Composite Decking. Composite decking is a strong, durable, and low maintenance material that increases the value of homes by adding beauty and grandeur to outdoor spaces.Made of a combination of recycled plastic fibers and solid wood, it provides the look and feel of natural lumber, at a much more reasonable price.omposite Decking. Composite decking is a strong, durable, and low maintenance material that increases the value of homes by adding beauty and grandeur to outdoor spaces.
OSHA Quick Facts: Laboratory Safety, Chemical Fume Hoods. The fume hood is often the primary control device for protecting laboratory workers when working with flammable and/or toxic chemicals. OSHAâs Laboratory standard (29 CFR 1910.1450) requires that fume hoods be maintained and function properly when used.
1 To prepare the saturated bromine water, put a few milliliters of bromine into a small Erlenmeyer flask containing 100 mL or so of water, loosely stopper it, and let it stand overnight.2  Decant the amount that you need the next day. 3  Do all of this under the hood as bromine is very corrosive and emits corrosive fumes. Saturated bromine water is corrosive and the bromine vapor that it emits is irritating if breathed. 2  Minimize exposure by replacing the stopper as soon as possible. 3  The product of this reaction, bromoacetone is a strong lachrymator.