Stable Isotope Geochemistry


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Madhav Machavaram <[log in to unmask]>
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Stable Isotope Geochemistry <[log in to unmask]>
Thu, 18 May 2006 11:48:16 -0400
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Dear all,

My apologies for cross posting. Following is an advt for two LC
chemists. Though not mentioned in the advt there is a potential for
coupled LC-IRMS research in the future for interested candidates. If
interested please respond directly to the contact given in the advt.

Madhav Machavaram
Pegasus Tech Serv Inc. On-site contractor to USEPA

26 W. Martin Luther King Dr. Cincinnati, OH 45268.
Ph: 513-569-7515

"Live in the Serene Peace of Laboratories and Libraries"
                                       -Louis Pasteur  (Sorbonne, 1892)


Pegasus Technical Services, Inc., an environmental firm in Cincinnati,
Ohio, has two positions available:  Senior Mass Spectrometry Specialist
and Liquid Chromatography-Mass Spectrometry Chemist.  Both are full-time
positions on a U.S. EPA-funded contract.  PhD preferred, or MS with
instrument specific experience.

Senior Mass Spectrometry Specialist

The specialist in this position will be a mass spectrometry specialist
proficient in leading a team to develop quantitative analytical methods
for trace level (part per trillion or lower) emerging contaminants in
difficult matrices.  In many cases, it is anticipated that these methods
will have to be developed as new methods or adaptations of recently
developed methods (methods developed by EPA, by EPA
contractors/grantees, or found in the scientific literature).  The
individual must have demonstrated skills in developing methods for new
analytes at trace levels in difficult matrices.  As the team lead, it is
expected that this person will oversee multiple analytical methods
involving GC-MS and LC-MS/MS.

Liquid Chromatography-Mass Spectrometry Chemist

The analyst in this position will be a key member of a team developing
quantitative analytical methods using liquid chromatograph-mass
spectrometry for emerging contaminants such as endocrine disrupting
chemicals (EDCs) (i.e. natural and synthetic hormones and their
conjugates; alkylphenols, alkylphenol ethoxylates, and the degradates),
perfluorinated chemicals (i.e. PFOA, PFOS and their precursors), and
pharmaceuticals in environmental samples.  The environmental sample
matrices include routine matrices, such as groundwater and surface
water, as well as very difficult matrices with a high potential for
suppression or interferences, such as wastewater influents/effluents,
biosolid sludges, tissues, animal wastes, and sediments.  Method
development will include sample preparation (i.e. sample preservation
and handling, extraction, and fractionation) as well as extensive
cleanup or purification.  The position requires a high degree of
competence with quality control and development of standard operating
procedures for analysis of samples at parts per billion and part per
trillion levels.  Once methods are developed/validated and SOPs are
written, it is expected that the person in this position will provide
oversight and troubleshooting for routine analysis of these compounds in
support of numerous on-going and developing projects.  Knowledge of
different types of mass spectrometer configurations and analyzer types
is valuable (such as Waters CapLC-QTOF and LC-Triple Quad).  Competence
in maintaining and diagnosing instrument functions is also a valuable
aspect of the position.

To apply, please send your CV and a cover letter to Karen Koran,
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