Asphalt mixtures can include various recycled materials, which often replace some of the coarse and fine aggregate components. In some cases, a percentage of material called mineral filler, made up of particles that pass through a No. 200-sieve, is also
This may have impacts when considering disposal or recycling of the aggregate after refurbishment which may require additional testing in order to ascertain final destination of the material. Microbial analysis suggests that the aggregate is also the site where high numbers of bacteria are found and ...