California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 8 - Regulations Relating to Flame Retardant Chemicals, Fabrics and Application Concerns
Article 3 - Registration and Labeling of Chemicals
TEST REQUIREMENTS FOR INTERIOR FLAME-RETARDANT CHEMICALS (WHEN APPLIED TO MATERIALS OTHER THAN FABRICS)
Section 1264.3 - Christmas Trees

The chemical shall be applied to fresh green branches of Douglas Fir, approximately three feet long. The fire-resistance test shall be performed at the completion of the 30-day aging period, and shall be conducted as nearly as practical as described in Section 1237.1. Tests shall be made on several different areas of the treated branch.

There shall be no spread of flame from the area in contact with the test flame, and any afterflaming shall not exceed ten seconds. At the completion of the 30-day aging period, the treated branch shall not lose its needles more readily nor shall they have turned brown to a greater extent than those of the untreated branch similarly aged.

1. New section filed 9-1-50; effective thirtieth day thereafter (Register 21, No. 5).
2. Renumbering of Section 1264.4 to 1264.3 and amendment filed 11-10-60; effective thirtieth day thereafter (Register 60, No. 23).