MIL-DTL-43377E
Test
Method
967.25, 967.27, 967.28,
Salmonella
986.35, 991.13, 996.08
Oxygen
1/
1/ The determination of the oxygen content in the headspace gas shall be by using an electronic
oxygen analyzer which operates on the principle of the difference in partial pressure of oxygen
between the oxygen reference and the oxygen content of the sample as detected by a porous
zirconia sensor, such as the Illinois Instrument Analyzer or its equivalent: or on the principle of
paramagnetic resonance such as the Servomex analyzer, or its equivalent. The oxygen analyzer
shall be calibrated to a known standard prior to testing the headspace gas of the product.
4.1.3.5. Test results. The test results for oxygen and moisture shall be reported to the nearest 0.1
percent. The test results for salt content to the nearest 0.01 percent. The test results for aerobic
plate count to the nearest 100/g, and E. coli to the nearest 0.1/g. The test results for salmonella
shall be reported as negative or positive in 25 g.
4.1.3.6 Product palatability test. Eight randomly selected cans shall be sent to the laboratory
designated by the Food Safety and Inspection Service, U.S. Department of Agriculture, for
certification of palatability testing in accordance with 7 CFR Part 55 Subpart B. The product
shall be rejected if not found to have a minimum palatability score of 7.
4.1.4 Can leakage examination. Cans shall be inspected for leakage. The sample unit shall be
one filled and sealed can. The lot size shall be expressed in cans. The sealed cans shall be
examined for leakage by submerging the can in water contained in a vacuum dessicator, Mead
Tester, or equivalent device, and drawing a vacuum of 10 inches of mercury (atmospheric
pressure 29.9 inches of Hg) for at least 30 seconds. A leak is indicated by a steady progression
of bubbles and is a major defect. Isolated bubbles caused by air entrapped in the double seam
are not considered signs of leakage. The inspection level shall be S-3 and the AQL, expressed as
defects per hundred units, shall be 1.5.
4.1.5 Can condition examination. Examination of filled and sealed cans shall be in accordance
with the U.S. Standards for Condition of Food Containers.
4.1.6 In-process examination. In-process examination shall be performed to determine
conformance to the preparation and processing requirements. Any nonconformance revealed by
actual examination or by review of records of time, temperature, and formulation or of other
valid documents shall be cause for rejection of the involved product.
4.1.7 Shipping container examination. Shipping containers shall be examined for defects in
assembly, closure, and reinforcement (when applicable) in accordance with U.S. Standards for
Condition of Food Containers.
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