Ad
related to: is western red cedar toxic
Search results
Results From The WOW.Com Content Network
The ACGIH has recommended a 0.5 mg/m3 Threshold Limit Value for western red cedar based on its asthma effects. Certain species of hardwood—such as oak, mahogany, beech, walnut, birch, elm, and ash— have been reported to cause nasal cancer in woodworkers. This is particularly true when exposures are high. [3]
Thuja plicata is a large evergreen coniferous tree in the family Cupressaceae, native to the Pacific Northwest of North America. Its common name is western redcedar in the U.S. [2] or western red cedar in the UK, [3] and it is also called pacific red cedar, giant arborvitae, western arborvitae, just cedar, giant cedar, or shinglewood. [4]
Not only sawdust which in and of itself poses a fire hazard, but the generation of fine dust particles creates an even bigger hazard. Organic dust particles are highly flammable and under favorable conditions, highly explosive. In addition, some forms of wood release toxic materials when being cut; Western Red Cedar is one example.
The highest concentrations of plicatic acid can be found in Thuja plicata (western red cedar), but Thuja occidentalis (eastern arborvitae) and Cryptomeria japonica (sugi) contain it in significant proportions as well. Exposure to plicatic acid or Thuja wood dust can worsen asthma and provoke allergic reactions. [1]
Cedar waxwings are a year-round inhabitant of central North Carolina, but are more commonly spotted in winter. They often travel in flocks of 50 to 100 or more birds.
Thuja plicata Donn ex D. Don (Western red cedar) – a tree belonging to the Cupressaceae family from which thujaplicins were first purified. Thujaplicins were discovered in the mid-1930s and purified from the heartwood of Thuja plicata Donn ex D. Don, commonly called as Western red cedar tree. [5]
Red Dye No. 3 is an artificial food coloring derived from petroleum, commonly added to foods, drinks, supplements and drugs to create an appealing cherry-red or pink hue.
Juniperus virginiana foliage and mature cones. Juniperus virginiana is a dense slow-growing coniferous evergreen tree with a conical or subcylindrical shaped crown [8] that may never become more than a bush on poor soil, but is ordinarily from 5–20 metres (16–66 feet) tall, with a short trunk 30–100 centimetres (12–39 inches) in diameter, rarely to 27 m (89 ft) in height and 170 cm (67 ...