Company Vision and Strategy

To provide our clients with a
professional service, delivering
quality on time and to budget, and
working together with our clients to
Reduce Risk and Improve Safety

Environmental Services

4-RAIL Services can assist clients in complying with the requirements of COSHH (Control of Substances Hazardous to Health Regulations 2002 as amended).  Our experienced and technically qualified staff; surveyors, site technologists and consultants, offer a full range of environmental services and on site monitoring such as:

Monitoring workplace exposure against HSE Workplace Exposure Limits (WELs, EH40)

  • Airborne Dust levels (Respirable and Total Inhalable)
  • Airborne Silica, released during building works / demolition
  • Fumes, generated during welding, soldering, etc.
  • Organic solvents, e.g. isocyanates, VOCs etc. released when using hazardous substances such as paints, cleaning agents, setting resins, chemical admixtures, etc.
  • Toxic and flammable gases produced by solvents, catalysts, chemical reactions, etc.
  • Diesel emissions e.g. when using diesel engined plant in confined spaces such as tunnels
  • Airborne Microbiological Organisms, e.g. yeasts and moulds
  • Conducting on site investigations which can include static, process/task specific & personal monitoring
  • And other such similar hazards to those listed above

COSHH assessments of hazardous substances used within client specific processes

Hazardous Material Surveys, including Identification and Quantification

  • Analysis of coatings for Lead and Chromium content
  • Bulk sampling for Asbestos
  • Sampling of plaster for Anthrax
  • Identification of Poly Chlorinated Biphenyls (PCBs) and hazards
  • Identification of biological hazards

Contaminated Land( including track ballast), Water and Effluent analysis

  • Desk top studies
  • On site surveying and sampling, including regular/ periodic monitoring exercises
  • In house testing and analysis
  • Identification of biological hazards
  • Interpretation of results
  • And many other similar services


To discuss your particular requirements regarding these or other complementary services,  contact us by emailing
or call us on 020 8955 1700


Environmental Sampling

Unknown liquids are sampled and analysed enabling clients to dispose of them safely in accordance with their environmental policies and ISO14001 certification.


Unknowm Materials Analysis

Proposed worksites may have unknown materials that cannot be safely dealt with until their content is known.


Water Analysis

Water may be analysed, among other things, to compare results to current limits prior to discharge into the foul sewer.