HAMMERMILL - A broad category of high-speed equipment that uses pivoted or
fixed hammers or cutters to crush, grind, chip, or shred solid wastes.
HAZARDOUS WASTE - A solid waste or combination of solid wastes, which because
of its quantity, concentration, or physical, chemical, or infectious
1. cause, or significantly contribute to an increase in mortality or an
increase in serious irreversible, or incapacitating reversible illness;
2. pose a substantial present or potential hazard to human health or the
environment when improperly treated, stored, transported, or disposed
of, or otherwise managed.
HEAVY METALS - Metallic elements of higher atomic weights including, but not
chromium, tin, thallium, and selenium.
HEURISTIC ROUTING - The direction and organization of collection vehicles*
pickup paths based on previous experience and accepted rules of thumb. It is
considered advantageous to computer (or deterministic) modeling in that
heuristic routing is less time consuming and less costly.
HIGH--GRADE PAPER - Letterhead, dry copy papers, miscellaneous business forms,
stationery, typing paper, tablet sheets, and computer printout paper and
HYDRAULIC CONTINUITY - In direct contact with a water-bearing formation
(aquifer) or body of water (pond or stream) with no flow interruptions.
INCINERATION - The process of burning refuse in an incinerator.
INFECTIOUS WASTE - (See Section 4.4)
1. equipment, instruments, utensils, and fomites of a disposable nature
from the rooms of patients who are suspected to have or have been
diagnosed as having a communicable disease and must, therefore, be
isolated as required by public health agencies;
2. laboratory wastes, such as pathological specimens (for example:
tissues, specimens of blood elements, excreta, and secretions
obtained from patients or laboratory animals) and disposable fomites
(any substance that may harbor or transmit pathogenic organisms)
3. surgical operating room (pathological) specimens and disposable
fomites attendant thereto, and similar disposable materials from
outpatient areas and emergency.
KNIFE MILL - Size reduction apparatus where material is caught between fixed
and rotating kr:ives located on an armature. Size reduction is by shearing.
MAGNETIC SEPARATOR - A device that removes ferrous metals by means of magnets.