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 (b) The compounds are prepared from substances identified below and are
s u b j e c t to the limitations prescribed:
Cyclohexylamine - Not to exceed 10 ppm in steam, and excluding
use of such steam in contact with milk and milk products
Dlethylaminoethanol - Not to exceed 15 ppm in steam, and
excluding use of such steam in contact with milk and milk
products
Morpholine - Not to exceed 10 ppm in steam. and excluding use
o f such steam in contact with milk and milk products -
Octadecylamine - Not to exceed 3 ppm in steam, and excluding
use of such steam in contact with milk and milk products
5 EMERGENCY PROCEDURES. R e p a i r all piping leaks as soon as possible. If
leaks cannot be repaired with the system in service, make arrangements for a
shutdown. O f t e n the defective line can be isolated by closing sectionalizing
valves while maintaining the service to affected consumers with steam supplied
through an alternate route by means of a loop closure. A loop closure is a
c l o s i n g link of distribution piping that permits the flow of steam through two
or more routes.
6 CASUALTY PLANNING. Piping system operators should be familiar with the
location and arrangement of the piping system, valves, associated equipment,
and controls. Give definite instructions on emergency procedures to
o p e r a t o r s . S c h e d u l e and carry on periodic fire drills, inspections, and other
emergency procedure tests. T r a i n operators in the use of available fire
fighting and emergency draining equipment.
3-18
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