 34: Accidental Chemical Release Mass by Cause
6
700
250
Other*
600
7
200
Overflow
500
Blockage
150
Human Error
400
Mechanical Failure
300
100
Seal Failure
200
Number of Releases Valve Failure
50
Maintenance
100
Structural Failure
Accidental Chemical Release Mass (Tonnes)
0
0
Number of Releases
2010
2011
2012
2013
2014
*Other includes releases caused by flange issues, drop out, run off, fitting failure and those releases for which no cause is identified.
Source: DECC July 2015
Shading highlights single large releases in that particular category.
page 49
Made with FlippingBook