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, Basement a story partly below the grade plane and having less than one-half
its clear height (measured from finished floor to finished ceiling) below
the grade plane
Boiling point the temperature at which the vapor pressure of a liquid equals the
atmospheric pressure of 14.7 PSI or 760 mm of mercury.
When a boiling point is unavailable for a material, 20% evaporated point of a distillation performed in accordance with
what is used? ASTM D 86
Chemical an element, chemical compound, or mixture of elements or compounds
or both
Chemical name the scientific designation of a chemical in accordance with the
nomenclature system developed by the International Union of Pure and
Applied Chemistry, the Chemical Abstracts Service rules of
nomenclature, or a name that will clearly identify a chemical for the
purpose of conducting an evaluation
IUPAC International Union of Pure and Applied Chemistry
Closed container a container sealed by means of a lid or other device capable of
preventing the escape of liquid, vapor, or dusts in the ordinary course
of storage, handling, or use
Combustable liquid any liquid that has a closed-cup flash point at or above 100F,
as determined by the standard test procedures
Container - solid and liquid hazardous materials a vessel of 60 gallons or less in capacity used for storage or
transportation.
Container - compressed gases a container pressure vessel or tank designed for pressures greater than
on atmosphere at 68F
What is not deemed a containers if in active use? pipes, piping systems, engines and engine fuel tanks associated with
solid or liquid hazardous materials or compressed gas
Corrosive material a liquid, solid, or gas that causes permanent injury ("full thickness
destruction") to human skin at a rate specified by the Department of
Transportation regulations. Or a liquid that can corrode 1/4in of steel or
aluminum within a year
Design pressure the maximum gauge pressure that a pressure vessel, device,
component, or system is designed to withstand safely under the
temperature and conditions of use
Dispensing the pouring or transferring by other means of any material from a
container, tank, or similar vessel, which would release dusts, fumes,
mists, vapors, or gases to the atmosphere, unless such release is
prevented by a device, equipment, or system designed for that purpose
Educational laboratory unit a laboratory unit that is used for educational purposes for students
through the twelfth grade
Excess flow control a fail-safe system or other approved device, equipment or system
designed to shut off flow caused by a rupture in a pressurized piping
system