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 TABLE 5-1
Wood Products and Usage, Preservative Types and Retentions,
and Applicable Standards*
MATERIAL AND USAGE
--- Retention by Assay of Treated Wood--lbs./cu.ft. ---
TIES: Crossties, Switchties and Bridge
ties
7.0 7.0
(Beech, Birch, Maple)
7.0 0.35
C2/C6 Table I None
(Red Oak)
-- Treat to Refusal --
C2/C6 Table I None
(Black and Red Gum)
10.0 10.0 10.0 0.50
C2/C6 Table I None
(Ash, Black and Honey Locust, Hickory,
Black Walnut, White Oak and Interior
Douglas-fir)
-- Treat to Refusal --
C2/C6 Table I None
(Coastal Douglas-fir, Western Larch,
Southern and Ponderosa Pines, Western
8.0 8.0
8.0 0.40
C2/C6 Table I None
Hemlock)
(Jack and Lodgepole pines)
7.0 7.0
7.0 0.35
C2/C6 Table I None
TIMBERS
COASTAL WATERS--WHERE:
Teredo, Limnoria, Pholads Present
(See Dual Treatment at end)
Limnoria Heavy, No Pholads
(Central Douglas-fir, Western Hemlock
C18
Table I MLP
and Southern Pine)
2.50 2.50 2.50
Teredo Present, Limnoria Light
(Coastal Douglas-fir, Western Hemlock
25.0
C18
Table I MLP
2.50 2.50 2.50
and Southern Pine)
Teredo Present, No Limnoria
(Coastal Douglas-Fir, Western Hemlock
20.0
C18
Table I MLP
and Southern Pine)
5-10
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