Evening star., 1959-12-11
OFFICIAL NOTICES
IcONTINIIEnA

ANAlAAALA NAa@A AAAAAAANA cAA1A d
checked daily By the plant opera
tor against the temperature shoWE
BY the indicating Thermometer
and the readings shall be re,
corded on the instrument chart
The recording thermometer shal
be kept adjusted so IS. at no time
70 read higher than the indieatinl
Thermometer. No batch Of milk ol
milk products. shan be .pasteuri'
zed unless II Is suiicient in Voluml
20 cover the bulbs Of both thS
indicating and recording thermo.
meters. S-6.504.213. Assurance
Of minimum holding periods
Holders shah be so operated thai
every particle OF milk will havi
been held at 143o Fahrenheit con,
tinuously for at least 80 minutes
II milk is raised TO pasteurizatior
temperature IN the vat, and cool
taneously with, or before, thi
opening Of the outlet valve. the
recorder chart shall show 81
minutes at 143s Fahrenheit. II
milk is preheated to pasteuriza
ton temperature before entering
the vat, the recorder chart shall
show so minutes at 143o Fahren.
heit,. plus the filling time from
the level Of the recorder bulb. II
Sg0AAAAk 10 uEkAu III NuE
holder after the opening Of ths
outlet valve, OF is done entirely
outside the holder, the chart shall
show 80 minutes at l43' Fahren-
heit, plus the emptYing time 20
the level Of the recording thermO-
meter bulb. II the recorded time
interval on the recorder chart at
1899 includes filing or emptying
time, or both, such Intervals shall
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the recorder chart by: I'D remoV-
ing the ACKNOWLEDGEMENTS
bulb from the milk for a sufncient
time 10 depress the pen; or lii)
turning cold water into the va
Jacket at the end Of the holding
period: or (iiD inscribing the
holding time on the chart. The
flling hme and the emptying time
4hal Be determined BY the Direc-
toT OF Public Health for each
nolder so operated, upon inStalla-
tion, before use, and after any
change which may AFFECT these
times. No milk shall be added TO
the holder after the start OF the
holding period. There shall be no
raw-milk bypass around the holder
St. .5O4. 214. Recording thermo-
meier charts. See subsection s.
p;S09 ps o; ,,,s. 80 S61.L:Y ,S04 ~ Tine and
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discharge systems, and manual
systems not equipped for heating
in the holder. S-6 504 .221. Main
tenanee Of pasteurization tempera-
ture. Each 30-minute automatic
discharge system, as well as each
manual-diseharge system not
equipped for heating in the holder,
shah be equipped with a depend
able thermoStatie control so de-
siEned and set as 10 cause every
particle Of milk and milk product
70 be heated automatically to at
least l43' Fahrenheit, and shall
meet the following requirements:
tal Milk-how stop required. All
eutomatic-discharge systems. and
manual-discharge syste not
equipped for heating In the holder,
shall be equipped with an auto
matte milk-fiow stop which COM
nlieS with paragraph S-6.5O4 III.
(b) Setting Of milk-ficw- con-
tToller; The control mechanism OF
the milk-t1ow stop shall be so set
and sealed that the forward fiow al
milk cannot start unless the tenn
perature at the stop bulb Is At
or above 1872 Fahrenheit, ana
during the descending tempera-
ture the forward fiow OF milk shall
stop before the temperature Al Inc
stop bulb Is below 143' Fahrenheit.
me seal shall De applied BY the
director Of Public Health after
resting, and shall not be removed
gltnoue Immediately notifying the
director Of Public Health. The
no milk can be bypassed around
yhe noW-stop bulb. which shall not
be removed from its proper post
tion during the pasteuriZation
process, The eut-in and eut-out
temperatureS shown by the in
Cheating thermometers Sh.V Be
determined daily BY the pasteuri-
Eng, milk plant operator. and
Shs4 oe entered upon the record
R.Lhermometer chart. (el Manual
ssNltehes. Manual switches for
homogenizers. or other n,
vices which produce noW through ~
the holder shall be wired
IN such a manner that the circuit
Is completed only when the mil
Is at or above 143o Fahrenheit
unless. the milk-how stop Is Of the
diversion type in which case the
pump shall be operated only when
Esh,enlp3esr tne temperature is above 143'
the fully diverted position, (d1
Holder heaters. II the holder y X
provided with q heater, II shall be
50 designed and connected with
the upstream-m -milk-fiow stop as
20 stop the milk flow into the
holder when its heating medium
drops below the required tenn
perature setting Of its thermoStat,
and automatically restart the
milk nov when the required tenn
persture Is reestablished. such
n0NHAF hAnfnWg shan -
with thermometer for indica-
ylng the temperature Of the heat
lng medium. and the thermostat
&hau be set and sealed BY the
Director Of Public Health before
use. TO prevent the heating medi-
om OF any holder heater from
accidentally becoming a cooling
medium, 1t shall not be perna-
nenty connected to a water
makeup line; steam heaters which
ere provided With a trap to elimi-
excepted. (e) Temperature loss
during holding period. The sys-
TEN shall be so designed that no
particle Of milk therein can, from
the time u leaves the dow-stop
bulb until the termination of the
required holding period, drop in
temperature. A significant tenn
perature drop shall mean q tenn
perature drop Of more than one
degree Fahrenheit when all auto
matieaIy controlled holder heaters
more mo 0pefihns thaas e9nslnuogsl{, FsS,.nn.It OF St
when ali automatically controIled sdlsnsti
heaters cease operating al the
beginning Of the holding period,
All 3e-minute holders with I'M
stream milk -fow stops shall be
tested for Significant temperature
drop BY the Director Of Public
Health upon installation. before
use; and whenever the controller
seai Of the, automatic holder
neateE l.,,, is broken. % Location Of
stop shall be located between he
heater and the holders. (g) Lo-
cation Of milk-hov-stop bulb II
the milk-how stop is OF the
pump-stop type, its bulb shall be
located IN the milk within the
influence Of the heating medium.
either at the heater outlet or in
the. holder inlet line II the latter
Is heat -taeketed from the heater
70 the bulb. position. If the fiow
STOP is of the. how-diversion type
milkline not over is inches upe
stream from the diversion device
ih) Temperature loss In holder
inlet line. To prevent appreciable
milk-temperature drop between
the milk-fiow-Stop bulb and the
holders, all inlet lines between
the milk-tlow-stop bulb and the
holder should not exceed IS inches,
and all milk in all parts thereof
shall flow constantly toward the
holoer when the .milk-how stop
Is in the forwsrd-foy position
from the milk -flow-stop bulb shall
automatically drain completely
and quickly, either forward into
the holder, or back to the milk
fow-stop bulb when the milk-fiow
stop goes into the stop position.
For multiple-holder systems In
which the milk inlet line enters
the holders ABOVE the maximum
level, of the milk therein, and
which have separate inlet valves
valves and the inlet nader con-
Meeting them shall be at the same
level. and the header must be so
1ooped. or otherwise arranged, to
assure constant forward flow at
all points and all times when the
now stop Is in the forward-f1ow
position. For holder systems in
Wnlch the milk inlet line enteTr
the holder at ans point below tn
maximum level Of the milk there
in. the milk-flow-stop bulb shall
unless the inlet lines are designef
to drain automatically back tc
the bulb or forward into the
holder immediately following each
assumption of the stop position.
be located immediately adiaceni
TO the point at which the mill
enters each holder. ~ Gravitv
now of subtemperature milk
Where the milk-how stop is the
milk k-pump-stop type, all forward .
gravity flow Of subtemperature
milk during pump shutdown shall .
be prevented by one of the follow
ing methods: IL. For top inlets. I
where the inlet line downstream .
from. the stop bulb n self-drain- I
ing into the holder during pump .
shutdown, by locating the nearest /
free milk level upstream from the I
bulb below the elevation Of the |
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