Current through Register 2024 Notice Reg. No. 49, December 6, 2024
Section 69403.9 - Musculoskeletal Toxicity(a) The musculoskeletal toxicity hazard trait is defined as the occurrence of adverse effects on the structure or function of the musculoskeletal system following exposure to a chemical substance. The musculoskeletal system includes bones, muscles, cartilage, tendons, ligaments, joints and connective tissue.(b) Toxicological endpoints for musculoskeletal toxicity include, but are not limited to those indicating: necrosis, inflammation, discomfort or pain of the musculoskeletal system; arthritis; decreased joint movement; changes in mineral content of bone including tooth mottling; osteomalacia; osteoporosis; bone malformation or other skeletal growth disorders; abnormal bone mass or density indices; tooth loss; cell proliferation or altered ratio of musculoskeletal cells; fibromyalgia; adverse muscle or neuromuscular function.(c) Other relevant musculoskeletal toxicity data include, but are not limited to: in vitro indicators of musculoskeletal toxicity; structural or mechanistic similarity to other chemical substances that are toxic to the musculoskeletal system.Cal. Code Regs. Tit. 22, § 69403.9
1. New section filed 12-20-2011; operative 1-29-2012 (Register 2011, No. 51). Note: Authority cited: Sections 25256.1 and 59012, Health and Safety Code. Reference: Sections 25256.1 and 59012, Health and Safety Code.
1. New section filed 12-20-2011; operative 1-29-2012 (Register 2011, No. 51).