For brevity, I suggest that you use all sterile disposable single use items, however if you are to reprocess used instruments:

 Classes

• Come to the APP or the APT conference for classes on the subject
• Read the notes from one of the recent APP classes https://brnskll.com/shares/statim/ for a thorough description of some options, including accessible reprocessing technology and practices.
• A brief history of sterilization class online https://brnskll.com/shares/a-brief-history-of-sterilization/
• Attend a Health Educators class https://hlthedu.com/ on the subject (site compromised 11/2022)
• Consider the Fakir intensives https://fakir.org/classes/index.html

Publications

• Read the APP Procedure Manual https://safepiercing.org/publications/
• Read the Piercing Bible https://www.piercingbible.com/

• Healthcare Infection Control Practices Advisory Committee (HICPAC) https://www.cdc.gov/infectioncontrol/guidelines/index.html
• Guideline for Disinfection and Sterilization in Healthcare Facilities, 2008 https://www.cdc.gov/infectioncontrol/guidelines/Disinfection/index.html
• CDC guide to preventing surgical site infections https://www.cdc.gov/infectioncontrol/guidelines/ssi/index.html
• An interpretation of how the above CDC guide to preventing SSI should be applied to body art (written with help from the CDC deputy director) https://piercingexp.com/infection-control-standards/