This standard covers the composition, performance requirements, construction practices and workmanship, design, and methods of testing thermosetting fiberglass-reinforced plastic tanks for the storage of water and other liquids. The history of the standard, information regarding the use of the standard, and information to be supplied by the purchaser and the manufacturer are presented in the foreword. The following topics are addressed: scope of the standard, definitions used in the standard, standards referenced, inspection and testing by purchaser, tests, affidavit of compliance; resins, reinforcing materials, and surfacing materials; general requirements, physical and chemical properties, and construction; testing methods for physical properties, hardness, chemical resistance, surface burning characteristics, and hydrostatic testing; retest; marking; and shipping and handling.