2 . . . MIL-STD-81OC Downloaded from https://www.everyspec.com ,, For,this assuranoe; at least 90 percent of the part of the surface area of each test,strip located at the level of the test item should be covered by fungi I when inspected visually. If not, repeat the entire test with the required adjustments of the chamber to produce conditions suitable for growth. Leave the control atrips in tbe chamber for the duration of the test; note their condition at this time and record it with the test item data aa described in 11.3.1, step 3. d.
‘If the cotton atrips show satisfactory fungus growth after 7 days, continue the teat for the required period of daya from the time of inoculation (1.4.2a). If there is a decreaae in fungal growth on the cotton strips at the end of the test as compared to the 7-day results, the test ia invalid. 11.3.3.3 Inspection. At the end of the incubation period, inspect the test item immediately. If possible, inspect the item within the chamber. If the inspection’is conducted outside of “thechamber and not completed in 8 hours,, return the test item to the test chamber or similar humid environment for a minimum of 12 hours.
Except for hermetically sealed equipment, open the equipment enclosure and eximine both the interior and exterior of the test item. Record results of the inspection to include that information of 11.4 as applicable, w: Data shall be used for comparison with that obtained in 11.3.1. ! 11.3.4 lkaS_UL. Operation/usage (to be conductedonly if required). 11.3.4.1 If operation is required (e.g. electrical equipment), conduct the operation in the period as specified in 11.3.3.3. Data shall be recorded for comparison with the baseline data obtained in 11.3.1, step 3.
Personnel with appropriate knowledge should be available to aid in exposing interior surfacea ( of the item for inspection and making operational and use decisions. I II.4 UFORMATION TO BE REC- I a. Presence or evidence of fungal growth. I b. Location of fungus. 1 Narrative description of growth, including colors, area covered, growth .c~tterns,density of growth, and thickness of growth. d. Test period. I e. Effect of fungus on performance or use. ~ (1) AS received frcm chamber (2) After use maintenance. METHOD 508.2 . 508.2-14