Wood Toxicity

The following chart appeared in American Woodturner June 1990,
Wood		Reaction	Site	Potency	Source	Incidence

Bald Cypress	S		R	+	D	R
Balsam Fir	S		E,S	+	LB	C
Beech		S,C		E,S,R	++	LB,D	C
Birch		S		R	++	W,D	C
Black Locust	I,N		E,S	+++	LB	C
Blackwood	S		E,S	++	W,D	C
Boxwood		S		E,S	++	W,D	C
Cashew		S		E,S	+	W,D	R
Cocobolo	I,S		E,S,R	+++	W,D	C
Dahoma		I		E,S	++	W,D	C
Ebony		I,S		E,S	++	W,D	C
Elm		I		E,S	+	D	R
Goncalo Alves	S		E,S	++	W,D	R
Greenheart	S		E,S	+++	W,D	C
Hemlock		C		R	?	D	U
Iroko		I,S,P		E,S,R	+++	W,D	C
Mahogany	S,P		S,R	+	D	U
Mansonia	I,S		E,S	+++	W,D	C
		N			+	D
Maple (Spalted)	S,P		R	+++	D	C
Mimosa		N			?	LB	U
Myrtle		S		R	++	LB,D	C
Oak		S		E,S	++	LB,D	R
		C			?	D	U
Obeche		I,S		E,S,R	+++	W,D	C
Oleander	DT		N,C	++++	D,W,LB	C
Olivewood	I,S		E,S,R	+++	W,D	C
Opepe		S		R	+	D	R
Padauk		S		E,S,R	+	W,D	R
Pau Ferro	S		E,S	+	W,D	R
Peroba Rosa	I		R,N	++	W,D	U
Purpleheart			N	++	W,D	C
Quebracho	I		R,N	++	LB,D	C
		C			?	D	U
Redwood		S,P		E,S,R	++	D	R
		C			?	D	U
Rosewoods	I,S		E,S,R	++++	W,D	U
Satinwood	I		E,S,R	+++	W,D	C
Sassafras	S		R	+	D	C
		DT		N	+	D,W,LB	R
		C			?	D	U
Sequoia		I		R	+	D	R
Snakewood	I		R	++	W,D	R
Spruce		S		R	+	W,D	R
Walnut, Black	S		E,S	++	W,D	C
Wenge		S		E,S,R	+	W,D	C
Willow		S		R,N	+	D,W,LB	U
West. Red Cedar	S		R	+++	D,LB	C
Teak		S,P		E,S,R	++	D	C
Yew		I		E,S	++	D	C
		DT		N,C	++++	W,D	C
Zebrawood	S		E,S	++	W,D
I  - irritant		S - skin	D  - dust	  R - rare
S  - sensitizer		E - eyes	LB - leaves, bark C - common
C  - nasopharyngeal	R - respiratory	W  - wood	  U - uncommon
P  - pheumonitis,	C - cardiac
DT - direct toxin
N  - nausea, malaise
1. Woods Toxic to Man, author unknown
2. Woods, B., Calnan, C.D., "Toxic Woods." Br. Journal of Dermatology 1976
3. ILO Encyclopedia of Occupational Health and Safety 1983
4. Lame, K., McAnn, M., AMA Handbook of Poisonous and Injurious Plants, AMA 1985
5. Poisondex, Micromedix Inc. 1990