Spark arresters installed in, attached to, or constructed as an integral part of the exhaust system of Mse. manufactured prior to July 1, 1978 will be deemed to be in compliance with the provisions of PRC 4443 only if they meet at least one of the criteria set forth in subsections (a) and (b).
The person operating the Mse. will maintain the exhaust system so that it continuously meets such standards.
Cal. Code Regs. Tit. 14, § 1242.1
Note: Authority cited: Sections 4111 and 4443, Public Resources Code. Reference: Section 4443, Public Resources Code.