Which of the following is NOT one of the three primary analytic techniques used at the Marine Safety Lab?

Nuclear Magnetic Resonance (NMR) is not one of the primary analytic techniques utilized at the Marine Safety Lab. The three primary techniques commonly emphasized in marine safety and environmental laboratories include Gas Chromatography, Infrared Spectroscopy, and Mass Spectrometry, all of which are widely used for analyzing various pollutants and chemical substances in marine environments.

Gas Chromatography is essential for separating and analyzing compounds that can be vaporized without decomposition, making it valuable for detecting volatile organic compounds. Infrared Spectroscopy is useful for identifying organic compounds through the absorption of infrared light, which provides insights into the molecular structure of various substances. Mass Spectrometry complements these methods by providing precise molecular weight information and structural analysis of compounds, allowing for detailed characterization of pollutants.

Nuclear Magnetic Resonance, while a powerful analytical technique, is not typically employed in marine safety contexts to the same extent as the other three methods, which are more focused on the types of analyses required for monitoring marine pollution and conducting safety assessments.