The 4th edition of Caring for Our Children: National Health and Safety Performance Standards Guidelines for Early Care and Education Programs by the American Academy of Pediatrics, American Public Health Association, and National Resource Center for Health and Safety in Child Care and Early Education is available for free online. This 600+ page resource provides standards for just about any health, safety, or nutrition. It is copyrighted and freely accessible digitally (but a request for permission to use in OER was denied).