Your PDF of SP0170 is the requirement; your shutdown report with pH logs, drying times, and photos is the proof of compliance.
Searching for is your first step toward ensuring the integrity of your refinery, chemical plant, or gas processing facility. This standard is not a recommendation; in many jurisdictions and corporate policies, it is a mandatory practice. nace sp0170 pdf
Do not assume "soda ash" is generic. Verify the concentration of sodium carbonate solution (typically 2-5% by weight) using titration or conductivity. Your PDF of SP0170 is the requirement; your
AMPP - The Association for Materials Protection and Performance NACE SP0170-2018 your shutdown report with pH logs
If your work involves multiple standards, consider purchasing the "Petroleum and Chemical Industry Standards Package," which includes SP0170 along with MR0175, SP0107, and SP0208.