§ 52.275 Particulate matter control.

(a) The following rules or portions of rules are retained because they control emissions of particulate matter, and because there is no demonstration that their deletion would not interfere with the attainment and maintenance of the national standards for particulate matter:

(1) Lake County APCD.

(i) Part III-50 and Part V-1B, submitted on October 23, 1974, and previously approved under 40 CFR 52.223.

(2) San Luis Obispo County APCD.

(i) Rule 113, submitted on February 21, 1972, and previously approved under 40 CFR 52.223.

(b) The following regulations are disapproved because they relax the control on particulate matter emissions without any accompanying analyses demonstrating that these relaxations will not interfere with the attainment and maintenance of the National Ambient Air Quality Standards.

(1) Amador County APCD.

(i) Rules 211 and 212, submitted on April 21, 1976. (Regulation V, Rules 13 and 14, submitted on June 30, 1972, and previously approved, are retained.)