Ariz. Admin. Code § R11-1-1521
Where practical, storage tanks shall be lower than the unloading site.
Former Rule 15:21.
REFERENCES ON H2SO4:
“Handling and Storage of Hazardous Materials -- Sulfuric Acid,” Accident Prevention Manual for Industrial Operations (4th Edition), Chapter 18, Section 18-15.
“Dangerous Properties -- Storage & Handling of H2SO4“, Erving Sax Handbook of Dangerous Materials (3rd Edition), Section 7, Page 208.
Dangerous Chemical Code (Fire Department, Los Angeles, California, Parker & Company).
Manufacturing Chemists Association (1625 I Street, N.W., Washington, D.C.), Manual Sheets, No. 1, “Unloading Hazardous Material from Tank Cars,” Page 195; No. 2, “T.C.I. Tank Cars, D.O.T. Specification” No. 103-A, “Unloading Cars Filled With H2SO4”; No. 3, “SD-20 Sulfuric Acid Revised Sheet”.
Manufacturing Chemists Association, “Guide for Safety in Laboratories”; Manual FD-20, Sheets T-7, T-7A, T-8.
National Safety Council, “Storage & Shipping (corrosive materials),” Vol. 1, Data Sheets No. 325.