Pathology / Biology

RPS offers an extensive scope of pathology analysis in relation to biological matrices. Delivering a flexible range of cost effective analytical services designed to meet the needs of clients we use a range of methods to identify trace contaminants, metabolites and complex blood chemistries.

RPS provides free sampling kits, return postage and packing and with rapid turnaround. These benefits, together with the experience and knowledge of an established team, enable RPS to deliver a personal and professional service.

The laboratory holds ISO17025 accreditation to conduct drugs and alcohol testing and is RISQS accredited to Network Rail standards, and additionally ISO17025 accreditation for blood lead testing.

Full details of all our accredited tests can be found by clicking on this link.

Key Contacts

Francis McTeigue

Francis McTeigue   |   Laboratory Manager   |   Send Email

A professional chemist with over thirty years’ experience in the sampling and analysis of trace impurities in blood urine and many other matrices. An experienced laboratory and quality manager, responsible for the day to day running of the busy Ellesmere Port laboratory and maintenance of the laboratory’s ISO17025 quality system.

Sub Services

Urinary Drugs and Alcohol Analysis

Full evidential drugs and alcohol to various profiles

Testing to Network Rail standards

Routine Pathology Analysis

Full blood count

Extensive biochemistry profiles

Markers for Hepatitis and other infectious diseases

Organic Analyses

Hippuric acid

Mandelic acid

Methyl hippuric acid


Trace Metals in Urine, Blood, Serum and Plasma







Fluoride (in urine)