During an opening conference, CSHOs can (FOM states “SHALL”) request a list of the chemicals on-site and their respective maximum intended inventories. CSHOs shall review the list of chemicals and quantities, and determine if there are highly hazardous chemicals (HHCs) listed in §1910.119, Appendix A or flammable liquids or gases at or above the specified threshold quantity. CSHOs may ask questions, conduct interviews, and/or conduct a walkaround to confirm the information on the list of chemicals and maximum intended inventories. If there is an HHC present at or above threshold quantities, CSHOs shall use the following criteria to determine if any exemptions apply: