1. Environmental Analysis Standard Methods

Environmental analysis standard methods can be classified into ten categories as follows: physical testing, analysis of air, water, soil, wastes, toxicants, public health pesticides, biologically accumulating toxicants, environmental biological tests, and biotoxicology analysis. It has established more than 660 standard environmental methods. As unified testing procedures, these standard methods are followed by the accredited laboratories to ensure consistent test data quality.

2. Environmental Data Quality Assurance

Promoting and granting accreditation to environmental analysis laboratories. In order to ensure analysis data quality, eight quality control guidelines (NIEA-PA101 to PA108) have been announced as the quality control items for accredited laboratories.