LCO 1 of 11 General Assembly Substitute Bill No. 830 January Session, 2025 AN ACT ESTABLISHING SAFETY STANDARDS TO PREVENT HEAT - RELATED ILLNESS IN WORKPLACES. Be it enacted by the Senate and House of Representatives in General Assembly convened: Section 1. (NEW) (Effective October 1, 2025) (a) As used in this section: 1 (1) "Drinking water" means potable water that is suitable to drink and 2 is a temperature of not more than seventy-seven degrees; 3 (2) "Emergency medical service" means the provision of care by a 4 medically trained person, including, but not limited to, services 5 provided by a hospital, clinic, ambulance, disaster car or rescue vehicle; 6 (3) "Exertional heat stroke" means a life-threatening medical 7 condition characterized by high core body temperature and central 8 nervous system dysfunction, occurring during or after strenuous 9 physical activity in hot and humid conditions; 10 (4) "Heat illness" means a serious medical condition that results from 11 the body's inability to cope with a particular heat load, including, but 12 not limited to, heat cramps, heat exhaustion, heat syncope, heat stroke 13 and exertional heat stroke; 14 (5) "Shade" means a natural or artificial blockage of direct sunlight; 15 and 16 Substitute Bill No. 830 LCO 2 of 11 (6) "Temperature" means the dry bulb temperature in degrees 17 Fahrenheit, as measured by a thermometer in an area where there is no 18 shade. 19 (b) (1) When the outdoor temperature exceeds eighty degrees, an 20 employer who employs individuals in positions where a majority of the 21 work is done in an outdoor setting, including, but not limited to, 22 positions in the agricultural, construction or landscaping industry, shall 23 establish and maintain one or more shade areas at all times employees 24 are present at an outdoor work site. Such shade areas shall be (A) open 25 to the air or have mechanical ventilation for cooling, (B) located as close 26 as practicable to areas where employees are working, and (C) large 27 enough to accommodate the number of employees taking breaks or 28 meal periods so that each such employee can sit in a normal posture, 29 fully in the shade, without having physical contact with another 30 employee. 31 (2) When the outdoor temperature is less than eighty degrees, an 32 employer subject to the provisions of subsection (b) of this section shall 33 (A) establish and maintain shade areas in accordance with the 34 provisions of subdivision (1) of this subsection, or (B) allow employees 35 reasonable access to shade located at the outdoor work site upon an 36 employee's request. 37 (3) An employer in the agricultural industry may satisfy the 38 requirements of this subsection by implementing alternative cooling 39 measures other than the shade areas pursuant to subdivision (1) of this 40 subsection, including, but not limited to, the use of misting machines, if 41 such employer can demonstrate that such alternative cooling measures 42 are as effective as utilizing the shade areas pursuant to subdivision (1) 43 of this subsection. 44 (c) An employer subject to the provisions of subsection (b) of this 45 section shall provide a sufficient supply of drinking water at no cost to 46 its employees so that each employee is able to consume not less than 47 thirty-two fluid ounces of water per hour for the duration of such 48 Substitute Bill No. 830 LCO 3 of 11 employee's shift, except if an employee is required to wear personal 49 protective equipment, an employer shall provide an amount of such 50 drinking water sufficient for such employee to consume not less than 51 eighty ounces of water per hour. If such drinking water is not plumbed 52 or otherwise continuously supplied, an employer may provide such 53 supply of drinking water at the beginning of each employee's shift or in 54 smaller quantities throughout an employee's shift. 55 (d) (1) Any employer subject to the provisions of subsection (b) of this 56 section shall provide reasonable breaks in the shade areas required 57 pursuant to subdivision (1) of subsection (b) of this section to 58 employees. Such breaks shall be permitted as necessary in order to allow 59 an employee's body temperature to cool down and prevent overheating 60 and shall be not less than five minutes in duration, not including the 61 time the employee needs to access shade. 62 (2) When an employee takes a break pursuant to this subsection, an 63 employer shall monitor such employee for signs or symptoms of heat 64 illness. If an employee is showing signs or experiencing symptoms of 65 heat illness, an employer shall allow the employee to remain in the 66 shade until such signs or symptoms subside, and, if necessary, 67 implement the emergency response procedures required pursuant to 68 subsection (e) of this section, except if an employee is showing signs or 69 experiencing symptoms of exertional heat stroke, an employer shall 70 immediately implement the emergency response procedures required 71 pursuant to subsection (e) of this section. 72 (e) An employer subject to the provisions of subsection (b) of this 73 section shall develop and implement effective emergency response 74 procedures for employees showing signs or experiencing symptoms of 75 heat illness. Such emergency response procedures shall, at a minimum, 76 include (1) first aid measures, including, but not limited to, whole body 77 cooling measures for employees showing signs or experiencing 78 symptoms of exertional heat stroke, and (2) the implementation of an 79 emergency medical plan to ensure the rapid provision of medical 80 services to employees showing signs or experiencing symptoms of heat 81 Substitute Bill No. 830 LCO 4 of 11 illness, including, but not limited to, transportation of such employee if 82 the outdoor work site is not in proximity to emergency medical services. 83 (f) An employer subject to the provisions of subsection (b) of this 84 section shall implement additional high heat practices when the 85 temperature at the outdoor work site equals or exceeds ninety degrees. 86 Such practices shall, to the extent possible, include: 87 (1) Ensuring that employees at such work site are able to contact a 88 supervisor by maintaining effective communication by voice or an 89 electronic device. If an employer chooses to utilize an electronic device, 90 including, but not limited to, a cell phone or text messaging device, such 91 employer shall ensure reception in the area is reliable; 92 (2) Monitoring employees for signs and symptoms of heat illness by 93 designating a supervisor, or a supervisor's designee, to observe twenty 94 or fewer employees or by implementing a mandatory buddy system or 95 other effective means of observation; 96 (3) Designating one or more employees at such work site to call for 97 emergency medical services when needed and allowing other 98 employees to call for emergency medical services when such designated 99 employees are unavailable; 100 (4) Reminding employees throughout the work shift to drink plenty 101 of water and to take breaks pursuant to subsection (d) of this section; 102 (5) Implementing a schedule to provide employees a preventative 103 cool-down rest period of not less than ten minutes every two hours. 104 Such rest period may be provided concurrently with a meal or rest 105 period required under state or federal law; and 106 (6) Holding meetings before the commencement of a work shift to 107 review the high heat practices required pursuant to this subsection. 108 (g) An employer subject to the provisions of subsection (b) of this 109 section shall develop and implement effective acclimatization practices 110 for (1) new employees assigned to work at an outdoor work site where 111 Substitute Bill No. 830 LCO 5 of 11 the temperature exceeds eighty degrees, and (2) employees returning to 112 an outdoor work site where the temperature exceeds eighty degrees 113 after not working at such work site for fourteen or more consecutive 114 days, in order for such employees to gradually adapt to such working 115 conditions. Such practices shall start such employees at twenty per cent 116 of an employee's normal work load and increase such work load by 117 twenty per cent each day until one hundred per cent of such employee's 118 work load is reached. 119 (h) The provisions of this section shall not apply to an employee who 120 drives an air-conditioned or fan-ventilated vehicle and may experience 121 some heat exposure for duties conducted outside such vehicle, provided 122 such employee has unrestricted access to such vehicle. 123 Sec. 2. (NEW) (Effective October 1, 2025) (a) For the purposes of this 124 section: 125 (1) "Drinking water" means potable water that is suitable to drink and 126 is a temperature of not more than seventy-seven degrees; 127 (2) "Emergency medical service" means the provision of care by a 128 medically trained person, including, but not limited to, services 129 provided by a hospital, clinic, ambulance, disaster car or rescue vehicle; 130 (3) "Exertional heat stroke" means a life-threatening medical 131 condition characterized by high core body temperature and central 132 nervous system dysfunction, occurring during or after strenuous 133 physical activity in hot and humid conditions; 134 (4) "Heat illness" means a serious medical condition that results from 135 the body's inability to cope with a particular heat load, including, but 136 not limited to, heat cramps, heat exhaustion, heat syncope, heat stroke 137 and exertional heat stroke; and 138 (5) "Temperature" means the dry bulb temperature in degrees 139 Fahrenheit, as measured by a thermometer in an area where there is no 140 shade. 141 Substitute Bill No. 830 LCO 6 of 11 (b) (1) When the outdoor temperature exceeds eighty degrees, an 142 employer shall measure the temperature at an indoor work area that 143 does not have effective or functioning air conditioning and make a 144 record of such measurement. 145 (2) The records required pursuant to subdivision (1) of this subsection 146 shall include the temperature, date, time and specific location of all 147 measurements. Any records required pursuant to this section shall be 148 maintained by an employer for a period of at least one year and made 149 available to employees upon request. 150 (3) An employer shall take measurements required pursuant to 151 subdivision (1) of this subsection again when the temperature is 152 expected to be ten degrees higher than the previous measurement and 153 at times when employee exposure to heat illness is expected to be the 154 greatest. 155 (c) At times when the temperature in such indoor work areas 156 described in subsection (b) of this section equals or exceeds eighty-two 157 degrees, an employer shall: 158 (1) Establish and maintain one or more cool-down areas during times 159 when employees are present at such indoor work area, except when the 160 employer can demonstrate that the establishment of such cool-down 161 areas is impracticable. Such cool-down area shall (A) maintain a 162 temperature of less than eighty-two degrees, (B) be located as close as 163 practicable to areas where employees are working, and (C) be large 164 enough to accommodate the number of employees taking breaks or 165 meal periods; 166 (2) Provide a sufficient supply of drinking water at no cost to its 167 employees so that each employee is able to consume not less than thirty-168 two fluid ounces of water per hour for the duration of such employee's 169 shift, except if an employee is required to wear personal protective 170 equipment, an employer shall provide an amount of such drinking 171 water sufficient for such employee to consume not less than eighty 172 ounces of water per hour. If such drinking water is not plumbed or 173 Substitute Bill No. 830 LCO 7 of 11 otherwise continuously supplied, an employer shall provide such 174 supply of drinking water at the beginning of each employee's shift or in 175 smaller quantities throughout an employee's shift; and 176 (3) Provide reasonable breaks in the cool-down areas required 177 pursuant to subdivision (1) of this subsection. Such breaks shall be 178 permitted as necessary in order to allow an employee's body 179 temperature to cool down and prevent overheating and shall be not less 180 than five minutes in duration, not including the time the employee 181 needs to access such cool-down area. When an employee takes a break 182 pursuant to this subdivision, an employer shall monitor such employee 183 for signs or symptoms of heat illness. If an employee is showing signs 184 or experiencing symptoms of heat illness, an employer shall allow the 185 employee to remain in the cool-down area until such signs or symptoms 186 subside, and, if necessary, implement the emergency response 187 procedures established required pursuant to subsection (e) of this 188 section, except if an employee is showing signs or experiencing 189 symptoms of exertional heat stroke, an employer shall immediately 190 implement the emergency response procedures established pursuant to 191 subsection (e) of this section. 192 (d) An employer shall monitor the temperature of an indoor work 193 area for indoor work areas described in subsection (a) of this section and 194 implement control measures (1) when such temperature equals or 195 exceeds eighty-seven degrees, or (2) where individuals employed at 196 such indoor work area are required to wear clothing that restricts heat 197 removal or work in a high radiant heat area, when such temperature 198 equals or exceeds eighty-seven degrees. Such control measures may 199 include: 200 (A) Implementing engineering controls, including, but not limited to, 201 air conditioning, cooling fans, cooling mist fans, evaporative coolers, 202 natural ventilation or local exhaust ventilation, in order to reduce and 203 maintain the temperature of such indoor work area to (i) below eighty-204 seven degrees, or (ii) where individuals employed at such indoor work 205 area are required to wear clothing that restricts heat removal or to work 206 Substitute Bill No. 830 LCO 8 of 11 in a high radiant heat area, below eighty-two degrees; 207 (B) Implementing administrative controls in order to limit exposure 208 to heat illness, including, but not limited to, rotating employees, 209 scheduling work earlier or later in the day, implementing rest schedules, 210 reducing work intensity or speed, reducing work hours, using relief 211 workers and changing required work clothing; or 212 (C) Providing personal heat-protective equipment, including, but not 213 limited to, water-cooled garments, air-cooled garments, cooling vests, 214 wetted overgarments and heat-reflective clothing. 215 (e) An employer subject to the provisions of subsections (b) to (d), 216 inclusive, of this section shall develop and implement effective 217 emergency response procedures for employees showing signs or 218 experiencing symptoms of heat illness. Such emergency response 219 procedures shall, at a minimum, include procedures for: 220 (1) Ensuring that employees at the work site can contact a supervisor 221 by maintaining effective communication by voice or an electronic 222 device. If an employer chooses to utilize an electronic device, including, 223 but not limited to, a cell phone or text messaging device, such employer 224 shall ensure reception in the area is reliable; and 225 (2) Responding to employees showing signs and symptoms of heat 226 illness, which shall include, but need not be limited to, (A) first aid 227 measures, including, but not limited to, whole body cooling measures 228 for employees showing signs or experiencing symptoms of exertional 229 heat stroke, and (B) implementing an emergency medical plan to ensure 230 the rapid provision of medical services to employees showing signs or 231 experiencing symptoms of heat illness. 232 (f) An employer subject to the provisions of subsections (b) to (d), 233 inclusive, of this section shall develop and implement effective 234 acclimatization practices for (1) new employees (A) assigned to work at 235 indoor work areas where the temperature exceeds eighty-seven degrees, 236 (B) required to wear clothing that restricts heat removal at indoor work 237 Substitute Bill No. 830 LCO 9 of 11 areas where the temperature exceeds eighty-two degrees, or (C) 238 assigned to work in a high radiant heat area that exceeds eighty-two 239 degrees, and (2) employees returning to the working conditions 240 described in subparagraphs (A) to (C), inclusive, of subdivision (1) of 241 this subsection after not working for fourteen or more consecutive days, 242 in order for such employees to gradually adapt to such working 243 conditions. Such practices shall start such employees at twenty per cent 244 of an employee's normal work load and increase such work load by 245 twenty per cent each day until one hundred per cent of such employee's 246 work load is reached. 247 Sec. 3. (NEW) (Effective October 1, 2025) (a) An employer subject to the 248 provisions of section 1 or 2 of this act shall provide each employee with 249 training on heat illness and the employer's procedures regarding heat 250 illness. Such training shall include, but need not be limited to, 251 information regarding: 252 (1) The environmental and personal risk factors for heat illness, 253 including the added burden of heat load on the body caused by exertion, 254 clothing and personal protective equipment; 255 (2) The employer's procedures for complying with the provisions of 256 sections 1 and 2 of this act, including the employee's right to exercise 257 such employee's rights under such sections without retaliation; 258 (3) The importance of frequent consumption of up to thirty-two 259 ounces of water per hour when the work environment is hot and the 260 employee is likely to be sweating more than usual in the performance of 261 such employee's duties; 262 (4) The concept, importance and methods of acclimatization; 263 (5) The different types of heat illness, the common signs and 264 symptoms of heat illness and appropriate first aid or emergency 265 responses to different types of heat illness; 266 (6) The importance of employees immediately reporting to the 267 Substitute Bill No. 830 LCO 10 of 11 employer signs and symptoms of heat illness in such employee or in 268 other employees; 269 (7) The employer's emergency response procedures for responding to 270 signs and symptoms of possible heat illness, including how emergency 271 medical services will be provided should such services become 272 necessary; and 273 (8) The employer's emergency response procedures regarding the 274 contacting of emergency medical services and, if necessary, the 275 transportation of employees to a location where such employee is 276 reachable by an emergency medical service provider. 277 (b) In addition to the training required pursuant to subsection (a) of 278 this section, an employer shall provide training to supervisory 279 employees on the following: 280 (1) Supervisor-specific procedures required to implement the 281 provisions of sections 1 and 2 of this act; 282 (2) Supervisor-specific procedures required when an employee 283 exhibits signs or reports symptoms consistent with possible heat illness, 284 including emergency response procedures required pursuant to 285 subsection (e) of section 1 of this act and subsection (e) of section 2 of 286 this act; and 287 (3) How to monitor weather reports and how to respond to heat 288 advisories. 289 Sec. 4. (NEW) (Effective October 1, 2025) The provisions of sections 1 290 and 2 of this act shall not apply to employees responsible for emergency 291 operations directly involving the protection of life or property or the 292 restoration of essential services, including, but not limited to, instances 293 when an employee is engaged in evacuation services, rescue services, 294 emergency medical services, structural firefighting, law enforcement 295 services and utility repair. 296 Substitute Bill No. 830 LCO 11 of 11 This act shall take effect as follows and shall amend the following sections: Section 1 October 1, 2025 New section Sec. 2 October 1, 2025 New section Sec. 3 October 1, 2025 New section Sec. 4 October 1, 2025 New section Statement of Legislative Commissioners: In Section 1, in Subsec. (b), "provide" was changed to "establish and maintain" for consistency with other provisions of the Subsec. and "pursuant to" was changed to "in accordance with the provisions of" for consistency with standard drafting conventions; in Subsec. (c), "provided" was changed to "except" for consistency with standard drafting conventions; Subsecs. (d) and (e) were rewritten for consistency with standard drafting conventions; in Subsec. (g)(2), "such work site" was changed to "an outdoor work site where the temperature exceeds eighty degrees" for clarity; in Section 2, in Subsec. (b)(2), "temperature," was inserted before "date" for clarity; Subsecs. (c) to (e), inclusive, were rewritten for clarity; in Subsec. (f)(2), "such working conditions" was changed to "the working conditions described in subparagraphs (A) to (C), inclusive, of subdivision (1) of this subsection" for clarity; in Section 3, in Subsec. (a), Subdivs. (7) and (8) were rewritten for clarity; and in Section 4, "directly involved in" was changed to "directly involving" for clarity. LAB Joint Favorable Subst.