10.23 Some 17% of expenditure is shown to be deployed on Lancashire workers/suppliers, with a third going overseas. The relatively high leakage overseas is due to the fact that the main drilling and fracturing equipment is sourced from overseas suppliers and often utilises specialist overseas labour when operational. Of all UK expenditure, a third is deployed on labour costs, with 7% being utilised for subsistence expenditure of workers most of which flows to Lancashire businesses.