President & CEO
Organic Lab Manager
QA/QC Manager
GC/MS Chemist
GC Specialist
Chemist
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Envirosystems, Inc.
Suite B102
9200 Rumsey Rd.
Columbia, MD 20145
(410) 964-0330
(410) 740-9306 fax
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Mr. Brewington is the Organic Laboratory Manager and a GC/MS
Specialist. He has over 12 years
of experience in the environmental analytical field and with hazardous waste
laboratories. His experience
includes GC/MS, GC/EC, HPLC, TLC, and sample preparation and clean-ups. Mr. Brewington has comprehensive
knowledge of and experience in regulatory agencies' requirements for organic
analysis by GC/MS and GC/EC using U.S. EPA CLP, Method SW-846, 600 and 500 Series,
and air toxics analytical protocol. He is responsible for the hiring, training and supervision of the
chemists. He also works as Laboratory Safety Officer.
Professional Experience
Gas Chromatograph/Mass Spectrometry.
Analyzed environmental samples using GC/MS and GC/EC in accordance with
CLP and EPA Protocols. Analyzed
organics compounds by GC/MS using EPA protocols (CLP, SW-846, 600 and 500
Series); GC screening of samples prior to GC/MS analysis. Performed mass spectral data reduction
and report preparation using Finnigan Formaster software. He is responsible for managing CLP
analysis and data quality and mass spectral data interpretation.
Analytical Chemistry. Supervised organics section and
performed GC/MS analysis of volatile and semivolatile organic compounds in a
variety of complex matrices (air, water, soil, sludge, etc.). Responsibilities included GC analysis
of pesticides and PCBs and sample extraction/clean-ups prior to instrumental
analysis. He is responsible for GC
and HPLC analysis of pesticide residues and extraction of samples. He has more than 10 years experience in
CLP contracts/protocols
Education
B.S. University of Maryland, College Park Biochemistry
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1983
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Previous Experience
Envirosystems, Inc., Columbia, MD
Organic Laboratory Manager
GC/MS Specialist
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1989-Present
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General Physics Corporation, Gaithersburg, MD
GC/MS Analyst
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1989
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Versar, Inc., Columbia, MD
GC/MS Analyst
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1988-1989
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State of Maryland, Hazardous Waste Lab, Baltimore, MD
Chemist II
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1986-1988
1983-1985
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State of Maryland, Dept. of Agriculture, Baltimore, MD
Chemist I
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1985-1986
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