Note: For vertical angles of 5° or less, refer to Figure S-4, "Basic Sling Configurations with Vertical Legs." The use of slings with vertical angles more than 60o (horizontal angles less than 30°) is not recommended.
Cal. Code Regs. Tit. 8, div. 1, ch. 4, subch. 7, grp. 13, art. 101, fig. S-5