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 Acceptable Species
Code
Southern Pine
SP
Coastal Douglas Fir
DF
*GU
Gums
Jack Pine
JP
Lodgepole Pine
LP
Oaks
*OA
RW
Redwood
Western Hemlock
WH
WL
Western Larch
WP
Ponderosa Pine
*Hardwoods are not recommended for use with ACA, CCA,
Note:
ACZA.
Code
Acceptable Preservatives (Check Specifications)
Creosote (Code indicates types of creosote)
C, TA, TB, TC,
TD
Ammoniacal Copper Arsenate (ACA)
SB
Chromated Copper Arsenate (CCA)(Types C,A,B)
SK, SC, SJ
Ammoniacal Copper Zinc Arsenate (ACZA)
SZ
Creosote or pentachlorophenol treated products should not be
Note:
used in any indoor structure or where there is possibility of contact
with humans, animals, or food products.
Acceptable Quality Marks: AWPB Marks as indicated.
LP-22 - Treated with ACA, CCA, or ACZA to a minimum retention of
0.4 pcf.
LP-55 - Treated with creosote to a minimum retention of 10 pcf.
C-8
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