Quantcast Table II. Treatment of Round Wood Products -Cont. - mo3120209

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Minimum net retention of active preservative1/
Form of product and
Penetration
Assay
Treating
service  conditions
Zone
Pentachlorophenol
specifi-
cations  2/
(Fed.Spec.TT-W-570)
(AWPA C1
and
others
listed
below)
------------------------Pounds
per
cubic
foot--------------------------
In. and/or In.
pct of
sapwood
Piles  (cont.)
For land or fresh water use
Coastal Douglas-fir,
western  hemlock,
1.00
--
--
--
1.00
17.0
17.0
0.85
0.75 and 85
0-1.00 17.0
lodgepole  pine
--
--
--
3.50 or 90
0-3.00 12.0
Southern  and  ponderosa
0.80
0.80
12.0
12.0
0.60
pines
--
--
--
12.0
12.0
0.60
1.50 or 85
0-2.00 12.0
Jack pine
0.80
0.80
--
--
--
12.0
12.0
0.60
2.50 or 85
0-2.00 12.0
Red Pine
0.80
0.80
Poles
(round):
C4
Building  11/
C23
--
--
--
--
--
2.5 or
0.25-1.00
12.0
Coastal Douglas-fir
0.60
0.60
0.60
half of
radius
and 90
--
--
--
--
--
.60
...do...
Southern and ponderosa
0.60
0.60
0.50-2.00
12.0
pines
--
--
--
--
--
...do...
Red Pine
0.60
0.60
.68
0.10-1.60
13.5
Utility
C4
12/
0.25-1.00  12/ 9.0,
0.60
--
--
--
0.45,
0.75
0.75
0.60
0.75 and 85
Coastal Douglas-fir
0.60
12.0
12/
0.50-2.0012/ 7.5,
0.60
0.56
0.56
--
0.60
--
--
.38,
3.00 or
90
Southern  and
ponderosa
9.0
0.45
pines
12/
12/
0.60
0.85
0.85
--
0.60
--
--
0.53,
2.50 or 85
0.10-1.60 10.5,
Red Pine
0.68
13.5
12/
0.10-0.75  12/12.0,
--
0.60
--
--
0.60,
1.00
1.00
0.60
1.50 or
85
Jack Pine
16.0
0.80
12/
0.10-0.75  12/12.0,
0.60
1.00
1.00
--
0.60
--
--
0.60,
0.75 and 85
Lodgepole
Pine
0.80
16.0
Interior  Douglas-fir,
0.60
1.00
1.00
--
0.60
--
--
0.80
0.50 and 100 0.10-0.60
16.0
western  larch
--
0.60
--
--
1.00
1.00
0.60
0.50 or  100 0.10-0.60
16.0
0.80
Western redcedar





 


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