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 TABLE 6-1
Brands Used on Forest Products Treated in Accordance with
Standards of the American Wood Preservers' Association
PRESERVATIVES
TYPICAL BRAND AND KEY
Organic Preservatives
B
Copper napthenate in creosote
ABCO
Supplier's Brand
C
Creosote
D
Plant Designation
CM Creosote for marine use
60
Year of Treatment
PB
Pentachlorophenol in Volatile Petroleum
SPC
Species of Timber and
Solvent (LPG)
Preservative Treatment
---
PC
Pentachlorophenal in Light Hydrocarbon
Retentions
Solvent
7-30
Class and Length
PD
Pentachlorophenol in Chlorinated
Hydorcarbon Solvent
SPECIES
N
Copper naphthenate in petroleum
AS
Ashes
PA Pentachlorophenol in petroleum
BE
Beech
TA 80/20 Creosote-Coal Tar Solution
BI
Birches
TB
70/30 Creosote-Coal Tar Solution
BW
Black Walnut
TC
60/40 Creosote-Coal Tar Solution
DF
Douglas Fir
T D 50/50 Creosote-Coal Tar Solution
ED
Northern White
TM Creosote-Coal Tar Solution for
(Eastern) Cedar
Marine Use
ES
Engelmann Spruce
XA 80/20 Creosote-Petroleum Solution
Gum
GU
XB 70/30 Creosote-Petroleum Solution
HI
Hickories
XC 60/40 Creosote-Petroleum Solution
JP
Jack Pine
XD 50/50 Creosote-Petroleum Solution
LO
Locust
LP
Lodgepole Pine
MA
Maples
Note: Double treatment, salt and creosote,
NP
Red Pine
letter "C" to be placed ahead of salt symbol.
OA
Oaks
Where organic preservative is other than
RW
Redwood
creosote, use the symbol for that preservative
SP
Southern Pine
instead of the symbol for creosote.
SS
Sitka Spruce
WC
Western Red Cedar
WF
Western Firs
WH
Western Hemlock
WL
Western Larch
(Western Tamarack)
WP
Ponderosa Pine
WS
White Spruce
YC
Alaska Yellow Cedar
6-8
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