TM 10-3930-659-20 Table 3-1.  Preventive Maintenance Checks and Services (PMCS) (Con't). Location Not Fully Item Item to Mission No. Interval Check/ Service Procedure Capable If: 12 Semiannually Batteries (Con't) WARNING • Battery gases can explode. DO NOT smoke or allow sparks or open flames near batteries.  Wear safety glasses or goggles when checking batteries.  Failure to follow this warning may result In death or serious Injury to personnel. • Sulfuric acid contained In bat- teries can cause serious burns.  If battery corrosion or electrolyte makes contact with skin, eyes, or clothing, take Immediate action to stop the corrosive burning effects. Failure to follow these proce- dures may result in death or serious Injury to personnel. a.  Eyes.  Flush with cold water for no less than 15 minutes and seek medical attention Immediately. b.  Skin.  Flush with large amounts of cold water until all acid Is removed.  Seek medical attention as required. c.  Internal.  If corrosion or electrolyte  Is  Ingested, drink large amounts of water or milk.  Follow with milk of magnesia, beaten egg, or vegetable oil.  Seek medical attention Immedi- ately d.  Clothing/Equipment.  Wash area with large amounts of cold water.  Neutralize acid with baking soda or house- hold ammonia. 3-7