310 CMR 42.05
Certification Matrices, Disciplines and Categories
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 Phenolics;
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.