Evening star., 1959-12-11

uot water Is used, coolers Should
oe Grained Of refrigerant, or the
IeIrlgerant intake valve should be
sIoSed ano the return valve opened
the refrigerant. Eouipment noi M
under pressure from the pipeline,
or OF which the entire surface il
not reached, such as weigh watts.
Storase watts, foreWarmers, elar-
lners' sepsrators, pasteurization
vatS and pockets. coolers and
cooler covers, bottlers, CAMPER
neaos, etc. either must be treated
separately, or the parts not
tteaehed must be given supplemen-
tary treatment. SO SOB 53. Bac-
terietdel treatment Of entire as
Sembled equipment immediately
prlor 70 days run. The entire as
sembled equipment shall be bsc-
terlcldally treated Immediately
prior 70 the days run. This shall
oe oone by means Of steam, hot
water, or chemical solution, as
IolloEs: isD II steam is used, each
sIoup OF assembled piping shall be
tba tbsasso &c. separately by inserting
maintaining steam hov from The
outlet for minutes after the
temperature Of the drainage Al
Lne outlet has reached 2OOs
Fahrenheit. Covers must he in
pace during the treatment. Obi
II not water is used, this may be
aone by pumping hot water
ttnIouen the entire equipment. the
temperature OF the water and the
perlod OF pumping being such that
the temperature Of the water al
both the inlet and outlet end Of
the assembly will be. at least I70e
Fahrenheit for at least 8 minutes
II the assembly Is so long that II
Is difhcult TO secure this temper
AZURE and time at the outlet end
the equipment should be treated
IN sections, or steam may be in
tIoauced at various stages in the
perature. (cl II a Chlorine sohi.
ton Is used, the solution sppear-
ing a. the outlet shall show the
REQUIRED strength Of so to o00
parts per million at all times The
chlorine solution shall be punaped
tnrough the entire equipment for
at least ? minutes. Unions and
other eonnectors shall be slightly
loosened to permit treatment
eept on lines cleaned In place
Such surfaces as are not
reached BY the chemical solution
snail be treated with steam a.
previously. prescribed, or the sprsy
method OF applying chlorine solu-
tion may be used for such sur
races as are not reached BY
the flowing solution, SO .503 "a.
Sleaned -in-plaee milklines. Clean
ing eno oaeterieidal treatment of
ln,piace pipelines shall be by cir
culatlng cleaning and bacteTicidal
solutions through the lines at an
average velocity Of not less thar
D feet per second. The pipe shall
slope up from the pump TO The
outlet. without any dip 70 provide
Tor seh-drainage Of the solutions,
as required by paragraph SO .5O2--
o. for maintenance OF full lines
curing circulation, to assure con-
tact OF solutions with all milk-con-
tact surfaces A separate pumn Of
ADEQUATE capacity to maintain full
lines for the particular circuit
Shall be provided The circulating
system shall consist Of one or
more solution tanks with a sum
cient capacity to- allow at least IS
inches depth Of solution above the
pump. Valves in the line, except
at the outlet, shall be fully open
70 prevent decrease in velocity
baetericidal solution. An accurate
recording thermometer having q
range Of at least 1909 to oOOo
Fahrenheit shall be connected in
the return line near its down
stream end, and a thermometer
chart record OF the temperature
and time when the line is ex-
posed to cleaning and sanitizinc
SoIutlons shall be maintained.
tnese thermometer-cha record
lngs shall be dated and kept on
file for three months. Used solu-
tions should be discarded, the
solution tank thoroughly cleaned
each day, and fresh solutions pre-
pared daily. Immediately after
conclusion Of the days operations,
all CONNECTIONS between cleaned
in-place lines and processing equip
ment snail be removed, the lines
lO0' to 1909 Fahrenheit, and the
Fnse water continuously dis
'Nrded. Weekly, or oftener II nee
osssary for hot milklines, an acid
cleaning solution heated to 1909 toI
l40e Fahrenheit shall be cireu-
lated at least Is minutes before
discharging, Each day an alkaline
nondepositing cleaning solution
heated from 1909 to l70' Fahren-
lheit shall be circulated for at
least % minutes before diScharg-
ing. II water conditions are such
that deposits form at these tenn
peratures, the water may be soft
ened, or cleaning solutions at
1l5o Fahrenheit shall be used for
at least 80 minutes before dis |
charging. The lines shall be
rinsed: all caps, plugs, and special
fittings shall be removed. brush
cleaned, and hand-sanitized Tin
cluding valve seats, crosses. and !
tee ends); and the lines shall be |
brushed when any deposits exist 1
thereon. After reassembling the /!
lines and before starting milk flow, /
the line shall be santicized BY cir /
culating for 10 minutes either wa
ter maintained at not less than |
1902 Fahrenheit, or a bactericidal
solution containing goo parts per 1
The outside Of the lines shall
be kept clean. Solutions snail
be drained before starting the flow
Of milk. There shall be ncL over
100 colonies per square inches f.
(or 2 peT square centimeter) of
milk-contact surface. S-6.503.25. |
Bother treatment The bother shall
be completely assembled before
using aay Of the methods pre-
In the case Of hot water or chem
ical treatment, the bother must
be operated during the process
so as to assure bactericidal treat
ment Of all valves and fittings.
This Is not required in the case
Of steam treatment, but the valves
shall be individually treated in .
place S-6.503.26. Bottle and can
treatment. II q chemical solution
is used for treating bottles, there /
shall be rinse treatment between .
the wash and chemical treatment |
Chemical bactericidal treatment |
shall comply with the procedures
outlined in paragraph S-6.504 -
In a soaker-type bottle washer, |
in which the bactericidal washing .
compound depends for its action +.
upon its causticity, the caustic .
strength for a given soaking time f.
and temperature shall be as speci- /
fled in the following table When /
caustic Is used, bottles shall be-
given final rinse with water |
kept sterile by means of heat or /
a chemical bactericide. For de- /
termining the strength Of the |
soaker solution, the AB.C.B. /
american Bottlers Of carbonated /
Beverage), Washingtons d. c., al 1
kali teBt or the AB.C.B. caustic |
test shall be used.
CONTINUED in next columnl