Specimen Group

Exposure Time*, yr

Avg Corrosion Rate, mpy (mm/yr)

CAC:

Atmospheric Exposure

1

0.64 (0.02)

CAC:

Waterline Immersion

1

5.39 (0.14)

5

1.12 (0.03)

Type I

OPC Concrete:

Waterline Immersion

2

1.64 (0.04)

6

0.84 (0.02)