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Roalofs abridged CV
SCOTT ROALOFS
Biochemistry Laboratory
Colorado Dept. of Agriculture
2331 W. 31st. Ave
Denver, CO 80211
Phone: 303 867-9250
E-Mail:
PROFESSIONAL EXPERIENCE
 Fertilizer Program Chemist, Colorado Department of Agriculture, Denver, CO
(Dec. 2011-present)
- Perform trace metals analyses including, but not limited to trace metals in animal feeds, trace metals and
metallic content in fertilizer, and analysis of toxic metals such as arsenic in foods.
- Proficient in operating within the ISO/IEC 17025 Quality Control System.
- Develop new testing methods and procedures for new equipment or technologies through method
development, testing and validation. Position devises improvements, updates, or modifications to existing
methods and procedures through method validation, verification studies, report generation, creates Standard
Operating Procedures (SOP's) for such methods.
- Specialties: Analysis techniques include using wet chemical methodologies and analytical instrumentation.
・Instrumental techniques include:
・Perkin-Elmer Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES)
・Perkin-Elmer Atomic Absorption, Emission (AA) and Mercury Hydride System (MHS) spectroscopy
・LECO Combustion Spectrometry (Nitrogen, Sulfur, Carbon) analysis
・CEM Microwave Digestion techniques
- Performs routine and emergency maintenance, repair and calibration of instruments.
 Senior Chemist, Colorado Department of Transportation, Muscle Shoals, AL.
(Dec. 2006-Mar 2012)
- Served as lead scientist for CDOT chemical testing, performs chemical and physical assays using wet
chemical techniques, a Perkin Elmer Flame Atomic Absorption Spectrometer (FASS) and a Bruker S4
Pioneer Wavelength Dispersive X-ray Fluorescence Spectrometer (WDXRF).
- Responsible for supervising technicians, managing a budget, ensuring laboratory testing is performed in
compliance with AASHTO/ASTM regulations, approving test results, validating methods and reagents,
developing procedures and protocols, and evaluating, selecting, acquiring, installing and maintaining
laboratory equipment.
- Followed chain-of-custody protocols, receives, maintains and serves as principal custodian of samples that
may be relevant to criminal investigation.
- Devised scientific investigations and studies to validate new highway technologies, equipment and
procedures; writes reports, grant applications and related documents.
- Kept up to date on contemporary research as they relate transportation issues; makes presentations
regarding laboratory investigations, research and validation studies.
- Wrote manuscripts for publication and participates in multidisciplinary teams and task forces.
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