DELTA Environmental Handheld XRF Analyzers test for dangerously high levels of RCRA, Priority Pollutant and hazardous metals in seconds. HHXRF is used for soils and sediments according to EPA 6200 and other SOPs, filters per NIOSH or OSHA methods, screening surfaces and measuring dust wipes for Pb, Cd, Cr, As, Hg, and more.