Laboratory Services
ERG provides a range of analytical measurements, environmental monitoring, method development, and consulting services. Our state-of-the-art laboratory, located in Research Triangle Park, North Carolina, has established a national reputation as a leader in ambient air monitoring, analyses, and data characterization. We are also equipped to perform both routine and highly complex analysis of water and waste environmental samples. We offer prompt, personalized service while delivering the highest quality data.
Ambient Air Monitoring
- Air monitoring programs and planning: air toxics, PAMS, PM
- Quality assurance, NELAC-certified
- Air sampling equipment certification and rental
- Air testing methods by EPA, NIOSH, OSHA, and ASTM: TO-15A, TO-13, TO-12, TO-11A, 8260, 8270, 26A, CTM-27, CTM-33, PM10, PM2.5, hexavalent chromium, trace metals analysis
- Custom target compound identification and quantification
- Custom data reports
Data Characterization and Statistical Assessment
- Trends analysis
- Risk assessment and evaluation
- Back trajectory
- Emissions-based risk: source, area, and mobile
- Central tendency and data distribution statistics
- Pollution rose analysis: air pollutant sources or mobile sources signatures
- Geographic information systems (GIS)
Emergency Response
- Sampling network design
- Sampling support
- Compendium method analysis
- Particulate mass analysis
- Indoor air analysis
Environmental Analysis
- Hexavalent chromium
- Trace metals
- VOC and SVOC
- Aldehydes and ketones
- Cyanide, cations, and anions
- Custom target analytes
Exposure Investigation (short-duration studies)
- Study design, planning, and implementation
- Monitoring/measurements and laboratory analyses
- Health risks and recommendations
Method Development and Evaluation
- Source methods
- Ambient methods
- Chemical analysis methods
- Optical methods
Quality Assurance
- Guidance documents
- Audit materials: Methods 6, 7, 8, 12, 13, 26, 29, 101, TO-15A
- Technical systems audits
- Management systems audits
- Experimental design
- Quality Assurance Project Plans (QAPPs)
- Standard operating procedures (SOPs)
