The Environment Agency ("The Buyer") is seeking to procure analytical instrumentation for colorimetric analysis (“Instrument(s)”) and associated services to support environmental laboratory operations. The Buyer requires a single Supplier to provide a complete analytical Solution Set for Nutrient, Total and Free Cyanide, and Dissolved Organic Carbon (DOC) analysis. The Buyer does not prescribe the exact type of Instrument(s) required and Suppliers shall propose their recommended Solution Set to meet the analytical and operational requirements set out in this Specification, provided all mandatory performance requirements are met and the Supplier assumes responsibility for the complete Solution Set under a single Contractual arrangement. The Buyer intends to enter a four (4) year Contract for the provision of the Instrument(s) together with associated support services. The estimated demand under the Contract is up to eight (8) Instruments over the Contract Term. This estimate is non-binding and is provided solely for the purpose of informing the Suppliers submission.