566-567 / 648
CDOIF
Chemical and Downstream Oil
Industries Forum
CDOIF is a collaborative venture formed to agree strategic areas for
joint industry / trade union / regulator action aimed at delivering
health, safety and environmental improvements with cross-sector
benefits.
Row DETR
Table Ref
Receptor
Type
Severity of Harm
Reference to
Table 2
Comments
Significant
While this level of
harm might be
significant pollution, it
is not considered a
MATTE.
Severe
DETR Criteria - the
lowest level of harm
that might be
considered MATTE.
Major
Catastrophic
Corresponding
Harm/Duration /
Recovery row in Table
2
The 'Severe' to
'Catastrophic' levels of
harm are considered to
be included as 'Serious'
with respect to the
COMAH definition of a
major accident.
Receptors include:
Severity Level ĺ
1
2
3
4
5
5
Widespread
Habitat - Non-
designated Land
<10ha
Contamination of 10-
100ha of land,
preventing growing of
crops, grazing of
domestic animals or
renders the area
inaccessible to the
public because of
possible skin contact
with dangerous
substances.
Alternatively,
contamination of 10ha
or more of vacant
land.
100-1000ha
(applied as per text
under 'Severe')
>1000ha
(applied as per text
under 'Severe')
Land
Land/water used for
agriculture, forestry,
fishing or aquaculture
6
5
Widespread
Habitat - Non-
designated Water
Contamination of
aquatic habitat which
prevents fishing or
aquaculture or renders
is inaccessible to the
public.
N/A
N/A
Surface Water
Land/water used for
agriculture, forestry,
fishing or aquaculture
Guideline – Environmental Risk Tolerability for COMAH Establishments v1.0
Page 68 of 88