Tunxis Laboratories, LLC (Tunxis) is a state of the art environmental laboratory located in Plainville, CT. Tunxis was formed in the fall of 2014 following the integration of the assets and staff of an environmental laboratory with a 30-year history and an experienced and skilled team of environmental chemists by our parent company, Loureiro Engineering Associates, Inc. (LEA). Since the integration we have grown by adding projects, scientists and new state of the art instrumentation. We are currently certified in Connecticut and Rhode Island and hold TNI NELAP certification in New Hampshire.
Services Offered
- Analytical Services
- Stormwater Sampling
- Drinking Water Sampling
Analytical Services
Tunxis has the technical aptitude, certifications, QA/QC programs and instrumentation to perform an assortment of analytical procedures. Please see the list of our tests and analytical methods listed below:
Aluminum ICP | EPA 200.7 |
Aluminum ICPMS | EPA 200.8 |
Ammonia | SM 4500NH3D |
Antimony ICP | EPA 200.7 |
Antimony ICPMS | EPA 200.8 |
Arsenic ICPMS | EPA 200.8 |
Barium ICP | EPA 200.7 |
Barium ICPMS | EPA 200.8 |
Beryllium ICP | EPA 200.7 |
Beryllium ICPMS | EPA 200.8 |
BOD5 | SM 5210B |
Boron ICP | EPA 200.7 |
Boron ICPMS | EPA 200.8 |
Cadmium ICP | EPA 200.7 |
Cadmium ICPMS | EPA 200.8 |
Calcium ICP | EPA 200.7 |
Chloride DW | EPA 300.0 |
Chromium, Total ICP | EPA 200.7 |
Chromium, Total ICPMS | EPA 200.8 |
Cobalt ICP | EPA 200.7 |
Coliform – Presence/Absent | SM 9223B |
Color | SM 2120B |
Color_TrueApparent | SM 2120B |
Connecticut Drinkwater VOCs | EPA 524.2 |
Copper ICP | EPA 200.7 |
Copper ICPMS | EPA 200.8 |
Cyanide | SM 4500-CN |
E. coli | SM 9223B |
eTPH | CT eTPH |
Fluoride | EPA 300.0 |
Group Alkalinity | SM 2320 |
Hardness | SM 2340 B |
HPC | SM 9215 B |
Iron ICP | EPA 200.7 |
Iron ICPMS | EPA 200.8 |
Lead ICP | EPA 200.7 |
Lead ICPMS | EPA 200.8 |
Magnesium ICP | EPA 200.7 |
Magnesium ICPMS | EPA 200.8 |
Manganese ICP | EPA 200.7 |
Manganese ICPMS | EPA 200.8 |
Mercury DW | EPA 245.2 |
Mercury ICPMS | EPA 200.8 |
Molybdenum ICP | EPA 200.7 |
Molybdenum ICPMS | EPA 200.8 |
Nickel ICP | EPA 200.7 |
Nickel ICPMS | EPA 200.8 |
Nitrate Nitrogen as N DW | EPA 300.0 |
Nitrate_Nitrite | EPA 300.0 |
Nitrite Nitrogen as N DW | EPA 300.0 |
Odor | EPA 140.1 |
pH | SM 4500H+B |
Phosphate, Ortho | SM 4500PE |
Phosphorus, Hydrolyzable | SM 4500-P |
Phosphorus, Total | SM 4500PE |
Potassium ICP | EPA 200.7 |
Selenium ICP | EPA 200.7 |
Selenium ICPMS | EPA 200.8 |
Silicon ICP | EPA 200.7 |
Silver ICP | EPA 200.7 |
Silver ICPMS | EPA 200.8 |
Sodium ICP | EPA 200.7 |
Specific Conductivity | SM 2510B |
Strontium ICP | EPA 200.7 |
Sulfate DW | EPA 300.0 |
Surfactants | EPA 425.1 |
Thallium ICPMS | EPA 200.8 |
Tin ICP | EPA 200.7 |
Titanium ICP | EPA 200.7 |
Total Alkalinity | SM 2320B |
Total Chlorine, DPD | SM 4500-Cl G |
Total Coliform | SM 9223B |
Total Dissolved Solids | SM 2540C |
Total Residual Chlorine | SM 4500ClD |
Total Trihalomethanes | EPA 524.2 |
Turbidity DW | EPA 180.1 |
Uranium ICPMS | EPA 200.8 |
Vanadium ICP | EPA 200.7 |
Vanadium ICPMS | EPA 200.8 |
Zinc ICP | EPA 200.7 |
Zinc ICPMS | EPA 200.8 |
Zirconium ICP | EPA 200.7 |
1664 HEM | EPA 1664A |
1664 SGT | EPA 1664A |
8010 List | SW-846 8260C |
8010 Short List | SW-846 8260C |
8020 List | SW-846 8260C |
8021 List | SW-846 8260C |
8260 CT RCP List | SW-846 8260C |
8260 TCL | SW-846 8260C |
Aluminum ICP | SW-846 6010C |
Aluminum ICPMS | EPA 200.8 |
Ammonia | SM 4500NH3D |
Antimony ICP | SW-846 6010C |
Antimony ICPMS | SW-846 6020B |
Arsenic ICP | SW-846 6010C |
Arsenic ICPMS | SW-846 6020B |
Barium ICP | SW-846 6010C |
Barium ICPMS | SW-846 6020B |
Beryllium ICP | SW-846 6010C |
Beryllium ICPMS | SW-846 6020B |
BOD20 | SM 5210B |
BOD5 | SM 5210B |
Cadmium ICP | SW-846 6010C |
Cadmium ICPMS | SW-846 6020B |
Calcium ICP | SW-846 6010C |
Chloride | SW-846 9056A |
Chromium, Total ICP | SW-846 6010C |
Chromium, Total ICPMS | SW-846 6020B |
Cobalt ICP | SW-846 6010C |
Cobalt ICPMS | SW-846 6020B |
COD | EPA 410.4 |
Copper ICP | SW-846 6010C |
Copper ICPMS | SW-846 6020B |
Cyanide | SW-846 9014 |
Cyanide, Amenable | SW-846 9014 |
Dissolved Oxygen | SM 4500OG |
E. coli | SM 9223B |
eTPH | CT eTPH |
Fecal Coliform | SM 9222D |
Fecal Colilert | Colilert®-18 |
Flashpoint | SW-846 1010A |
Fluoride | SW-846 9056A |
Formaldehyde | NIOSH 3500 |
Gold ICPMS | SW-846 6020B |
Hardness | SM 2340 B |
Hexavalent Chromium | SW-846 7196A |
HPC | SM 9215B |
Iron ICP | SW-846 6010C |
Iron ICPMS | SW-846 6020B |
Lead ICP | SW-846 6010C |
Lead ICPMS | SW-846 6020B |
Magnesium ICP | SW-846 6010C |
Manganese ICP | SW-846 6010C |
Manganese ICPMS | SW-846 6020B |
Mercury | SW-846 7470A |
Mercury ICPMS | SW-846 6020B |
Molybdenum ICP | SW-846 6010C |
Nickel ICP | SW-846 6010C |
Nickel ICPMS | SW-846 6020B |
Nitrate | SW-846 9056A |
Nitrate_Nitrite | SW-846 9056A |
Nitrite | SW-846 9056A |
ORP | SM 2580 |
PCBs | SW-846 8082A |
Pesticides | SW-846 8081B |
pH | SW-846 9040C |
Phosphorus, Total | SM 4500PE |
Phosphorus, Total ICP | SW-846 6010C |
Potassium ICP | SW-846 6010C |
RCRA PCB | SW-846 8082A |
Reactive Cyanide | SW-846 Chapter 7 |
Reactive Sulfide | SW-846 Chapter 7 |
Selenium ICP | SW-846 6010C |
Selenium ICPMS | SW-846 6020B |
Silver ICP | SW-846 6010C |
Silver ICPMS | SW-846 6020B |
Sodium ICP | SW-846 6010C |
Specific Conductivity | SW-846 9050A |
Sulfate | SW-846 9056A |
Sulfide | EPA 376.2 |
SV 8270 CT RCP List | SW-846 8270D |
SV PAH | SW-846 8270D |
Thallium ICPMS | SW-846 6020B |
Tin ICP | SW-846 6010C |
Tin ICPMS | SW-846 6020B |
Titanium ICP | SW-846 6010C |
Titanium ICPMS | SW-846 6020B |
TN | Calculated |
Total Alkalinity | SM 2320B |
Total Dissolved Solids | SM 2540C |
Total Kjeldahl Nitrogen | SM 4500NH3D |
Total Nitrogen | Calculated |
Total Residual Chlorine | SM 4500ClD |
Total Settleable Solids | SM 2540F |
Total Sulfide | SM 4500S2F |
Total Suspended Solids | SM 2540D |
TPH | SW-846 8015C |
Tungsten | SW-846 6010C |
Tungsten ICPMS | SW-846 6020B |
Turbidity | EPA 180.1 |
Vanadium ICP | SW-846 6010C |
Vanadium ICPMS | SW-846 6020B |
VOC Oxygenates | SW-846 8260C |
VOCs Wastewater full | EPA 624 |
Zinc ICP | SW-846 6010C |
Zinc ICPMS | SW-846 6020B |
1664 HEM | EPA 1664A |
1664 SGT | EPA 1664A |
8010 List | SW-846 8260C |
8260 CT RCP List DI | SW-846 8260C |
Aluminum ICP | SW-846 6010C |
Aluminum ICPMS | SW-846 6020B |
Ammonia | SM 4500NH3D |
Antimony ICP | SW-846 6010C |
Antimony ICPMS | SW-846 6020B |
Arsenic ICP | SW-846 6010C |
Arsenic ICPMS | SW-846 6020B |
Barium ICP | SW-846 6010C |
Barium ICPMS | SW-846 6020B |
Beryllium ICP | SW-846 6010C |
Beryllium ICPMS | SW-846 6020B |
Boron ICP | SW-846 6010C |
BTEX | SW-846 8260C |
Cadmium ICP | SW-846 6010C |
Cadmium ICPMS | SW-846 6020B |
Calcium ICP | SW-846 6010C |
Chloride | SW-846 9056A |
Chromium, Total ICP | SW-846 6010C |
Chromium, Total ICPMS | SW-846 6020B |
Cobalt ICP | SW-846 6010C |
Cobalt ICPMS | SW-846 6020B |
COD | EPA 410.4 |
Copper ICP | SW-846 6010C |
Copper ICPMS | SW-846 6020B |
Cyanide Rotary Extraction | SW-846 9014 |
Cyanide Solid | SW-846 9014 |
Cyanide, Amenable Solid | SW-846 9014 |
E. coli | SM 9223B |
eTPH Solid | CT eTPH |
Flashpoint | SW-846 1010A |
Fluoride | SW-846 9056A |
Formaldehyde | NIOSH 3500 |
Gold ICPMS | SW-846 6020B |
Group Alkalinity | SM 2320 |
Halogens | SW-846 9056A |
Hardness | SM 2340 B |
Hexavalent Chromium | SW-846 7196A |
Ignitability | SW-846 1030 |
Iron ICP | SW-846 6010C |
Iron ICPMS | SW-846 6020B |
Lead ICP | SW-846 6010C |
Lead ICPMS | SW-846 6020B |
Magnesium ICP | SW-846 6010C |
Manganese ICP | SW-846 6010C |
Manganese ICPMS | SW-846 6020B |
Mercury | SW-846 7471B |
Mercury ICPMS | SW-846 6020B |
Molybdenum ICP | SW-846 6010C |
Nickel ICP | SW-846 6010C |
Nickel ICPMS | SW-846 6020B |
Nitrate | SW-846 9056A |
Nitrite | SW-846 9056A |
Paint Filter Liquid test | SW-846 9095B |
PCB SOXHLET | SW-846 8082A |
PCB Waste Dilutions | SW-846 8082A |
Percent Solid | SM 2540G |
Pesticides | SW-846 8081B |
pH | SW-846 9045D |
Phosphorus, Total | SM 4500PE |
Phosphorus, Total ICP | SW-846 6010C |
Potassium ICP | SW-846 6010C |
Selenium ICP | SW-846 6010C |
Selenium ICPMS | SW-846 6020B |
Silver ICP | SW-846 6010C |
Sodium ICP | SW-846 6010C |
Specific Conductivity | SW-846 9050A |
SPLP CR6 Extraction | SW-846 1312 |
SPLP Metals Extraction | SW-846 1312 |
SPLP PCBs Extraction | SW-846 1312 |
SPLP Pesticide Extraction | SW-846 1312 |
SPLP SV Extraction | SW-846 1312 |
SPLP TPH Extraction | SW-846 1312 |
SPLP ZHE Extraction | SW-846 1312 |
Strontium ICP | SW-846 6010C |
Strontium ICPMS | SW-846 6020B |
Sulfate | SW-846 9056A |
SV 8270 CT RCP List | SW-846 8270D |
TCLP CR6 Extraction | SW-846 1311 |
TCLP Metals Extraction | SW-846 1311 |
TCLP PCB Extraction | SW-846 1311 |
TCLP SV Extraction | SW-846 1311 |
TCLP ZHE Extraction | SW-846 1311 |
Thallium ICP | SW-846 6010C |
Thallium ICPMS | SW-846 6020B |
Tin ICP | SW-846 6010C |
Tin ICPMS | SW-846 6020B |
Titanium ICP | SW-846 6010C |
Titanium ICPMS | SW-846 6020B |
TN | Calculated |
Total Kjeldahl Nitrogen | SM 4500NH3D |
TPH | SW-846 8015C |
Tungsten | SW-846 6010C |
TVS | EPA 160.4 |
Vanadium ICP | SW-846 6010C |
Vanadium ICPMS | SW-846 6020B |
Zinc ICP | SW-846 6010C |
Zinc ICPMS | SW-846 6020B |
1664 HEM | EPA 1664A |
1664 HEM Average | EPA 1664A |
1664 SGT | EPA 1664A |
1664 SGT Average | EPA 1664A |
8015 Glycol Alcohol | SW-846 8015C |
8260 CT RCP List | SW-846 8260C |
Acetone | EPA 624 |
Aluminum ICP | EPA 200.7 |
Aluminum ICPMS | EPA 200.8 |
Ammonia | SM 4500NH3D |
Antimony ICP | EPA 200.7 |
Antimony ICPMS | EPA 200.8 |
Arsenic ICP | EPA 200.7 |
Arsenic ICPMS | EPA 200.8 |
Barium ICP | EPA 200.7 |
Barium ICPMS | EPA 200.8 |
Beryllium ICP | EPA 200.7 |
Beryllium ICPMS | EPA 200.8 |
BOD20 | SM 5210B |
BOD5 | SM 5210B |
Boron ICP | EPA 200.7 |
Boron ICPMS | EPA 200.8 |
Bromide | EPA 300.0 |
Cadmium ICP | EPA 200.7 |
Cadmium ICPMS | EPA 200.8 |
Calcium ICP | EPA 200.7 |
CBOD | SM 2510B |
Chloride | EPA 300.0 |
Chromium, Total ICP | EPA 200.7 |
Chromium, Total ICPMS | EPA 200.8 |
Cobalt ICP | EPA 200.7 |
Cobalt ICPMS | EPA 200.8 |
COD | EPA 410.4 |
Coliform – Presence/Absent | SM 9223B |
Color | SM 2120B |
Copper ICP | EPA 200.7 |
Copper ICPMS | EPA 200.8 |
Cyanide, Amenable | SM 4500-CN G |
Cyanide, Total | 10-204-00-1X |
Dissolved Oxygen | SM 4500OG |
E. coli | SM 9223B |
Ethanol Amine | 8015 |
eTPH | CT eTPH |
Fecal Coliform | SM 9222D |
Fecal Colilert | Colilert®-18 |
Flashpoint | SW-846 1010A |
Fluoride | EPA 300.0 |
Formaldehyde | NIOSH 3500 |
Gold | EPA 200.7 |
Gold ICPMS | EPA 200.8 |
Halogens | SW-846 9056A |
Hardness | SM 2340 B |
Hexavalent Chromium | SM 3500CRB |
HPC | SM 9215 B |
Iron ICP | EPA 200.7 |
Iron ICPMS | EPA 200.8 |
Iron Types | EPA 200.7 |
Lead ICP | EPA 200.7 |
Lead ICPMS | EPA 200.8 |
Magnesium ICP | EPA 200.7 |
Manganese ICP | EPA 200.7 |
Manganese ICPMS | EPA 200.8 |
Mercury | EPA 245.2 |
Mercury ICPMS | EPA 200.8 |
Molybdenum ICP | EPA 200.7 |
Molybdenum ICPMS | EPA 200.8 |
Nickel ICP | EPA 200.7 |
Nickel ICPMS | EPA 200.8 |
Nitrate Nitrogen as N | EPA 300.0 |
Nitrate_Nitrite | EPA 300.0 |
Nitrite Nitrogen as N | EPA 300.0 |
Odor | EPA 140.1 |
ORP | SM 2580 |
PCBs | EPA 608 |
pH | SM 4500H+B |
Phosphate, Ortho | SM 4500PE |
Phosphorus, Total | SM 4500PE |
Phosphorus, Total ICP | EPA 200.7 |
Potassium ICP | EPA 200.7 |
Selenium ICP | EPA 200.7 |
Selenium ICPMS | EPA 200.8 |
Silicon ICP | EPA 200.7 |
Silver ICP | EPA 200.7 |
Silver ICPMS | EPA 200.8 |
SO3 | SM 4500SO3-B |
Sodium ICP | EPA 200.7 |
Specific Conductivity | SM 2510B |
Strontium ICP | EPA 200.7 |
Strontium ICPMS | EPA 200.8 |
Sub_Formaldehyde | EPA 1667 |
Sulfate | EPA 300.0 |
Sulfide | EPA 376.2 |
Surfactants | EPA 425.1 |
SV 8270 CT RCP List | EPA 625 |
Thallium ICP | EPA 200.7 |
Thallium ICPMS | EPA 200.8 |
TICs VOCs | EPA 624 |
Tin ICP | EPA 200.7 |
Tin ICPMS | EPA 200.8 |
Titanium ICP | EPA 200.7 |
Titanium ICPMS | EPA 200.8 |
Total Alkalinity | SM 2320B |
Total Coliform | SM 9223B |
Total Dissolved Solids | SM 2540C |
Total Kjeldahl Nitrogen | SM 4500NH3D |
Total Organic Nitrogen | SM 4500NH3D |
Total Residual Chlorine | SM 4500ClD |
Total Settleable Solids | SM 2540F |
Total Solids | SM 2540B |
Total Sulfide | SM 4500S2F |
Total Suspended Solids | SM 2540D |
Tungsten ICPMS | EPA 200.8 |
Turbidity | EPA 180.1 |
TVS | EPA 160.4 |
Uranium ICPMS | EPA 200.8 |
Vanadium ICP | EPA 200.7 |
Vanadium ICPMS | EPA 200.8 |
VOCs Wastewater full | EPA 624 |
Wastewater SVOCs | EPA 625 |
Zinc ICP | EPA 200.7 |
Zinc ICPMS | EPA 200.8 |
Zirconium ICP | EPA 200.7 |