Any silo used to store hot mix asphalt or asphalt emulsion concrete
mixtures which meets the following conditions of this section is permitted
by rule:
(1) no cutback asphalt mixtures are stored;
(2) for silos on location for more than six months, all
truck traffic areas are paved and cleaned as necessary to achieve maximum
control of dust emissions and for those silos on location for six months or
less, the truck traffic areas are sprinkled with water and/or chemicals as
necessary to achieve maximum control of dust emissions;
(3) fuel used for heating the silo is sweet natural gas
as defined in Chapter 101 of this title (relating to General Air Quality Rules)
or liquid petroleum gas or first run refinery grade diesel or Number 2 fuel
oil that is not a blend containing waste oils or solvents and that contains
less that 0.5% by weight sulfur;
(4) the silo(s) is located at least 300 feet from any
recreational area, school, residence, or other structure not occupied or used
solely by the owner of the property upon which the silo(s) is located;
(5) before construction begins, written site approval
is received from the executive director and the facility is registered with
the commission's Office of Permitting, Remediation, and Registration in Austin
using Form PI-7.
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