SCAQMD RULE 218 STACK MONITORING
LAST REVISED 08/07/81

(Adopted January 9, 1976)(Amended April 1, 1977) (Amended August 5, 1977)

(Amended April 6, 1979)(Amended August 7, 1981)

RULE 218. STACK MONITORING

(a) Stack Monitoring Requirements

(b) Approval of Monitoring Systems

(c) Monitoring System Standards

(d) Retention of Records

(e) Reporting

(f) Exemption

Any source subject to the provisions of (a)(1) above may obtain an exemption from the provisions of (a)(1) above upon demonstration to the satisfaction of the Executive Officer that the source is not subject to a District rule or regulation prohibiting or limiting the discharge of any air contaminants which are the subject of (a)(1)

(g) Definitions




*The operational period test performed prior to final approval shall be preceded by a 168 hour (minimum) conditioning period during which the system shall be operated without unscheduled maintenance, repair, or adjustment.

**Expressed as the sum of the mean value plus the 95 percent confidence interval of aseries of tests.