Code of Massachusetts Regulations
310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION
Title 310 CMR 42.00 - Certification And Operation Of Environmental Analysis Laboratories
Section 42.05 - Certification Matrices, Disciplines and Categories

Universal Citation: 310 MA Code of Regs 310.42

Current through Register 1537, December 20, 2024

Qualified 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:
1. Metals:
a. Antimony;

b. Arsenic;

c. Barium;

d. Beryllium;

e. Cadmium;

f. Chromium;

g. Copper;

h. Lead;

i. Mercury;

j. Nickel;

k. Selenium;

l. Silver;

m. Thallium;

n. Aluminum;

o. Iron;

p. Manganese;

q. Zinc;

2. Nitrate-N;

3. Nitrite-N;

4. Fluoride;

5. Sodium;

6. Sulfate;

7. Cyanide;

8. Turbidity;

9. Residual Free Chlorine;

10. Calcium;

11. Total Alkalinity;

12. Total Dissolved Solids;

13. pH;

14. Polychlorinated biphenyls;

15. Herbicides:
a. 2,4-D;

b. 2,4,5-TP;

c. Dalapon;

d. Dinoseb;

e. Pentachlorophenol;

f. Picloram;

16. Pesticides:
a. Alachlor;

b. Atrazine;

c. Chlordane;

d. Endrin;

e. Heptachlor;

f. Heptachlor epoxide;

g. Hexachlorobenzene;

h. Hexachlorocyclopentadiene;

i. Lindane;

j. Methoxychlor;

k. Simazine;

l. Toxaphene;

17. Carbamates:
a. Aldicarb;

b. Aldicarb sulfone;

c. Aldicarb sulfoxide;

d. Carbofuran;

e. Vydate;

18. Benzo-a-pyrene;

19. Adipates/Phthalates;

20. Trihalomethanes;

21. Volatile Organic Compounds (including vinyl chloride);

22. 1,2-Dibromo-3-chloropropane (DBCP) and 1,2-Dibromoethane (EDB);

23. Asbestos;

24. Diquat;

25. Endothall;

26. Glyphosate;

27. Haloacetic Acids;

28. Bromate;

29. Chlorite;

30. Perchlorate;

31. 1,4-Dioxane;

32. Chloride;

33. Per-and Polyfluoroalkyl substances (PFAS).

(c) Radiochemistry. Certification in this discipline may be obtained in any or all of the following categories:
1. Gross Alpha;

2. Gross Beta;

3. Strontium-89;

4. Strontium-90;

5. Radium-226;

6. Radium-228;

7. Tritium;

8. Uranium;

9. Iodine-131;

10. Cesium-134;

11. Cesium-137;

12. Cobalt-60;

13. Ruthenium-106

(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:
1. Ambient Water:
a. Escherichia coli;

b. Enterococci.

2. Wastewater:
a. Fecal Coliform;

b. Escherichia coli;

c. Enterococci.

(b) Chemistry. Certification in this discipline may be obtained in any or all of the following categories:
1. Metals:
a. Aluminum;

b. Antimony;

c. Arsenic;

d. Beryllium;

e. Cadmium;

f. Chromium;

g. Cobalt;

h. Copper;

i. Iron;

j. Lead;

k. Manganese;

l. Mercury;

m. Molybdenum;

n. Nickel;

o. Selenium;

p. Silver;

q. Strontium;

r. Thallium;

s. Titanium;

t. Vanadium;

u. Zinc;

2. Minerals:
a. pH;

b. Specific Conductivity;

c. Total Dissolved Solids;

d. Total Hardness (as Calcium carbonate);

e. Calcium;

f. Magnesium;

g. Sodium;

h. Potassium;

i. Total Alkalinity (as Calcium carbonate);

j. Chloride;

k. Fluoride;

l. Sulfate;

3. Nutrients:
a. Ammonia-N;

b. Nitrate-N;

c. Kjeldahl-N;

d. Orthophosphate;

e. Total Phosphorus;

4. Demand:
a. Chemical Oxygen Demand;

b. Biochemical Oxygen Demand;

c. Total Organic Carbon;

5. Total Cyanide;

6. Residue, Non-filterable (Total Suspended Solids);

7. Total Residual Chlorine;

8. Oil and Grease;

9. Total Phenolic s;

10. Volatile Organic Compounds (VOCs):
a. Volatile Halocarbons;

b. Volatile Aromatics;

11. Pesticides:
a. Chlordane;

b. Aldrin;

c. alpha-BHC (alpha-Hexachlorocyclohexane);

d. beta-BHC (beta-Hexachlorocyclohexane);

e. gamma-BHC (gamma-Hexachlorocyclohexane);

f. delta-BHC (delta-Hexachlorocyclohexane);

g. Dieldrin;

h. 4,4'-DDD;

i. 4,4'-DDE;

j. 4,4'-DDT;

k. Endosulfan I;

l. Endosulfan II;

m. Endosulfan sulfate;

n. Endrin;

o. Endrin aldehyde;

p. Heptachlor;

q. Heptachlor epoxide;

r. Toxaphene;

12. Polychlorinated biphenyls (water);

13. Polychlorinated biphenyls (oil);

14. Perchlorate;

15. Semi-Volatile Organic Compounds (SVOCs):
a. Acid Extractables;

b. Base/Neutral Extractables.

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