jacket only.
2.11.12.2
Spore Strip
A test spore strip shall be placed in tray with instruments, protected from
water. A control and the test spore strip shall be inoculated with a
mixture of Bacillus stearothermophilus spores with a population adjusted to
survive 132 degrees C 270 degrees F for 20 seconds and be killed when
exposed to 132 degrees C 270 degrees F for 120 seconds 2 minutes.
2.11.12.3
Processing and Evaluation
Load shall be processed through one complete wash-rinse-sterilize cycle,
load removed and articles examined for visible soil in 1076 Lx 100
foot-candles of light. Presence of any soil is cause for rejection. Spore
strips shall be removed and incubated together with control strips
according to manufacturer's directions. Test strips shall show no growth
while control strips shall. Failure of growth in control strip shall be
cause for rejection of test, and complete test shall be rerun.
2.11.12.4
Test Utensils and Instruments
One full chamber load shall be composed to include one rack and a mixture
of the following items:
a. Basin, solution, stainless steel, nominally 350 mm 14-inch diameter.
b. Bedpan, stainless steel.
c. Bottle, one liter, sterile fluid storage.
2.11.12.5
Standard Test Soil
Test soil shall be a homogeneous mixture of the following:
Test Soil
Quantity
_______________________________________________________________
Peanut Butter.
100
grams.
Butter.
100
grams.
Flour.
100
grams.
Lard.
100
grams.
Dehydrated egg yolk.
100
grams.
Evaporated milk.
150
ml.
Distilled water.
500
ml.
India ink.
40
ml.
Printing ink, diluted 1:1 with boiled linseed oil.
100
drops.
Blood agar base (dehydrated).
10
grams.
1 Normal Solution Sodium Hydroxide.
30
ml.
2.11.13
Service Characteristics
**************************************************************************
NOTE: Rinse water below can be either tap or
pretreated water, such as demineralized, distilled,
or soft water.
**************************************************************************
[Include electrical power indicator-recorder that will, throughout each
SECTION 11710
Page 20
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