Gold Partner

371 Millbrook Rd W Southampton
United Kingdom - SO15 0HW
Phone: +44 23 8078 6979

Our Company


Laboratory Services to the Environmental and Food Sectors


Marchwood Scientific Services Ltd is a privately owned company, the directors being the major shareholders. The laboratory was established in 1983 by Rechem International, the waste management group, to provide an environmental monitoring service for its waste-to-energy facilities. At the time the laboratory was the only commercial, independent dioxin analysis laboratory in the UK. Since then the laboratory has become one of the leading dioxin analysis laboratories in Europe, and undertakes contract work for organisations all over the world.

Analysis of Organic and Inorganic Materials

Based in Southampton UK, Marchwood Scientific Services Limited (MSS) is a leading provider of quality laboratory services to the environmental and food sectors. 

Using the most advanced analytical instruments available, operated by highly experienced specialists, we offer an independent service for the analysis of a wide range of organic and inorganic materials. In order to ensure quality of results, many of our procedures are accredited by the United Kingdom Accreditation Service (UKAS).

MSS is an international market leader in the analysis of dioxins and furans, and is the longest established independent dioxin analysis laboratory in the UK.


Environmental Services


Using the most comprehensive and up-to-date analytical instruments available, MSS specialises in the testing of solid, liquid and gaseous environmental samples. Our scientists are experienced in the analysis of materials from a range of sources including ambient air, stack emissions, water, effluent, soils and combustion residues.

Dioxins Analysis- The Complete Dioxin Service

Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (dioxins and furans) are a family of over 200 chlorinated organic compounds. Dioxins are ubiquitous in the environment at very low levels, and reach humans by intake in food, inhalation and absorption through the skin.

It is generally accepted that even minute amounts of these chemicals may cause cancer and birth defects. Dioxins and furans appear as by-products of some chemical processes and from inefficient combustion. Low human exposure guidelines necessitate the use of high resolution GC/MS for the analysis of these compounds.
At MSSL dioxin analysis is performed using High Resolution Gas Chromatography/Mass Spectrometry (GC/MS) using United States Environmental Protection Agency methodologies. Our analytical equipment is the most advanced available.

We are accredited by the United Kingdom Accreditation Service (UKAS) for the analysis of dioxins in a wide variety of media including soils, waters, air samples and foodstuffs.

Stack Sample Analysis- A High Quality Stack Sample Analysis Service

MSS has over 20 years experience in the analysis of samples collected during the monitoring of pollutant releases to atmosphere. We were among the first in the UK to gain accreditation from UKAS for dioxin analysis in accordance with the European CEN standard, BS EN 1948: 1997. We also offer analysis of the following determinants:

  • Total chlorides expressed as hydrogen chloride
  • Speciated and total VOC
  • Hydrogen fluoride
  • Heavy metals 

We guarantee:

  • Chain of custody
  • Reliability
  • Traceability of results
  • Adherence to deadlines
  • Competitive pricing
  • Rapid response to enquiries 


Air Sample Analysis and Contaminated Land


Air Sample Analysis- Air Quality Monitoring

The monitoring of pollutants in the ambient environment can be undertaken by continuous automated analysers, or by means of passive samplers. The passive sampler is the simplest, most reliable and cost effective system for monitoring several pollutants over long sampling periods.

The passive sampler does not require electric power or a sample pump. A collection media adsorbs gas molecules over long periods, typically 3 months in urban areas. Following exposure, the sampler is returned to the laboratory for analysis.
Passive samplers
are simple to deploy and operate, and are extremely effective for a range of major pollutants.

MSS specialises in the analysis of passive sample tubes. Airborne pollutants that can be monitored using this technique include nitrogen oxides, sulphur dioxide, ozone, ammonia, benzene, toluene, ethyl benzene and xylene.

Contaminated Land

Contaminated land is a potentially valuable resource for new development, but the extent and degree of contamination must be evaluated before site is reused. The Pollution Prevention and Control Regulations (England & Wales) 2000 requires testing to establish the concentration of particular contaminants in soil. The Environment Agency of England and Wales is proposing to extend its Monitoring Certification Scheme (MCERTS) to the chemical testing of soils.

MSS has expertise and experience in the analysis of contaminated land samples to support the activities of developers and regulators involved in the redevelopment of contaminated sites.
MSS recognises the need for rapid on-site attendance and reporting of results when assessing soil and groundwater contamination. We can provide experienced site chemists, often same-day service and fast-track analysis.

In addition the following services are available for clients engaged in the development of contaminated sites:

  • Personal monitoring for dust, gases and vapours
  • Environmental boundary fence monitoring for most pollutants
  • Noise and vibration testing


Waste Analysis Services and Organic Analysis


We provide our customers with a prompt and accurate waste analysis service.

Services for Waste Management Industry

Our UKAS accredited laboratory can help you monitor the chemical composition of your waste products and discharges using the very latest in analytical and testing techniques to ensure regulatory compliance.

Our extensive range of services includes: 

  • On-site sampling of residues collected from waste-to-energy plant and landfill sites for subsequent analysis 
  • Analysis of dioxins and furans, PCBs, PAHs, VOCs, metals and other inorganics and elemental analysis (carbon, hydrogen, nitrogen etc.)
  • Analysis of ground water, surface water and landfill leachates
  • Stack emissions monitoring, ash and spent lime analysis, background surveys for ambient air/soil/foliage
  • Landfill gas monitoring and monitoring of emissions from landfill gas engines and flares

Environmental Monitoring Services

As environmental legislation and awareness has grown, so has the requirement for a cost efficient, high quality monitoring service. Marchwood Scientific Services offer a range of monitoring services to comply with the requirements of IPC and PPC and to aid in the implementation of environmental management systems for industry and public bodies.

Sampling is carried out in accordance with our stringent sampling protocols to assure quality control in both sampling and analysis.

Environmental monitoring services available from MSS include: 

  • Stack emissions monitoring 
  • Sampling and analysis of residues from combustion plant and landfill sites
  • Surface water and groundwater monitoring
  • Soil monitoring
  • Air quality monitoring
  • Effluent monitoring

Organic Analysis

MSSL provides a wide range of techniques for the analysis of organic compounds. Our capabilities include:

  • Analysis of dioxins and furans using US EPA 1613 derived protocols
  • Analysis of total and isomer-specific polychlorinated biphenyls (PCB) by GC ECD and GC/MS
  • Pesticides and Polyaromatic Hydrocarbons (PAH) by GC/MS
  • Volatile organic compounds (VOC) in water by purge and trap GC/MS
  • VOC in air by thermal desorption GC/MS or direct injection GC/MS
  • Semi-volatile and volatile suites using GC/MS 

Sample matrices include:

  • Stack emissions (e.g. XAD-2 resin)
  • Ambient air (e.g. ATD tube)
  • Vegetation (e.g. grass or crops)
  • Food (animal and human)
  • Water (potable and waste)
  • Waste (solid and liquid)
  • Ashes (fly and bottom ash)
  • <

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