


Environmental classification of petroleum substances – summary data and rationale
Report no. 01/54: Environmental data on the fate and effects of petroleum substances are summarised. Technical issues relating to the choice of test methodology for the evaluation of environmental impacts of petroleum substances are discussed. Proposals for...
A noise exposure threshold value for hearing conservation
Report no. 01/52: As part of a proposed EU directive for health and safety at work, a noise exposure threshold level of 75 decibels (A-weighted) over an 8-hour working day has been specified. This is stated to be the value below which continuous and/or repetitive...
Measurement of the number and mass weighted size distributions of exhaust particles emitted from European heavy duty engines
Report no. 01/51: This study investigates the measurement of the mass and the number of heavy duty automotive particle emissions and their related size distributions. Limited additional test work has investigated the effect of sampling and measurement conditions on...