# Regulations
1 - - Hazardous waste operations and emergency response.
# Letters of Interpretation
1 - 1926.65(e)(8) - Web-based HAZWOPER refresher training: hands-on training and trainer accessibility.
2 - 1926.65(e)(8) - HAZWOPER refresher training and training documentation.
3 - 1926.65(e)(2) - HAZWOPER refresher training and training documentation.
4 - 1926.65(e), 1926.65(e)(2), 1926.65(e)(8) - HAZWOPER refresher training and training documentation.