Annotation of standard text ASTM ADJB0537 :
Charts & Photos
A preferred method for evaluating the condition of electroplated test panels that have been exposed to corrosive environments for test purposes. Includes: Nine dot charts (8.5 by 11 in.) that are most useful when assessing the degree of corrosion in industrial locations. Also, nine photographs (3 by 5 in.) that are usually more helpful when determining the extent of corrosion in marine atmospheres.