Downloaded from https://www.everyspec.com -,/ ~L-sTD-810D 19 July:1983 METHOD 508.3 FUNGUS Ease I-1 I-2 I-3 SECTION I PURPOSE . . . . . . . . . . . . . . . . . . . . . . . . . ENVIRONMENTAL EFFECTS . . . . . . . . . . . . . . . . . . GUIDELINES FOR DETERMINING TEST .. . . . . . . . . . PROCEDURES AND TEST CONDITIONS . . . . . . . . . . . . SPECIAL CONSIDERATIONS . i . ,. . .. .,. . . . . . . . . REFERENCES . . . . . . . . . . . . ... . .... . . . . 508.3-1 508.3-1 . 508.3-2 508.3-4 508.3-5 I-4 I-5 11-1 II-2 II-3 II-4 SECTION II APPARATUS . . . . . . . . . . . . . . . . .. . . . . . . . PREPARATION FOR TEST . . .. . . . . . . . . . . . . . . . PROCEDURES . . . . . . .... .. . . . . . .
INFORMATION +0.Bi ;E:ORDED” . . . . . . . . . . . . . . . 508.3-7 508.3-9 508.3-10 508.3-15 ,. ... SECTION I I-1 ~. The purpose of’‘the fungus chamber teat is to assesa the extent to which the,test item will support fungal growth or how the fungal growth may affeot performance or uae of the test item. 1-2 ~. Fungal “growthimpaira the functioning or uae of equipment by ohanging its physical properties. .. I-2.1 Detrimental effecti. The detrimental effects of fungal growth are summarized as fol1’OWS: a. Uect attack on materi~. Nonresistant materials are susceptible to direct attack as the fungi break the material down and use it as food.
This results,in deterioration affectingthe physical properties of the material. Examples of nonresistant materiala are: (1) Nattu . (Producte of natural origin”are most sus- ceptible to this attack.) , . (a) Cellulosic materials (e.g....wood, paper, natural fiber textiles, and cordage). (b) Animal- and vegetable-based adhesives. (c) Greaae, oils, and many hydrocarbons. (d) Leather. METHOD 508.3 19 July 1983 508.3-1 \