Extraction and Analysis of Residue Samples
Use validated methods to extract and prepare residue samples for analysis.
Prepare standard solutions and reagents required for analysis
Analyze samples using high-performance liquid chromatography (HPLC) and occasionally using gas chromatography (GC) coupled to various detection systems, primarily triple quadrupole or Orbitrap mass spectrometry.
Perform and document activities in compliance with EPA Good Laboratory Practice regulations and laboratory standard operating procedures.
 
Method Evaluation and Development
Review literature for changes/improvements in preparative/analytical procedures.
Evaluate analytical methods and modify as necessary to achieve acceptable method performance for difficult matrices i.e., dried herbs, oils, nutmeats, processed seed meal, etc. Develop and/or improve methods for extraction and analysis of pesticides in various crop matrices.
Optimize analytical instrument parameters to achieve acceptable, reliable performance for the analysis of multiple analytes.
 
Data Review and Report Preparation
Operate computer based automated data collection systems for data acquisition, processing, and quantitation.
Prepare draft final reports and collect documentation required for Quality Assurance review. Review current laboratory standard operating procedures. 
 
 
General Duties
Conduct routine instrument cleaning, maintenance, and basic instrument troubleshooting. Contact contracted service providers for instrument repairs and maintenance.  Document required repairs and service.
Prepare and make available to lab personnel notes on proper instrument use and maintenance.
General lab maintenance and cleaning.
Participate in required training activities.
Other duties as assigned.