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EPA method 625 measures BNA semivolatiles by GC/MS. What is BNA?

April 26, 2017bna EPA GC measures method MS

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EPA method 625 measures BNA semivolatiles by GC/MS. What is BNA?

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a. Base, neutron, azides b. Base, neutral, anion c. Boron, neutron, anion d. Base/neutral and acid extractables 9. Aqueous samples for TPH analysis are preserved with ___. a. Nitric acid b. Sulfuric acid c. Hydrochloric acid d. Sodium hydroxide 10. EPA SW-846 is the analytical reference source for ___. a. Drinking water analysis b. Solid and hazardous waste analysis c. NPDES analysis d.