MIL-DTL-24441D(SH)
4.5.18 Volatile organic content (VOC) determination. VOC shall be determined in accordance with
EPA Method 24 (40 CFR 60, Ch. 1, Appendix A, Method 24) as follows:
The paint test sample shall be drawn from material prepared as specified in 4.5.1.3.
a.
b. Nonvolatile matter content shall be determined in accordance with EPA Method 24 and ASTM D2369.
Between steps 7.2 and 7.3 of ASTM D2369, in the EPA Method 24, the aluminum foil dish containing the solvent-
paint test sample mixture shall be held in a desiccator for up to 24 hours to cure resin fractions not volatile under use
conditions, but volatile at 105 °C (221 °F). After cure, proceed to step 7.3 of ASTM D2369 and complete all testing
requirement between steps 7.2 and 7.3, this modification does not violate the test procedure.)
4.5.19 Cathodic protection.
4.5.19.1 Panel preparation. Test panels shall be prepared from cold rolled sheet steel in accordance with
QQ-S-698, shall be 150 by 300 by 3 millimeters (6 by 8 by 0.125 inches) (nominal), and blasted using aluminum
oxide abrasive blasting media to a uniform white appearance (no more than 0.01 percent remaining rust) with a
minimum surface profile of 75 µms (3 mils) (nominal) peak to valley when measured in accordance with ASTM
D4417. Panels shall be vapor degreased before blasting, and care shall be taken to prevent recontamination
(especially by fingerprints) before painting. Panels shall be cleaned after blasting with clean, dry compressed air or
vacuum. After blasting, mask off a 60-millimeter (2.5-inches) (nominal) circle in the center of the panel with a non
residue tape or other non residue impervious mask. Apply by spraying 75 to 125 µms (3 to 5 mils) of formula 159
to all exposed metal surfaces. Cure 24 hours at ambient laboratory conditions.
4.5.19.2 Immersion. After removing circle mask, wash bare metal with appropriate solvent to remove all tape
residue and allow to dry. Fully immerse panel in a container of substitute ocean water in accordance with ASTM
D1141 for 48 hours at ambient laboratory conditions. Cathodic protection results shall be as specified in 3.6.10.
4.5.20 HAP content of coatings. Hazardous solvent content of each individual coating shall be determined in
accordance with ASTM E260, or EPA Test Method 311, as applicable. Solvent fractions shall be identified in
accordance with ASTM E1252. Accuracy of the analysis shall be 0.25 percent by weight absolute and the
reproducibility shall be 0.25 percent by weight over a minimum of three runs. Test results shall be reported as
percent by weight of the total paint. The test results for each solvent shall be as specified in 3.4.2.
4.5.21 Hazardous pigments and additives. Soluble and total metal content, except tantalum and tungsten, shall
be determined on a dry paint film of the coatings in accordance with 40 CFR 261, Appendix 11, Method 1311 and
the appropriate test specified in tables IV and V. Asbestos shall be determined on a dry paint film of each individual
coating of the coating system in accordance with OSHA Validated Analytical Method ID-191 reported as percent
per weight of the dry paint film. Soluble metal content shall be reported as milligrams per liter. Total metal content
shall be reported as percent by weight of the dry paint film. The test results shall be as specified in 3.4.3. Tantalum
and tungsten soluble metal content and total metal content shall be analyzed as specified in 4.5.21.1.
TABLE IV. EPA SW-846 - test methods for evaluating solid
waste - physical/chemical methods.
Metal/material
Digestion test method
All metals, except chromium (VI)
3050
Chromium (VI)
3060
Metal/material
Analysis test method
Antimony
7040 or 7041
Arsenic
7060 or 7061
Barium
7080 or 7081
Cadmium
7131
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