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:

Drinking Water

Aluminum ICPEPA 200.7
Aluminum ICPMSEPA 200.8
AmmoniaSM 4500NH3D
Antimony ICPEPA 200.7
Antimony ICPMSEPA 200.8
Arsenic ICPMSEPA 200.8
Barium ICPEPA 200.7
Barium ICPMSEPA 200.8
Beryllium ICPEPA 200.7
Beryllium ICPMSEPA 200.8
BOD5SM 5210B
Boron ICPEPA 200.7
Boron ICPMSEPA 200.8
Cadmium ICPEPA 200.7
Cadmium ICPMSEPA 200.8
Calcium ICPEPA 200.7
Chloride DWEPA 300.0
Chromium, Total ICPEPA 200.7
Chromium, Total ICPMSEPA 200.8
Cobalt ICPEPA 200.7
Coliform – Presence/AbsentSM 9223B
ColorSM 2120B
Color_TrueApparentSM 2120B
Connecticut Drinkwater VOCsEPA 524.2
Copper ICPEPA 200.7
Copper ICPMSEPA 200.8
CyanideSM 4500-CN
E. coliSM 9223B
eTPHCT eTPH
FluorideEPA 300.0
Group AlkalinitySM 2320
HardnessSM 2340 B
HPCSM 9215 B
Iron ICPEPA 200.7
Iron ICPMSEPA 200.8
Lead ICPEPA 200.7
Lead ICPMSEPA 200.8
Magnesium ICPEPA 200.7
Magnesium ICPMSEPA 200.8
Manganese ICPEPA 200.7
Manganese ICPMSEPA 200.8
Mercury DWEPA 245.2
Mercury ICPMSEPA 200.8
Molybdenum ICPEPA 200.7
Molybdenum ICPMSEPA 200.8
Nickel ICPEPA 200.7
Nickel ICPMSEPA 200.8
Nitrate Nitrogen as N DWEPA 300.0
Nitrate_NitriteEPA 300.0
Nitrite Nitrogen as N DWEPA 300.0
OdorEPA 140.1
pHSM 4500H+B
Phosphate, OrthoSM 4500PE
Phosphorus, HydrolyzableSM 4500-P
Phosphorus, TotalSM 4500PE
Potassium ICPEPA 200.7
Selenium ICPEPA 200.7
Selenium ICPMSEPA 200.8
Silicon ICPEPA 200.7
Silver ICPEPA 200.7
Silver ICPMSEPA 200.8
Sodium ICPEPA 200.7
Specific ConductivitySM 2510B
Strontium ICPEPA 200.7
Sulfate DWEPA 300.0
SurfactantsEPA 425.1
Thallium ICPMSEPA 200.8
Tin ICPEPA 200.7
Titanium ICPEPA 200.7
Total AlkalinitySM 2320B
Total Chlorine, DPDSM 4500-Cl G
Total ColiformSM 9223B
Total Dissolved SolidsSM 2540C
Total Residual ChlorineSM 4500ClD
Total TrihalomethanesEPA 524.2
Turbidity DWEPA 180.1
Uranium ICPMSEPA 200.8
Vanadium ICPEPA 200.7
Vanadium ICPMSEPA 200.8
Zinc ICPEPA 200.7
Zinc ICPMSEPA 200.8
Zirconium ICPEPA 200.7
Groundwater

1664 HEMEPA 1664A
1664 SGTEPA 1664A
8010 ListSW-846 8260C
8010 Short ListSW-846 8260C
8020 ListSW-846 8260C
8021 ListSW-846 8260C
8260 CT RCP ListSW-846 8260C
8260 TCLSW-846 8260C
Aluminum ICPSW-846 6010C
Aluminum ICPMSEPA 200.8
AmmoniaSM 4500NH3D
Antimony ICPSW-846 6010C
Antimony ICPMSSW-846 6020B
Arsenic ICPSW-846 6010C
Arsenic ICPMSSW-846 6020B
Barium ICPSW-846 6010C
Barium ICPMSSW-846 6020B
Beryllium ICPSW-846 6010C
Beryllium ICPMSSW-846 6020B
BOD20SM 5210B
BOD5SM 5210B
Cadmium ICPSW-846 6010C
Cadmium ICPMSSW-846 6020B
Calcium ICPSW-846 6010C
ChlorideSW-846 9056A
Chromium, Total ICPSW-846 6010C
Chromium, Total ICPMSSW-846 6020B
Cobalt ICPSW-846 6010C
Cobalt ICPMSSW-846 6020B
CODEPA 410.4
Copper ICPSW-846 6010C
Copper ICPMSSW-846 6020B
CyanideSW-846 9014
Cyanide, AmenableSW-846 9014
Dissolved OxygenSM 4500OG
E. coliSM 9223B
eTPHCT eTPH
Fecal ColiformSM 9222D
Fecal ColilertColilert®-18
FlashpointSW-846 1010A
FluorideSW-846 9056A
FormaldehydeNIOSH 3500
Gold ICPMSSW-846 6020B
HardnessSM 2340 B
Hexavalent ChromiumSW-846 7196A
HPCSM 9215B
Iron ICPSW-846 6010C
Iron ICPMSSW-846 6020B
Lead ICPSW-846 6010C
Lead ICPMSSW-846 6020B
Magnesium ICPSW-846 6010C
Manganese ICPSW-846 6010C
Manganese ICPMSSW-846 6020B
MercurySW-846 7470A
Mercury ICPMSSW-846 6020B
Molybdenum ICPSW-846 6010C
Nickel ICPSW-846 6010C
Nickel ICPMSSW-846 6020B
NitrateSW-846 9056A
Nitrate_NitriteSW-846 9056A
NitriteSW-846 9056A
ORPSM 2580
PCBsSW-846 8082A
PesticidesSW-846 8081B
pHSW-846 9040C
Phosphorus, TotalSM 4500PE
Phosphorus, Total ICPSW-846 6010C
Potassium ICPSW-846 6010C
RCRA PCBSW-846 8082A
Reactive CyanideSW-846 Chapter 7
Reactive SulfideSW-846 Chapter 7
Selenium ICPSW-846 6010C
Selenium ICPMSSW-846 6020B
Silver ICPSW-846 6010C
Silver ICPMSSW-846 6020B
Sodium ICPSW-846 6010C
Specific ConductivitySW-846 9050A
SulfateSW-846 9056A
SulfideEPA 376.2
SV 8270 CT RCP ListSW-846 8270D
SV PAHSW-846 8270D
Thallium ICPMSSW-846 6020B
Tin ICPSW-846 6010C
Tin ICPMSSW-846 6020B
Titanium ICPSW-846 6010C
Titanium ICPMSSW-846 6020B
TNCalculated
Total AlkalinitySM 2320B
Total Dissolved SolidsSM 2540C
Total Kjeldahl NitrogenSM 4500NH3D
Total NitrogenCalculated
Total Residual ChlorineSM 4500ClD
Total Settleable SolidsSM 2540F
Total SulfideSM 4500S2F
Total Suspended SolidsSM 2540D
TPHSW-846 8015C
TungstenSW-846 6010C
Tungsten ICPMSSW-846 6020B
TurbidityEPA 180.1
Vanadium ICPSW-846 6010C
Vanadium ICPMSSW-846 6020B
VOC OxygenatesSW-846 8260C
VOCs Wastewater fullEPA 624
Zinc ICPSW-846 6010C
Zinc ICPMSSW-846 6020B
Solid

1664 HEMEPA 1664A
1664 SGTEPA 1664A
8010 ListSW-846 8260C
8260 CT RCP List DISW-846 8260C
Aluminum ICPSW-846 6010C
Aluminum ICPMSSW-846 6020B
AmmoniaSM 4500NH3D
Antimony ICPSW-846 6010C
Antimony ICPMSSW-846 6020B
Arsenic ICPSW-846 6010C
Arsenic ICPMSSW-846 6020B
Barium ICPSW-846 6010C
Barium ICPMSSW-846 6020B
Beryllium ICPSW-846 6010C
Beryllium ICPMSSW-846 6020B
Boron ICPSW-846 6010C
BTEXSW-846 8260C
Cadmium ICPSW-846 6010C
Cadmium ICPMSSW-846 6020B
Calcium ICPSW-846 6010C
ChlorideSW-846 9056A
Chromium, Total ICPSW-846 6010C
Chromium, Total ICPMSSW-846 6020B
Cobalt ICPSW-846 6010C
Cobalt ICPMSSW-846 6020B
CODEPA 410.4
Copper ICPSW-846 6010C
Copper ICPMSSW-846 6020B
Cyanide Rotary ExtractionSW-846 9014
Cyanide SolidSW-846 9014
Cyanide, Amenable SolidSW-846 9014
E. coliSM 9223B
eTPH SolidCT eTPH
FlashpointSW-846 1010A
FluorideSW-846 9056A
FormaldehydeNIOSH 3500
Gold ICPMSSW-846 6020B
Group AlkalinitySM 2320
HalogensSW-846 9056A
HardnessSM 2340 B
Hexavalent ChromiumSW-846 7196A
IgnitabilitySW-846 1030
Iron ICPSW-846 6010C
Iron ICPMSSW-846 6020B
Lead ICPSW-846 6010C
Lead ICPMSSW-846 6020B
Magnesium ICPSW-846 6010C
Manganese ICPSW-846 6010C
Manganese ICPMSSW-846 6020B
MercurySW-846 7471B
Mercury ICPMSSW-846 6020B
Molybdenum ICPSW-846 6010C
Nickel ICPSW-846 6010C
Nickel ICPMSSW-846 6020B
NitrateSW-846 9056A
NitriteSW-846 9056A
Paint Filter Liquid testSW-846 9095B
PCB SOXHLETSW-846 8082A
PCB Waste DilutionsSW-846 8082A
Percent SolidSM 2540G
PesticidesSW-846 8081B
pHSW-846 9045D
Phosphorus, TotalSM 4500PE
Phosphorus, Total ICPSW-846 6010C
Potassium ICPSW-846 6010C
Selenium ICPSW-846 6010C
Selenium ICPMSSW-846 6020B
Silver ICPSW-846 6010C
Sodium ICPSW-846 6010C
Specific ConductivitySW-846 9050A
SPLP CR6 ExtractionSW-846 1312
SPLP Metals ExtractionSW-846 1312
SPLP PCBs ExtractionSW-846 1312
SPLP Pesticide ExtractionSW-846 1312
SPLP SV ExtractionSW-846 1312
SPLP TPH ExtractionSW-846 1312
SPLP ZHE ExtractionSW-846 1312
Strontium ICPSW-846 6010C
Strontium ICPMSSW-846 6020B
SulfateSW-846 9056A
SV 8270 CT RCP ListSW-846 8270D
TCLP CR6 ExtractionSW-846 1311
TCLP Metals ExtractionSW-846 1311
TCLP PCB ExtractionSW-846 1311
TCLP SV ExtractionSW-846 1311
TCLP ZHE ExtractionSW-846 1311
Thallium ICPSW-846 6010C
Thallium ICPMSSW-846 6020B
Tin ICPSW-846 6010C
Tin ICPMSSW-846 6020B
Titanium ICPSW-846 6010C
Titanium ICPMSSW-846 6020B
TNCalculated
Total Kjeldahl NitrogenSM 4500NH3D
TPHSW-846 8015C
TungstenSW-846 6010C
TVSEPA 160.4
Vanadium ICPSW-846 6010C
Vanadium ICPMSSW-846 6020B
Zinc ICPSW-846 6010C
Zinc ICPMSSW-846 6020B
WasteWater

1664 HEMEPA 1664A
1664 HEM AverageEPA 1664A
1664 SGTEPA 1664A
1664 SGT AverageEPA 1664A
8015 Glycol AlcoholSW-846 8015C
8260 CT RCP ListSW-846 8260C
AcetoneEPA 624
Aluminum ICPEPA 200.7
Aluminum ICPMSEPA 200.8
AmmoniaSM 4500NH3D
Antimony ICPEPA 200.7
Antimony ICPMSEPA 200.8
Arsenic ICPEPA 200.7
Arsenic ICPMSEPA 200.8
Barium ICPEPA 200.7
Barium ICPMSEPA 200.8
Beryllium ICPEPA 200.7
Beryllium ICPMSEPA 200.8
BOD20SM 5210B
BOD5SM 5210B
Boron ICPEPA 200.7
Boron ICPMSEPA 200.8
BromideEPA 300.0
Cadmium ICPEPA 200.7
Cadmium ICPMSEPA 200.8
Calcium ICPEPA 200.7
CBODSM 2510B
ChlorideEPA 300.0
Chromium, Total ICPEPA 200.7
Chromium, Total ICPMSEPA 200.8
Cobalt ICPEPA 200.7
Cobalt ICPMSEPA 200.8
CODEPA 410.4
Coliform – Presence/AbsentSM 9223B
ColorSM 2120B
Copper ICPEPA 200.7
Copper ICPMSEPA 200.8
Cyanide, AmenableSM 4500-CN G
Cyanide, Total10-204-00-1X
Dissolved OxygenSM 4500OG
E. coliSM 9223B
Ethanol Amine8015
eTPHCT eTPH
Fecal ColiformSM 9222D
Fecal ColilertColilert®-18
FlashpointSW-846 1010A
FluorideEPA 300.0
FormaldehydeNIOSH 3500
GoldEPA 200.7
Gold ICPMSEPA 200.8
HalogensSW-846 9056A
HardnessSM 2340 B
Hexavalent ChromiumSM 3500CRB
HPCSM 9215 B
Iron ICPEPA 200.7
Iron ICPMSEPA 200.8
Iron TypesEPA 200.7
Lead ICPEPA 200.7
Lead ICPMSEPA 200.8
Magnesium ICPEPA 200.7
Manganese ICPEPA 200.7
Manganese ICPMSEPA 200.8
MercuryEPA 245.2
Mercury ICPMSEPA 200.8
Molybdenum ICPEPA 200.7
Molybdenum ICPMSEPA 200.8
Nickel ICPEPA 200.7
Nickel ICPMSEPA 200.8
Nitrate Nitrogen as NEPA 300.0
Nitrate_NitriteEPA 300.0
Nitrite Nitrogen as NEPA 300.0
OdorEPA 140.1
ORPSM 2580
PCBsEPA 608
pHSM 4500H+B
Phosphate, OrthoSM 4500PE
Phosphorus, TotalSM 4500PE
Phosphorus, Total ICPEPA 200.7
Potassium ICPEPA 200.7
Selenium ICPEPA 200.7
Selenium ICPMSEPA 200.8
Silicon ICPEPA 200.7
Silver ICPEPA 200.7
Silver ICPMSEPA 200.8
SO3SM 4500SO3-B
Sodium ICPEPA 200.7
Specific ConductivitySM 2510B
Strontium ICPEPA 200.7
Strontium ICPMSEPA 200.8
Sub_FormaldehydeEPA 1667
SulfateEPA 300.0
SulfideEPA 376.2
SurfactantsEPA 425.1
SV 8270 CT RCP ListEPA 625
Thallium ICPEPA 200.7
Thallium ICPMSEPA 200.8
TICs VOCsEPA 624
Tin ICPEPA 200.7
Tin ICPMSEPA 200.8
Titanium ICPEPA 200.7
Titanium ICPMSEPA 200.8
Total AlkalinitySM 2320B
Total ColiformSM 9223B
Total Dissolved SolidsSM 2540C
Total Kjeldahl NitrogenSM 4500NH3D
Total Organic NitrogenSM 4500NH3D
Total Residual ChlorineSM 4500ClD
Total Settleable SolidsSM 2540F
Total SolidsSM 2540B
Total SulfideSM 4500S2F
Total Suspended SolidsSM 2540D
Tungsten ICPMSEPA 200.8
TurbidityEPA 180.1
TVSEPA 160.4
Uranium ICPMSEPA 200.8
Vanadium ICPEPA 200.7
Vanadium ICPMSEPA 200.8
VOCs Wastewater fullEPA 624
Wastewater SVOCsEPA 625
Zinc ICPEPA 200.7
Zinc ICPMSEPA 200.8
Zirconium ICPEPA 200.7