NACE CIP Level 1 Standards Questions with Verified Answers
(Correct Update)
Question 1: ASTM D3276
Answer: Standard Guide for Painting Inspectors. States that the minimum surface temperature for
coating is usually 40F, max is 125F.
Question 2: ISO 8501 St3
Answer: Very Thorough Hand and Power Tool Cleaning. Same as for St2, but the surface shall be
treated much more thoroughly to give a metallic sheen arising from the metallic substrate.
Question 3: NACE 4 (SSPC-SP7)
Answer: Brush off Cleaning. Same cleanliness as NACE 1 (SSPC-SP5) and tightly adherent mill
scale, rust, and coating may remain on the surface.
Question 4: SSPC-SP3
Answer: Power Tool Cleaning
Question 5: ISO 8501 Sa 2.5
Answer: Very Thorough Blast Cleaning
Question 6: NACE 8 (SSPC-SP 14)
Answer: Industrial Blast Cleaning. Lightly adherent mill scale, rust, and coating residue are permitted
to remain on 10% of each unit area of the surface.
Question 7: SSPC-VIS 3
Answer: Visual Guide for Rust Grades. Rust Grades A-D (A is the worse)
Question 8: SSPC SP-1
Answer: Solvent Pre Cleaning
Question 9: ISO 8501 Sa3
Answer: Blast Cleaning to Visually Clean Steel.
Page 1
(Correct Update)
Question 1: ASTM D3276
Answer: Standard Guide for Painting Inspectors. States that the minimum surface temperature for
coating is usually 40F, max is 125F.
Question 2: ISO 8501 St3
Answer: Very Thorough Hand and Power Tool Cleaning. Same as for St2, but the surface shall be
treated much more thoroughly to give a metallic sheen arising from the metallic substrate.
Question 3: NACE 4 (SSPC-SP7)
Answer: Brush off Cleaning. Same cleanliness as NACE 1 (SSPC-SP5) and tightly adherent mill
scale, rust, and coating may remain on the surface.
Question 4: SSPC-SP3
Answer: Power Tool Cleaning
Question 5: ISO 8501 Sa 2.5
Answer: Very Thorough Blast Cleaning
Question 6: NACE 8 (SSPC-SP 14)
Answer: Industrial Blast Cleaning. Lightly adherent mill scale, rust, and coating residue are permitted
to remain on 10% of each unit area of the surface.
Question 7: SSPC-VIS 3
Answer: Visual Guide for Rust Grades. Rust Grades A-D (A is the worse)
Question 8: SSPC SP-1
Answer: Solvent Pre Cleaning
Question 9: ISO 8501 Sa3
Answer: Blast Cleaning to Visually Clean Steel.
Page 1