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e-coli
A bacteria present in sewage and sewage backflows.
effective temperature
The fixed temperature where the effects of humidity and air movement
will produce (secondary damages) saturated air.
efflorescence
Powdery residue of soluble salts, white in color. Moisture
migration through stone, block, mortar, or plaster, and as moisture
evaporates, soluble salts residue is left.
EFS
Exterior Finish System, a ready mix compound of acrylic polymer used
on exterior wall systems.
electrical fire
A fire caused by an electrical wire, device or apparatus.
electrical tape
A non-conducting thermoplastic tape with adhesive used to wrap
electrical joints.
electrolyte
The migration of ions, a substance or liquid that will conduct
electrical currents.
electromotive force
The force or electrical pressure that causes electrons to move.
electron
The nucleus of an atom, the negative particle occurring in atoms.
electronics
The science of dealing with electrons in vacuum, gases, transistors,
etc.
element
Substance of atoms, component, the making of a compound.
emergency lighting
The temporary illumination of a job (loss) site using a standby
generator to power lighting.
emergency power
The temporary supply of electricity using a standby generator.
emergency repairs
The process of providing remedial action to a loss site.
emulsion
Two liquid substances that are insoluble to each other.
enamel
A hard pigment paint having a glossy film.
encapsulate
To enclose within a barrier for testing procedures; isolate.
engineer
One who specializes in putting knowledge to particular use;
electrical, mechanical, civil, chemical, etc.
EPA
Environmental Protection Agency,
US
Federal agency that provides, regulates and enforces clean air and
water Acts for the health and welfare of the public.
equilibrium
The balance between opposing sides, (1) In a water loss equilibrium
exists when the outside humidity and the inside humidity is equal to
each other, or when the number of water molecules escaping a
substance equals the number of water molecules returning to the
substance. (2) When the electromotive force (emf) within a metal is
not producing free energy.
etching
A sketch formation in glass, brass, stainless steel, etc., caused by
a chemical reaction of acids.
ethylene glycol
Anti-freeze
evaporation
The converting of a liquid into a vapor or gaseous state.
exclusion
A contract provision in an insurance policy limiting or excluding
coverage.
exhaust fan
A device used to divert unwanted air away from a room or structure.
expansion joint
A joint or gap in a building structure or concrete slab to allow for
expansion and contraction due to temperature fluctuation.
exterior insulation and finish system
EIFS, as manufactured by Dryvit, etc., a flexible tough insulated
exterior wall system used in new construction and renovation to
provide a durable exterior finish, and is available in varying
textures and colors.
exterior plywood
A multi-ply layer of veneers bonded together with an exterior
(waterproof) glue, CDX.
extraction
The partial removal of a liquid or substance using a vacuum.
