


European downstream oil industry safety performance
Report no. 6/21: The 2020 annual report on European downstream oil industry safety performance presents work-related personal injuries for the industry’s own employees and contractors and process safety performance indicators. Information was received from forty-two...
A comparison of three methods to assess natural source zone depletion at paved fuel retail sites
Natural source zone depletion (NSZD) encompasses all processes that result in petroleum hydrocarbon light non-aqueous phase liquid (LNAPL) mass loss. Vertical gas transport between the subsurface and atmosphere is a key component of NSZD. Gas exchange with the...
Regulator-suggested ‘temperature correction’ of biodegradation rates leads to overestimation of persistence for hydrocarbon substances (Concawe Review 30.1)
Since 2017, the European Chemicals Agency (ECHA) has required that all new biodegradation simulation tests be carried out at 12°C, and now also requires that half-life criteria resulting from studies previously undertaken at higher temperatures be...