Sydney Analytical Laboratories

The laboratory carries out extensive documented QA/QC procedures as set out in ANZECC Guidelines for Laboratory Testing of Environmental Soils and APHA “Standard Methods for the Examination of Water and Wastewater” (Latest Edition). Both standards set out definitions of bias, lower limits of detection (MDL), precision, accuracy, completeness and comparability; along with correct procedures for standard reagent preparations, instrument calibrations, data reduction validation and reporting, and corrective actions where required.

The laboratory also participates in frequent proficiency testing programs which monitor inter-laboratory performance. Organisations running these programs include PTA, NMI and ASPAC. Results of all programs are inspected during NATA laboratory audits, held every 18 months. Another facet of the quality system is the nature and frequency of internal check standards and samples. These provide batch to batch monitoring of analytical data for precision and accuracy, enabling immediate corrective actions to be undertaken should discrepancies come to light. The laboratory’s QA/QC program has been fully approved by the National Association of Testing Authorities (NATA). Further details on any or all of these procedures can be supplied on request.