1996 Threshold Limit Values and Biological Exposure Indices published by the American Conference of Governmental Industrial Hygienists
American Table of Distances, 1991 edition, published by the Institute of Makers of Explosives
National Electrical Code, 2008 edition, published by the National Fire Protection Association
National Fire Protection Association 10: Standard for Portable Fire Extinguishers, 2013 edition
4 Va. Admin. Code § DOCUMENTS INCORPORATED BY REFERENCE (4VAC25-40)
Statutory Authority: §§ 45.1-161.3 and 45.1-180.3 of the Code of Virginia (4VAC25-31-120, 4VAC25-31-130, 4VAC25-31-170, 4VAC25-31-240, 4VAC25-31-360, 4VAC25-31-405, 4VAC25-31-410, 4VAC25-31-420, 4VAC25-31-430, 4VAC25-31-440, 4VAC25-31-450 ).