In accordance with the agreement reached between St Austell Brewery Company Limited and 
H.M. Revenue & Customs in relation to non-drinkable sediment in cask-conditioned beer by reference
to which duty has been paid is shown below:

18's (Kilderkins)
Normal Volume: 81.83 litres
Sediment: 1.7 litres
Duty Paid Vol: 80.13 litres

9's (Firkins)
Normal Volume: 40.92 litres
Sediment: 0.85 litres
Duty Paid Vol: 40.07 litres

4.5's (Pins)
Normal Volume: 20.45 litres
Sediment: 0.42 litres
Duty Paid Vol: 20.03 litres