1. Investigate the background values of anomalous substanes in chinese medicine materials ：Search the annual reports of DOH on anomalous substanes in Chinese medicine materials to establish the draft for standard limitation. 2. Expert’s forum on strategy：Discuss and suggest the daft of strategy. 3. Establish the draft for standard limitation：Reaching the expert’s consensus using the Delphi technique, establish the draft for standard limitation of heavy metals, pesticide residue and microorganism polluents.
|Effective start/end date||6/7/11 → 12/31/11|
- Chinese medicine
- heavy metal
- herbicide residue
- microorganism pollution