UC4C

Ground contact or fresh water Critical structural components

Sawn Product

84.4%

1.0%

5.0%

0.0%

5.0%

0.0%

5.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Round piling

75.0%

21.0%

20.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Posts

75.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

UC 4A, B, & C

Ground Contact

Poles

82.6%

52.0%

46.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Crossties

23.8%

0.0%

10.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

UC5A

Salt or brackish water and adjacent mud zone Northern waters

Sawn

Product

59.9%

0.0%

3.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Piles

75.0%

2.0%

5.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

UC5B

Salt or brackish water and

adjacent mud zone NJ to GA, south of SanFran

Sawn

Product

59.9%

0.0%

2.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Piles

75.0%

3.0%

4.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

UC5C

Salt or brackish water and adjacent mud zone South of GA, Gulf Coast, Hawaii, and Puerto Rico

Sawn

Product

59.9%

2.0%

1.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Piles

75.0%

3.0%

2.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

UC 5A, B, & C

Marine Exposure

Plywood

100.0%

1.0%

2.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Total Use for Each Preservative:

100%

100%

100%

100%

100%

100%

100%

100%

100%

100%

100%

Average Retention for Each Preservative (pcf)

0.702

0.749

0.090

0.348

0.139

0.144

0.091

0.306

0.191

0.018

0.012

Copper Fraction

14.8%

39.9%

8.4%

53.3%

50.0%

96.1%

96.1%

37.7%

49.1%

0.0%

0.0%

Arsenic Fraction

22.2%

16.3%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

0.0%

Avg Copper Retention (pcf)

0.10

0.30

0.008

0.19

0.07

0.14

0.088

0.12

0.09

0.00

0.00

Avg Arsenic Retention (pcf)

0.16

0.12

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00