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(a) No fuse except safety fuse shall be used for fuse cap blasting.
(b) The average burning rate per foot of safety fuse used shall be determined by burning not less than three, 3-foot lengths of such fuse in open air at or near the blast area. Safety fuse which varies more than 10 percent from the manufacturer's stated burning range shall not be used.
(c) Notice shall be displayed conspicuously at the work location, stating the burning rate of safety fuse used.
(d) Damaged safety fuse shall not be used.
(e) If the roll of safety fuse has not been fully used and is stored for future use after blasting has been completed, the average burning rate shall be re-determined prior to use as required by subsection (b).
Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of section and new Note filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).