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The following is a list of some of the known timbers which can cause a health problems for some  timber workers:-


A-Dead-Finish Acacia cyperophylla F. Muell. (Family: Mimosaceae) Wood splinter and thorns cause skin irritation. Dust causes dermatitis; 

Abura Mitragina ciliata Aubr.et Pellegr (Family: Rubiaceae) Nausea, eye irritation, giddiness;

Afara Terminalia superba Engl. Et Diels (Family: Combretaceae) Splinters cause skin inflamation;

African Blackwood Dalbergia melamoxylon Acute dermatitis, sneezing, conjunctivitis.

African Boxwood Gonioma kamassi (Eckl.) May (Family: Apocynaceae) Irritation to nose and throat, headache, asthma, fainting, shortness of breath, erythema;

African Mahogany Khaya ivorensis C.DC. L. senegalensis A.Juss K. anthotheca (Welw.) C.DC. (Family: Meliaceae) Irritation to mucous membranes, nasal cancer, irritation of alimentary tract;

African Walnut Lovoa trichilioides Harms (Family: Meliaceae) Irritation to mucous membranes, nasal cancer, irritation of alimentary tract;

Afrormosia Pericopsis elata (Harms) van Meeuwen (Family: Papilionaceae) Dermatitis, rhinitis, asthma ;

Agba Gossweilerodendron balsamiferum (Vermoes.) Harms (Family: Caesalpiniaceae) Dermatitis;

Albizzia Albizia falcataria (L.) Fosb. A. minahassae Koord, A. spp. (Family: Mimosaceae) Irritation to nose, eyes, alimentary tract, nausea, dermatitis;

Alder Alnus spp. (Family: Betulaceae) Dermatitis;

Alpine Ash Eucalyptus delagatensis (Family: Myrtaceae) - Irritation to mucous membranes, nose, mouth, throat, genitals, armpits;

American Mahogany Switenia mahogany Jack S. macrophylla King (Family: Meliaceae) Skin irritation, giddiness, vomiting, furunculosis;

Bibu Holigarna arnottiana Hook.f. -(Family: Anacardiaceae) -Sap causes blistering of skin, eye irritation;

Black Bean Castanospermum australe A.Cunn. (Family: Papilionaceae) Dermatitis, itchiness, irritation of mucous membranes;

Black Cherry Prunus serotina Ehrh. (Family: Rosaceae) Wheezing, giddiness;

Blackwood Acacia melanoxylon (Family: Mimosaceae) Dermatitis, asthma, irritation to nose and throat, skin reaction;

Blue Gum (Tasmanian) Eucalyptus globulous Dermatitis;

Brazilwood Caesalpinia echinata Lamb. (Family: Caesalpiniaceae) Headache, nausea, painful swelling of arms, visual disturbances;

Brigalow Acacia harpophylla (Family: Mimosaceae) - Dermatitis, irritation to nose, eyes, throat, groin (Wood and bark dust);
Calophyllum Calophyllum spp. (Family: Guttiferae) Dermatitis, kidney damage, irritation to nose and throat;

Camphor Laurel Cinnamomum camphora Can cause dermatitis and shortness of breath;

Caroba Jacaranda caroba (Veel.) DC. (Family: Bignoniaceae) Dermatitis;

Cashew-Nut Anacardium occidentale L. (Family: Anancardiaceae) Sap causes blisters, wood dust dermatitis;

Chinese Sumach Ailanthus altissima (Mill.) Swingle (Family: Simarubaceae) Dermatitis;

Cocobolo/Kingwood/Rosewood Dalbergia sp Acute dermatitis, sneezing, conjunctivitis;

Cocobolo Dalbergia granadillo Pitt. D. retusa Hemsl. (Family: Papilionaceae) Dermatitis, irritation to nose and throat, conjunctivitis, bronchial asthma, nausea;

Cocuswood Brya ebenus (L.) DC. (Family: Papilionaceae) Dermatitis;

Coolibah (Northern) Eucalyptus microtheca (Family: Myrtaceae) Skin irritation (bark & wood dust).

Cooliman Tree (Shitwood) Gyrocarpus americanus Can cause blindness;

Crows Ash Flindersia australis R.Br. (Family: Rutaceae) - Dermatitis;

Dahoma Piptadeniastrum Africanum (Hook.f.) Brenan (Family: Mimosaceae) Dermatitis, coughing, sneezing, nose bleeding;

Difundu Vitex congolensis De Wild. Et Th.Dur. (Family: Verbenaceae) Dermatitis;

Djohar Cassia siamea Lam. Cassia spp. (Family: Caesalpiniaceae) Skin discoloration, eye irritation, keratitis;  

Douglas Fir (Oregon) Psuedosuga menziesii (Family: Pinaceae) - Dermatitis, giddiness, vomiting, mahogany cough;

East Indian Satinwood Chloroxylon swietenia DC. (Family: Rutaceae) Dermatitis, headache, swelling of scrotum, irritation of mucous membranes;

Ebonies Diospyros sp (Family: Ebenaceae) - Acute dermatitis, sneezing conjunctivitis;

European Beech Fagus sylvatica (Family: Fagaceae) - Nasal and sinus cancer, dermatitis;

European Boxwood Buxus sempervirens L. (Family: Buxaceae) Dermatitis, irritation to nose, eyes and throat;

European Elm ulmus spp. (Family: Ulmaceae) Dermatitis, irritation of mucous membranes, nasal cancer;

European Oaks Quercus sp Dermatitis, sneezing, nasal cancer;

European Walnut Juglans regia L. (Family: Juglandiaceae) Dermatitis, nasal cancer;

Eyum Dialium dinklageri Harms (Family: Caesalpiniaceae) Irritation to nose and throat, dermatitis;
Gaboon Aukoumea klaineana Pierre (Family: Burseraceae) Itchy skin, irritation to eyes and nose;

Grass Tree (Blackboy) Xanthorrhoea sp. Dermatitis and skin reactions;

Greenheart Ocotea rodiaei Mez. (Family: Lauraceae) Headache, wheezing, shortness of breath, disturbance of vision, diarrhoea, erythema;

Grey Box Eucalyptus hemiphloia F. Muell. (Family: Myrtaceae) Eczema, irritation to mucous membranes;

Grey Myrtle Diospyros sp. Skin eruptions (especially from splinters);

Guarea Guarea spp. (Family: Meliaceae) Dermatitis, asthma, nausea, disturbance of vision, headache;

Gutta Percha Excoecaria parvifolia temporary blindness from milky sap in the eye;

Indian Rosewood Dalbergia Latifolia Roxb. (Family: Papilionaceae) Dermatitis; 

Ipe Tabebuia spp. (Family: Bignoniaceae) Dermatitis, shortness of breath, headache, disturbance of vision;

Iroko Chlorophora excelsa Lam. (Family: Moraceae) Dermatitis, furunculosis, oedema of eyelids, respiratory difficulties, giddiness;

Ivorywood Balfourodendron riedelianum (Family: Rutaceae) Dermatitis; 

Jacareuba Calophyllum brasiliense (Family: Guttiferae) Dermatitis, loss of appetite, kidney damage, fainting, insomnia;

Jarrah Eucalyptus marginata Irritation to nose, throat and eyes;

Keruing Dipterocarpus spp. (Family: Dipterocarpaceae) Dermatitis;

Kwila (Merbau) Intsia bijuga.I.palem banica (Family: Caesalpiniaceae) - Irritation to nose and throat, Dermatitis, rhinitis;

Lignum Vitae Guaiacum spp. (Family Zygophyllaceae) Dermatitis;

Limba Terminalia superba (Family: Combretaceae) Splinters may cause festering sores or skin irritation;

Lingue Afzelia africana (Family: Caesalpiniaceae) Irritation to eyes, nose and throat;

Lemon Scented Gum Corymbia citriodara Dermatitis;

Makassar Ebony Diospyros Celebica (Family: Ebenaceae) Dermatitis;

Makore Tieghemella heckelii (Family: Sapotaceae) Dermatitis, nose bleeding, asthma, sneezing, nausea, headache, giddiness;

Mansonia Mansonia altissima (Family: Sterculiaceae) Dermatitis, nausea, vomiting, nose bleeding, sneezing, giddiness, asthma;

Marking Nut Semecarpus australiensis (Family: Anacardiaceae) Sap and wood dust may cause skin lesions, eye irritation, nose bleeding; 

Massaranduba Lucuma procera (Family: Sapotacheae) Dermatitis;  

Meranti (Red, White, Yellow) Shorea spp (Family: Dipterocarpaceae) - Dermatitis, irritation of nose, throat and eyes;

Messmate Eucalyptus obliqua (Family: Myrtaceae) - Dermatitis, asthma, sneezing;

Milky Mangrove Excoecarya agalloche (Family: Euphorbiaceae) Sap may cause irritation to eyes, even temporary blindness, headache, burning of throat, blistering of skin;

Miva mahogany Dysoxylum muelleri (Family: Meliaceae) Congestion of lungs, nosebleeds, headaches, inflammation of nose and eyes, loss of apppetite;

Molompangady Breonia spp. (Family: Rubiaceae) Dermatitis, sores;

Mountain Ash Eucalyptus regnans (Family: Myrtaceae) - irritation to nose, throat and eyes and dermatitis;

Muhuhu Brachylaena hutchinsii (Family: Compositae) Dermatitis;

Mulga Acacia aneura (Family: Mimosaceae) Wood contains a virulent poisonous principle, used for spear heads by aboriginals. Dust may cause irritation to mucous membranes, headache, vomiting;

Muninga Pterocarpus angolensis (Family: papilionaceae) Bronchitis, asthma, dermatitis;

Myrtle Beech nothofagus cunninghamii (Family: Fagaceae) Irritation to mucous membranes;

Needlewood Schima wallachii (Family: Theaceae) Bark causes skin irritation;

New Zealand White Pine Dacrycarpus dacryoides (Family: Podocarpaceae) Dermatitis, irritation to nose, throat;

NG Rosewood/ Padauk Pterocarpus spp Dermatitis, asthma, irritation to mucous membranes;

Nkassa Erythrophlewn le-testui (Family: Caesalpiniaceae) Headache, giddiness, vomiting, disorders of bowels and stomach, irritation to nose and throat;

Northern Coolibah Eucalyptus microtheca Skin irritation;

Northern Silky Oak Cardwellia sublimis Green wood and dust can cause dermatitis;

Nyatoh Palaquium spp. Payene spp Irritation to mucous membranes;

Oak Quercus spp. (Family: Fagaceae) Nasal cancer, dermatitis, sneezing;

Odoum Chlorophora regia (Family: Moraceae) Dermatitis, irritation to nose and throat;

Padauk Pterocarpus sp (Family: Papilionaceae) - Dermatitis, asthma, irritation to mucous membranes;

Palisandre Wood Jacaranda brasiliana (Family: Bignoniaceae) Dermatitis;

Parinari Parinari spp. (Family: Rosaceae) Dermatitis

Pau Amarello Euxylophora paraensis (Family: Rutaceae) Dermatitis

Phoenician Juniper Juniperus phoenicea (Family: Cupressaceae) Nausea, headache, skin irritation

Poison Walnut Endiandra pleurosperma (Family: Lauraceae) - Bark very irritating, breathing problems, vomiting, dermatitis and giddiness.

Poplar Populus spp. (Family: Salicaceae) Asthma, dermatitis, bronchitis

Port Orford Cedar Chamaecyparis lawsoniana (Family: Cupressaceae) Dermatitis

Queensland Maple Flindersia brayleyana Dermatitis

Ramin Gonystylus spp. (Family: Thimelaeaceae) sharp fibres cause skin irritation and infection.

Red Bloodwoods Corymbia gummifera Irritation to eyes and skin.

Red Cedar Toona ciliata (Family: Meliaceae) Violent headache, giddiness, stomach cramps, asthma, bronchitis, dermatitis, irritation of mucous membranes

Red Lancewood Manilkara huberi (Family: Sapotaceae) Dermatitis

Red Peroba Aspidosperma peroba (Family: Apocynaceae) nausea, sweating, asthma, cramps, drowsiness, fainting, irritation of mucous membranes, dermatitis

Red Silky Oak Stenocarpus salignus Irritation to mucous membranes.

Red Siris or Mackay Cedar Albizia toona (Family: Mimosaceae) Dermatitis, bleeding at nose, conjunctivitis, giddiness

Redwood (USA) Sequuioa sempervirens (Family: Taxodiaceae) Dermatitis, asthma.

Rengas Gluta spp and Melanorrhea spp. (Family: Anacardiaceae) - Bark, sap and wood dust irritating to skin, causing dermatitis, blistering, chronic ulcers.

Rimu (NZ) Dacrydium cupressinum (Family: Cupressaceae) - Irritation to nose and eyes.

Rose Butternut Blepharocarya involucrigera (Family: Anacardiaceae) Dermatitis, conjunctivitis

Rosewood Pterocarpus indicus (Family: Papilionaceae) Dermatitis, asthma

Safron-heart Halfordia scleroxxyla (Family: Rutaceae) Splinters cause skin infaction. Dust causes dermatitis, congestion of lungs; 

Sapale Entandophragma cylindricum (Family: Meliaceae) Skin irritation, sneezing;

Satine Brosimum spp. (Family: Moraceae) Excessive salivation, feeling of thirst, nausea;

Silky Beech -Citronella moorei Irritation to nose and eyes;

Silver Silkwood Flindersia accuminata Irritation to nose and throat;

Slash Pine Pinus elliottii Dermatitis;

South American Cedar Cedrela (Family: Meliaceae) Dermatitis, irritation to nose and throat, nasal cancer, asthma;

South American Rosewood Dalbergia nigra (Family: papilionaceae) Dermatitis;

Southern Silky Oak Grevillea robusta (Family: Protaceae) - Skin eruptions, blistering eyelid irritation and dermatitis;

Spotted Gum Corymbia maculata (Family: Myrtaceae) - Dermatitis;

Spruce Picea spp. (Family: Coniferae) Irritation to nose and throat;

Stinging tree Laporteu (Family: Urticaceae) Stinging hairs on leaves and bark have intensely irritating effect on skin, may cause paralysis, breathing problems, severe pain;

Sumac Rhus spp. (Family: Anacardiaceae) Bark causes blisters, dust may cause dermatitis;

Sweetgum Liquidambar styraciflua (Family: Hamamelidaceae) Dermatitis;

Talh Acacia seyal - (Family: Mimosaceae) Dermatitis, coughing, irritation to mucous membranes;

Taun Pommetia pinnata (Family: Sapindaceae) Dermatitis, rhinitis;

Teak Tectona grandis (Family: Verbenaceae) - Dermatitis, conjunctivitis, over sensitivity to light, swollen scrotum, irritation to throat and nose, nausea;

Thorny Yellowwood Zanthoxylum veneficum (Family: Rutaceae) Lesions caused by thorns and splinters take a long time to heal. Dust causes dermatitis, cramp, eye and throat irritation, disturbance of vision;

Turpentine Syncarpia glomifera Inflation of mucous membranes;

Walnuts Juglans spp Nasal cancer, dermatitis and irritation of mucous membranes;

Western Hemlock Tsuga heterophylla (Family: Pinaceae) Dermatitis, eczema by sap or wood dust;

Western Red Cedar Thuja plicata (Family: Cupressaceae) - Dermatitis, asthma, nasal cancer, nose bleeds, giddiness, rhinitis and stomach pains;

West Indian Satinwood Zanthoxylum flavwm (Family: Rutaceae) Dermatitis, giddiness, nausea, lethargy, gangrene, visual disturbances;

White Baltic Picea abies (Family: Pinaceae) Asthma, skin irritation;

White Cedar Thuja occidentalis (Family: Cupressaceae) - Dermatitis;

White Cyprus Pine Callitris columellaris (Family: Cupressaceae) Dermatitis, swelling of eyelids, asthma, irritation of nose and throat, nasal cancer, furunculosis;

White Handlewood Pseudomorus brunoniana (Family: Moraceae) Sap very irritant to eyes, dust causes dermatitis, abdominal pains, nausea;

White Peroba Paratecoma peroba (Family: Bignoniaceae) Dermatitis, asthma;

Yang Dipterocarpus alatus (Family: Dipterocarpaceae) Dermatitis, inflammation of mucous membranes, furunculosis, inflammation caused by splinters;

Yellow Gum Eucalyptus Leucoxylon- (Family: Myrtaceae) Irritation to nose and throat;

Yews Taxus bacatta (Family: Taxaceae) Dermatitis, headache, congestion of lungs, nausea, fainting, irritation of alimentary tract, visual disturbances;


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