MIL-DTL-53030 Primer Coating, Epoxy, Water Based, Lead And Chromate FreeThis specification covers the requirements for a water based, air-drying, corrosion-inhibiting, epoxy type primer for pretreated ferrous and nonferrous metals. The primer is lead and chromate free and is compatible with chemical agent resistant aliphatic polyurethane topcoats. The primer contains no more than 2.8 pounds/gallon \(lbs/gal\) \(340 grams/liter \(g/l\) of volatile organic compounds \(VOC\) and is hazardous air pollutants-free \(HAP-free\), as applied.