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 Minimum net retention of active preservative1/
Treating
Assay
Penetration
Form of product and
Pentechlorophenol
specifi-
zone
service conditions
cations2/
(Fed.Spec.TT-W-570)
(AWPA C1
and
others
listed
below)
------------------------Pounds
per
cubic
foot--------------------------
In. and/or
In.
pct of
sapwood
Piles:
C3
For use in coastal waters
In areas where Limnoria
tripunctata and pholads
are known to be active or
in southern areas for which
information on the borer
hazard is lacking the dual
treatmant shall be used
(see table III)
In areas where moderate to
heavy limnoria attack is
expected but pholads
are absent
2.50
2.50
--
--
--
--
--
1.00
and 85
0-1.0
coastal Douglas-fir
2.50
2.50
--
--
--
--
--
4.00
or
0-0.5
Southern pine
1.50
1.50
--
--
--
--
--
90
0.5-2.0
In areas where teredo are
present with light
limnoria activity
3,10/
22.0
1.00
and 85
0-2.0
Coastal Douglas-fir
--
--
4,10/
--
3,10/
--
--
--
25.0
--
25.0
or 90
0-3.0
4.00
Southern pine
In areas where teredo are
present with no limnoria
activity
5/
20.0
1.00 and 85
0-2.0
Coastal Douglas-fir
5/
6/
--
--
--
--
--
--
20.0
20.0
--
4.00 or 90
0-3.0
Southern pine
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