Current through Register 1536, December 6, 2024
Section 42.05 - Certification Matrices, Disciplines and CategoriesQualified applicants may be certified in one or more of the following matrices, disciplines and categories:
(1)Potable Water. Certification in this matrix applies to analyses of drinking water supplies for purposes of, but not limited to, determining compliance with 310 CMR 22.00: Drinking Water Regulations. Certification in this matrix may be obtained in any or all of the following disciplines and categories: (a)Microbiology. Certification in this discipline may be obtained in any or all of the following categories: 1. Total Coliform (Water Treatment and Distribution);2.Escherichia coli (Water Treatment and Distribution);3. Heterotrophic Plate Count;4. Total Coliform in Source Water;5. Fecal Coliform in Source Water;6.Escherichia coli in Source Water;7. Enterococci in Source Water.(b)Chemistry. Certification in this discipline may be obtained in any or all of the following categories: 9. Residual Free Chlorine;12. Total Dissolved Solids;14. Polychlorinated biphenyls;16. Pesticides: h. Hexachlorocyclopentadiene;21. Volatile Organic Compounds (including vinyl chloride);22. 1,2-Dibromo-3-chloropropane (DBCP) and 1,2-Dibromoethane (EDB);33. Per-and Polyfluoroalkyl substances (PFAS). (c)Radiochemistry. Certification in this discipline may be obtained in any or all of the following categories: (2)Non-potable Water. Certification in this matrix applies to analyses of water conducted in accordance with 40 CFR Part 136, Guidelines Establishing Test Procedures for the Analysis of Pollutants under the Clean Water Act. Certification in this matrix may be obtained in any or all of the following disciplines and categories: (a)Microbiology. Certification in this discipline may be obtained in any or all of the following categories: (b)Chemistry. Certification in this discipline may be obtained in any or all of the following categories: 2. Minerals: b. Specific Conductivity;c. Total Dissolved Solids;d. Total Hardness (as Calcium carbonate);i. Total Alkalinity (as Calcium carbonate);4. Demand: a. Chemical Oxygen Demand;b. Biochemical Oxygen Demand;6. Residue, Non-filterable (Total Suspended Solids);7. Total Residual Chlorine;10. Volatile Organic Compounds (VOCs):11. Pesticides: c. alpha-BHC (alpha-Hexachlorocyclohexane);d. beta-BHC (beta-Hexachlorocyclohexane);e. gamma-BHC (gamma-Hexachlorocyclohexane);f. delta-BHC (delta-Hexachlorocyclohexane);12. Polychlorinated biphenyls (water);13. Polychlorinated biphenyls (oil);15. Semi-Volatile Organic Compounds (SVOCs):b. Base/Neutral Extractables.Amended by Mass Register Issue 1325, eff. 11/4/2016.Amended by Mass Register Issue 1419, eff. 6/12/2020.