REPORT
1st UILI-ILP 2006 (Finished)

According to resolution of the UILI International Proficiency Testing Committee in September 2006, the program was named as “Inter Laboratory Practice (ILP)”.

• Hosted by: UILI
• Co-hosted by: JEMCA, ACIL, CCIL, AELI and VRS
• Type of the program: Proficiency Test of heavy metal in sediment.
• Target compound: Total Chromium (T-Cr), Total Lead (T-Pb), Total Nickel (T-Ni),
  Total Zinc (T-Zn) and Total Mercury (T-Hg)
• Method: Analyzing total concentration of metals in sediment.
• Number of labs participated: 237
• Number of labs submitted results: About 188 to 223
• Statistical Evaluation using; z-score, bar charts of z-scores in ascending order and Youden-plot