Assistant Scientist responsibilities include the following:Use a diverse range of analytical methods for investigation of a test substance in a test systemPerforms laboratory tasks including but not limited to use of analytical balances, measuring volumes, proficient at dispensing volumes with devices such as syringe, pipet, or graduated cylinder, preparation of buffer solutions, use of pH meter, sample processing/ homogenization, microbial analysis, total organic carbon measurement, wet/dry determinations, sample combustions, use of liquid scintillation counters and assist with experimental setup such as preparation of traps for volatile componentsPerform calculations associated with analytical chemistry including stock/standard solution preparations, linear regression and ppm to ppt trace residue determination. Use of internal standards in quantitation.Performs sample extraction and sample clean up techniques for water, soil, crop and animal tissues, including maceration, partitioning of sample extracts, extract cleanup by solid phase extraction (SPE), QuEChERS.Utilize knowledge of theory, and/or operation of, a variety of chromatographic analysis instrumentation, particularly LC-UV, LC-MS/MS, GC-MS and GC-MS/MS.Review data entry and calculations associate with the above techniques and instrumentation.Documentation of work performed in laboratory notebooks, worksheets, instrument logbooks, or other printed documents as per applicable SOP and GLP guidelinesOrganization and maintenance of study raw data bindersContribute to preparation of data summaries and draft reports.