The Advanced Spectroscopic Portal Program: Background and Issues for Congress
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Evaluating Testing, Costs, and Benefits of Advanced Spectroscopic Portals: Final Report (Abbreviated Version)
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Evaluating Testing, Costs, and Benefits of Advanced Spectroscopic Portals for Screening Cargo at Ports of Entry: Interim Report (Abbreviated Version)
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EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy
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Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope
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Seconic Spectroscopic Color Meter Spectromaster C-800
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Gain Express Pocket Diffraction Grating Gemological Spectroscope for Quick Gemstone Identification and GIA Use
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Eisco Labs Economy Spectroscope Tube, Pack of 24
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