Section 041-26-26.030 - Approved Disinfectants and Their Use26.031 An EPA-registered disinfectant shall be used in accordance with the manufacturer's instructions. 26.032Chlorine bleach solution. "Chlorine bleach solution" used to destroy bacteria and disinfect implements and non-porous surfaces shall be mixed daily. The chlorine bleach shall not be placed or stored near other chemicals. As used in this chapter, chlorine bleach solutions fall into three categories based on concentration and exposure time: 1. Low level disinfection (100 - 200 ppm). Add two (2) teaspoons household (5.25 percent) bleach to one (1) gallon water. Soak ten (10) minutes minimum;2. High level disinfection (1,000 ppm). Add one-third (1/3) cup household (5.25 percent) bleach to one (1) gallon water. Soak twenty (20) minutes minimum; or3. Blood and body fluid cleanup and disinfection (5,000 ppm). Add one and three-quarters (1 3/4) cups household (5.25 percent) bleach to one (1) gallon water. Also referred to as a 10 percent bleach solution26.033 Isopropyl used in concentration of at least 70 percent and ethyl alcohol at a concentration of 60 percent - 95 percent are considered low-level disinfectants. 26.034 Disinfectants in which implements are to be sanitized shall be free from debris and replaced as needed.02-041 C.M.R. ch. 26, § 26.030