Event or exposure,HVAC DAFW cases 2023-2024 (two-year total),"HVAC DAFW rate (per 10,000 FT)",Share of HVAC DAFW cases (%),"All-occupation DAFW rate (per 10,000 FT)",HVAC rate / all-occupation rate Contact incidents,"4,590",69.2,32.3,23.6,2.9 "Falls, slips, trips","3,910",59.0,27.5,22.6,2.6 Falls to a lower level (subset of falls),"1,860",28.0,13.1,4.1,6.8 Overexertion and bodily reaction,"3,260",49.1,22.9,23.2,2.1 Transportation incidents,"1,240",18.7,8.7,4.3,4.3 Exposure to harmful substances or environments,700,10.6,4.9,9.3,1.1 Fires and explosions,230,3.5,1.6,0.1,not meaningful (all-occupation rate rounds to 0.1) All events,"14,230",214.5,100.0,86.6,2.5