NACE AMPP SP21513-2021

This standard describes a procedure suitable for laboratory and field use to determine conformance to specified surface profile on concrete substrates using Method 1: Depth micrometer as described in ASTM(1) D8271,1 Method 2: Concrete Surface Profile (CSP) Chips (CSP 1-10) as described in ICRI(2) Guideline No. 310.2R,2 or Method 3: Replica putty as described in ASTM D76823 (Method 3A-visual or Method 3B-quantitative).