Hazardous Materials (EPA & OSHA, 29 CFR 1910.120) - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.120 

Familiarization with Reflective Clothing Rule (DOT 23, CFR 634) - https://www.govinfo.gov/content/pkg/CFR-2009-title23-vol1/xml/CFR-2009-title23-vol1-part634.xml

Bloodborne Pathogens (EPA, 29 CFR 1910.1030) - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1030