Appendix 1.
Descriptions of Petrol Stations used in Study

Station ID VOC Controls Road Classification No of Pump Bays No of Pumps 24HR ?
A None Non- Busy 4 12 Y
B None Non- Busy 2 11 N
C None Busy-Road 4 6 N
  None Busy-Road 6 32 Y
E Stage I Non- Busy 4 6 N
F Stage I Non- Busy 4 24 N
G Stage I Busy-Road 4 32 Y
H Stage I Busy-Road 4 32 Y
I Stage I Busy-Road 6 36 Y
J Stage I Busy-Road 6 36 Y
K Stage I Superstore 6 36 Y
L Stage 2 Superstore 6 36 N


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