Chemicals of the surface treatment type which are intended for the flame-retardant treatment of wooden and compressed cellulose fiber decorative materials shall be capable of being readily applied by brush or spray to achieve the required coverage.
Approval of chemicals for the flame-retardant treatment of compressed cellulose fiber and wooden decorative materials shall be based upon tunnel test results when performed by a laboratory properly equipped and staffed to make the test.
Chemicals which achieve a maximum fire hazard classification of 70 for flame spread will be acceptable, where untreated oak is rated at 100 and incombustible asbestos-cement board is rated at 0.
Chemicals intended for flameproofing nonsolid wooden decorative materials, such as sawdust, shavings, and excelsior shall be approved if they are capable of satisfactorily treating cotton. (See Section 1216(b).)
Cal. Code Regs. Tit. 19, § 1264.1
2. Amendment filed 11-10-60; effective thirtieth day thereafter (Register 60, No. 23).
3. Amendment filed 8-28-62; effective thirtieth day thereafter (Register 62, No. 18).
2. Amendment filed 11-10-60; effective thirtieth day thereafter (Register 60, No. 23).
3. Amendment filed 8-28-62; effective thirtieth day thereafter (Register 62, No. 18).