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We undertake all our work in accordance with Eurocode 7 and BS10175: 2001 Code of Practice for the Investigation of Potentially Contaminated Sites. All subsurface materials are described in accordance with BS5930 and Eurocode EN ISO 14688 & EN ISO 14689.

All drillers used on our site investigations are BDA (British Drilling Association) accredited.

All geotechnical testing is carried out in accordance with BS1377 and all chemical laboratories used have the relevant MCERTS and are UKAS accredited. Results of any chemical analysis are screened against the following: 

·         Relevant guideline values (GVs), such as the Environment Agency Soil Guideline Values (SGVs)
·         The Chartered Institute of Environmental Health (CIEH) General Acceptance Criteria (GAC’s)
·         In house Site Specific Acceptance Criteria (SSAC) for soils
·         Current UK DWS (Drinking Water Standards)
·         EQS (Environmental Quality Standards) for controlled waters. 

All environmental monitoring is carried out in accordance with CIRIA 665 and BS ISO 5667-17 2008.

Advice on Concrete design is given in accordance with BRE Special Digest 1. Concrete in aggressive ground.
Soakaway testing is designed in accordance with BRE Digest 365.

NCES Ltd hold membership and accreditation with the following organisations and professional bodies:




NCES Ltd
99 Maldon Road, Witham, Essex CM8 1HP
Phone: 01376 518971
©Copyright NCES Ltd 2010 | Company Registered in England and Wales No. 05928939