\ Downloaded from https://www.everyspec.com MIL-STD-81OD, 19 July”1983 b. &et. item c~u uratti. The test item configuration is an ,irnportant factor. Even though equipment is to be proteoted by a container, the container e could leak and entrap moisture. A,aa minimum,,the following testing .,config- Urations should be considered: ,,, .!’.,, ,, .: (1) In its’normal shipping/storage container or transit‘cage’;”” .(2) IJnderrealistic storage or use .conditioqs. ~ :,~.. ~‘.(q) With restraints (such as with openings”that are’normally ~, ,’,. .$,!. covered). 4 . . ...’ . .. ...... c. ., ill uuld.QulQ& Review the equipment specifications and requirements documents. Apply any additional..
guidelines necessary.. ..,’ ,.., -! . . . ...} 1:3.3 -e of test fund: Five species ‘oftest fungi are listed in - . 11-3.1.2a. These organisms,were selected because of their ability to degrade Inaterlals,.their worldwide .distribution, and their.stabili.ty. They must,:be... .. used in all.method ,508..3tests. ., .,, ., :... ,,, ...... .. Because the test item is not sterile before testing, ‘other .,,,. .:. a. microorganisms will.be present on the surfaces. When the test item is inoculated.with the five test fungi,,bcth these and the other organisms will, ..: ccmpete for available nutrients.
It.is not surprising to see:organismsother:L than the test,fungi.growing on the,test item at the end Of the teSt. :. ~ :,, . b. Additional species of fungi may be added to those required in this test method. However, if additional fungi are used, their selectionshall.be based on prior knowledge of specific material deterioration. For example,., : ~~ ~ can be employed because of its known specificity for degrading paints. . .. ..... . ....!. I-4~. ... .. . 1-4.1 ~ ,.. . a. Any fungi on the test item must be analyzed to determine if the growth ia on the test item material(s).or on contaminant. ::..’. ,,- .. ., ... b.
Any fungal growth on the test item material(s), whether from the inoculum or other sources, must be evaluated by qualifiedpersonnel for: . (1) The extent.of growth on the compon&t (s) “supportinggr~wth. Table 508.3-I can be used as a guide for this evaluation. (2) .Theimmediate effect that the growth has on the physical characteristics of the test item.“ .. ~ : (3) The long-range effect that the growth could have.ori.“tbe.:teit,‘ ~ item. ,, I ,. . . . ,. , (4) The specific.rnater:al(s) “(nutrient(s))suppo~ting the :growth:~: .;.: .. .. I MET.HOD508:3 19 Ju~y.1983. .,,.. ,,.% ... , 508.3-i