D.C. Mun. Regs. tit. 25, r. 25-A1813
Current through Register Vol. 71, No. 52, December 27, 2024
Rule 25-A1813 - EQUIPMENT MANUAL AND MECHANICAL WAREWASHING, CHEMICAL SANITIZATION - TEMPERATURE, PH, CONCENTRATION, AND HARDNESS1813.1A chemical sanitizer used in a sanitizing solution for a manual or mechanical operation at contact times specified in § 2002.2 shall meet the criteria specified in § 3404 Sanitizer, Criteria, shall be used in accordance with the EPA-registered label use instructions, and shall be used as specified in §§ 1813.2 through 1813.6. P
1813.2A chlorine solution shall have a minimum temperature based on the concentration and pH of the solution as listed in the following chart: P
Concentration Range | Minimum Temperature |
mg/L | pH 10 or less oC (oF) | pH 8 or less oC (oF) |
25 - 49 | 49 (120) | 49 (120) |
50 - 99 | 38 (100) | 24 (75) |
100 | 13 (55) | 13 (55) |
1813.3An iodine solution shall have a:
(a) Minimum temperature of twenty degrees Celsius (20o C) (sixty-eight degrees Fahrenheit (68o F));P(b) pH of five (5.0) or less or a pH no higher than the level for which the manufacturer specifies the solution is effective; P and(c) Concentration between twelve and a half micrograms per liter (12.5 mg/L) and twenty-five micrograms per liter (25 mg/L). P1813.4A quaternary ammonium compound solution shall:
(a) Have a minimum temperature of twenty-four degrees Celsius (24o C) (seventy-five degrees Fahrenheit (75o F));P(b) Have a concentration as specified in § 3404 and as indicated by the manufacturer's use directions included in the labeling; P and(c) Be used only in water with five hundred micrograms per liter (500 mg/L) hardness or less, or in water having hardness no greater than specified by the EPA-registered label use instructions. P1813.5If another solution of a chemical specified under §§ 1813.2 through 1813.4 is used, the licensee shall demonstrate to the Department that the solution achieves sanitization and the use of the solution shall be approved. P
1813.6If a chemical sanitizer other than chlorine, iodine, or a quaternary ammonium compound is used, it shall be applied in accordance with the EPA-registered label use instructions. P
D.C. Mun. Regs. tit. 25, r. 25-A1813
Final Rulemaking published at 50 DCR 4394 (June 6, 2003); as amended by Final Rulemaking published at 59 DCR 13690 (November 30, 2012)Authority: Sections 4 and 10 of An Act Relating to the adulteration of foods and drugs in the District of Columbia, approved February 17, 1898 (30 Stat. 246: D.C. Official Code §§ 48-104 and 48-110 (2009 Repl.)); Section 7 of An Act Making Appropriations to provide for the expenses for the government of the District of Columbia for the fiscal year ending June thirtieth, nineteen hundred and three, and for other purposes (32 Stat.627: D.C. Official Code § 47-2834(a)(1), (a)(2), and (b) (2005 Repl.)); and Mayor's Order 98-139, dated August 20, 1998, and Mayor's Order 2002-103, dated June 18, 2002.