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United States Environmental Protection Agency
Region 9: Quality Assurance
  Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and over 140 Tribal Nations
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EPA Quality System
National quality assurance resources

Region 9 Lab
Region 9's facility for scientific analysis

The quality assurance references below are technical guides followed when performing environmental sampling work for EPA. The documents define various technical requirements that sampling events must address to develop defensible data suitable for environmental decision making. Since most EPA decisions ultimately involve data collection, these documents are very important, since they are the key to reliable data. This area of EPA's Web site is most suitable for contractors, state and local officials, and responsible parties who need an in-depth understanding of data collection and documentation requirements.

Most of Region 9's Quality Assurance documents are available in Adobe Acrobat Portable Document Format (PDF). About PDF

Analytical Methods & Reference
Services and procedures for the analysis of hazardous chemicals in soil, water and air

Quality Assurance Project Plans
Guidance for planning field and laboratory measurements to ensure data quality

Data Validation & Laboratory QA
Procedures for reviewing the quality of laboratory analytical data

Data Quality Indicator Tables
Quality assurance/Quality control acceptance criteria for laboratory analytical data

Tribal Resources
Quality assurance guidance for tribes

Links
Quality assurance guidance from EPA Headquarters and regional offices

About the Quality Assurance Office
Region 9 Quality Assurance Office mission statement and quality management plan

Acronyms
lists acronyms commonly used in EPA documents

 

Region 9 Topics and Programs | A-Z Site Index

 
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