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The UK Hydrocarbon Network measures ambient benzene concentrations at various sites around the United Kingdom.
Benzene is monitored to assess compliance with UK Objectives (between 3.25 and 16.25 µgm-3 depending on area and compliance date, expr ....

The networks consist of interdependent elements, split between an automatic and a non-automatic network.
The Hydrocarbon Network Operator is responsible for the management of the network of air pollution monitoring sites throughout the UK for the ....

The Hydrocarbon Network Operator is responsible for the management of the network of air pollution monitoring sites throughout the UK for the measurement and assessment of Benzene and volatile organic compounds at automatic sites. The operator will b ....

Lab analysis of water & sediment samples for contaminants (hydrocarbons, metals, pesticides & nutrients). Samples are taken from intertidal cockle beds in The Wash, with the aim of identifying environmental pressures contributing to shellfish ....

NPL require to replace existing Automatic Thermal Desorption (ATD) instrument which is linked to a Gas Chromatograph (GC) fitted with both a Flame Ionisation Detector (FID) and a Mass Spectrometer. The replacement system will need to have the capacit ....

Requirements All items are considered as a single package 1.1.2 x Refinery Gas Analysers The RGAs will be used to determine catalyst performance through continuous in-line analysis of tail gas on each reactor unit. The following specifications are re ....

Gas chromatograph - high resolution accurate mass spectrometric system (GC-HRMS) to maintain and enhance Cefas' capability for specialist environmental contaminants determination at trace and ultra-trace level in the marine environment. Critically, t ....

The Analytical Chemistry laboratory at Cefas Lowestoft has a requirement for one (1) spectrofluorometer to support hydrocarbon analysis for a wide range of key government monitoring programmes. The system will be capable of simultaneously scanning ex ....

The works comprise of the following: - Earthworks – includes removal of peat, glazier till and fractured rock. - Peat Storage – all removed peat is to be stored in bespoke constructed bays for reuse during closed cell restoration. - Unsaturated Z ....

The Scottish Ministers has a requirement to purchase, installation and maintenance of a GC-MS/MS for the determination of persistent organic contaminants such as polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) and polycyclic ....