| |
Aquifer productivity |
| Flow mechanism |
Very High (VH) |
High (H) |
Moderate (M) |
Low (L) |
Very Low (VL) |
|
Intergranular (I) |
IVH
Attenuation of certain contaminants
can occur within the aquifer itself. Additional protection is
provided by strata overlying the aquifer. |
IH
Attenuation of certain contaminants
can occur within the aquifer itself. Additional protection is
provided by strata overlying the aquifer. |
IM
Attenuation of certain contaminants
can occur within the aquifer itself. Additional protection is
provided by strata overlying the aquifer. |
IL
Attenuation of certain contaminants
can occur within the aquifer itself. Additional protection is
provided by strata overlying the aquifer. |
IVL |
|
Dominantly Intergranular (DI) |
DIVH
Attenuation of certain contaminants
can occur within the aquifer itself. Additional protection is
provided by strata overlying the aquifer. |
DIH
Attenuation of certain contaminants can occur within the aquifer
itself. Additional protection is provided by strata overlying the
aquifer. |
DIM
Classification not applicable in
Scotland. |
DIL
Classification not applicable in
Scotland. |
DIVL
Classification not applicable in
Scotland. |
|
Intergranular and Fracture Flow (the
latter is dominant) (IF) |
IFVH
Dilution within the aquifer itself can reduce contaminant
concentrations in certain situations. Most protection is
provided by strata overlying the aquifer. |
IFH
Dilution within the aquifer itself
can reduce contaminant concentrations in certain situations.
Most protection is provided by strata overlying the aquifer. |
IFM
Dilution within the aquifer itself can reduce contaminant
concentrations in certain situations. Most protection is
provided by strata overlying the aquifer. |
IFL
Protection will generally only be provided by strata overlying the
aquifer. |
IFVL
Classification not applicable in Scotland. |
| Fracture
Flow (F) |
FVH
Classification not applicable in Scotland. |
FH
Classification not applicable in Scotland. |
FM
Dilution within the aquifer itself can
reduce contaminant concentrations in certain situations. Most
protection is provided by strata overlying the aquifer. |
FL
Protection will generally only be provided
by strata overlying the aquifer. |
FVL
Protection will generally only be
provided by strata overlying the aquifer. |