The fungus test assesses the extent to which material will support fungal growth and how any fungal growth may affect performance. The fungus test also identifies how rapidly fungus will grow on the material, and how fungus affects the material, its mission, and its safety for use following the growth of fungus on the material.

Fungus testing is specified in the following:

MIL-T-27, MIL-STD-454, MIL-STD-810, MIL-STD-2036, MIL-S-3928, MIL-E-5272, MIL-E-5400, MIL-T-5422, MIL-T-7743, MIL-V-7899, MIL-M-7969, MIL-A-8064, MIL-K-8144, MIL-E-8189, MIL-R-8236, MIL-M-8609, MIL-C-9452, MIL-G-10228, MIL-I-11867, MIL-C-13486, MIL-F-13926, MIL-STD-13927, MIL-C-14806, MIL-C-15024, MIL-W-16878, MIL-S-20708, MIL-T-21200, MIL-S-22432, MIL-I-22943, MIL-B-23306, MIL-P-24041, MIL-P-24423, MIL-T-28800, MIL-H-83511, MIL-T-0014358, RTCA/DO-160, TA-NWT-000487, ASTM G21-70