Beamline OperationHC1 APS BaseLow TemperaturesHC2 Cryogenic SystemsHigh TemperaturesHC3.1 Electric FurnaceHC3.2 Optical FurnaceHC3.3 HeaterHC3.4 Other High TemperatureLasersHC4.2 Laser, Class 2HC4.3a Laser, 3R/Class 3aHC4.3b Laser, Class 3bHC4.4 Laser, Class 4High PressuresHC5.1 High Pressure, DACHC5.2 High Pressure, LVPHC5.3 High Pressure VesselsHC5.4 High Pressure Comp. GasChemicalsHC6.0 Chemicals, GeneralHC6.1 Chemicals, Particularly Hazardous SubstanceHC6.2 Chemicals, CorrosiveHC6.3 Chemicals, ToxicHC6.4 Chemicals, FlammableHC6.5 Chemicals, OxidizerHC6.6 Chemicals, OtherHC6.7 Chemicals, Explosive/Energetic MaterialsBiosafetyHC7.1 Biosafety Level 1HC7.2 Biosafety Level 2HC7.3 Biosafety Level 3HC7.4 Biosafety Level 4HC7.5 Human Tissue/MaterialRadioactivityHC8.1 Radioactive SamplesHC8.2 Radioactive Sealed SourceHC8.3 X-Ray GeneratorMagnetsHC9 MagnetsNon-Ionizing RadiationHC10.1 RF and MicrowaveHC10.2 UV LightHydrogenHC11 HydrogenElectronicsHC12 Electrical EquipmentHC13 High VoltageNanomaterialsHC14.1 Nanomaterials - Solid MatrixHC14.2 Nanomaterials - Liquid SuspensionHC14.3 Nanomaterials - UnboundOtherHC15.1 OtherHC15.2 USDA Regulated Soil SamplesHC15.3 Beamline GloveboxesPlease direct questions about the content to esaf_system@aps.anl.gov