- MHAFO1600
| Chemical Name | Authoritative List | List Link |
| Copper | CDC 4th National Exposure Report; CWA 303(c); CWA 303(d); OEHHA RELs | https://calsafer.dtsc.ca.gov/cms/candidate-chemical/?rid=22101 |
| Iron | CWA 303(d) | https://calsafer.dtsc.ca.gov/cms/candidate-chemical/?rid=22075 |
| Manganese and manganese compounds | ATSDR Neurotoxicants; CA NLs; CA TACs; CDC 4th National Exposure Report; CWA 303(d); IRIS Neurotoxicants; OEHHA RELs | https://calsafer.dtsc.ca.gov/cms/candidate-chemical/?rid=22077 |
| Chromium | .CA TACs; CWA 303(c); EC Annex VI CMRs – Cat. 1B; IARC Carcinogens – 1; IRIS Carcinogens – A; NTP 13th RoC – known; OEHHA RELs; Prop 65 | https://calsafer.dtsc.ca.gov/cms/candidate-chemical/?rid=22099 |
| Nickel and Nickel Compounds | CA TACs; CWA 303(c); CWA 303(d); IARC Carcinogens – 1; NTP 13th RoC – known; OEHHA RELs; Prop 65 | https://calsafer.dtsc.ca.gov/cms/candidate-chemical/?rid=22080 |
| Aluminum | ATSDR Neurotoxicants; CA MCLs; CWA 303(d) | https://calsafer.dtsc.ca.gov/cms/candidate-chemical/?rid=22073 |