The U.S. Army Corps of Engineers (USACE) requires a new handheld energy dispersive X-ray fluorescence (XRF) analyzer. The primary purpose of this instrument is to conduct immediate, on-site screening ... The U.S. Army Corps of Engineers (USACE) requires a new handheld energy dispersive X-ray fluorescence (XRF) analyzer. The primary purpose of this instrument is to conduct immediate, on-site screening for lead (Pb) content in various materials, such as painted steel structures and coatings. This capability is essential for performing industrial hygiene assessments and environmental compliance inspections in accordance with federal and state lead screening requirements.