Samples are taken from the existing footways and carriageways and transported to our Laboratory for testing to assist with the detection of Polycyclic Aromatic Hydrocarbons which is found in old Coal Tar material. This is a toxic material and when excavated there is a legal requirement for safety measures to protect workforce and the general public.
All contaminated materials are to be disposed of by a licensed waste disposal operator.
- By using a PAK marker aerosol together with an Ultra Violet light we can identify the level of contamination in accordance with ADEPT guidance 2019/8 Managing reclaimed Asphalt Highways and Pavements.
