The Patented 2-way shut-off feature in both directions and Bon-Aire ergonomics rubberized comfort grip, makes watering a breeze. The Bon-Aire ORIGINAL ULTIMATE Hose Nozzle fits any standard garden hose (5/8 in or larger recommended for optimal performance).
Vapor-forming chemicals may include: 1  volatile organic compounds (VOCs), such as trichloroethylene and benzene. 2  select semivolatile organic compounds, such as naphthalene. 3  elemental mercury.  some polychlorinated biphenyls and pesticides.
In buildings with lower concentrations of vapor-forming chemicals arising from vapor intrusion, the main concern is whether the chemicals may pose an unacceptable risk of health effects due to long-term (i.e., chronic) exposure to these lower levels.