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Certifications

View our certificates by state, to see what labs cover a state; or by lab, to see the accreditations awarded to that lab.

Lab Certifications

National Certifications

STA
National Issue

Issued By

US Composting Council

Type

Compost

Certifying State

-

USDA
National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants PPQ

Certifying State

Maryland

State-Level Certifications

California
State Issue

Issued By

California Department of Food & Agriculture (CDFA)

Type

Plant Tissues- Pest Permit

Certifying State

California

National Certifications

NELAP
National Issue

Issued By

Florida Department of Health

Type

NELAP

Certifying State

Florida

State-Level Certifications

Georgia
State Issue

Issued By

Department of Natural Resources

Type

DW

Certifying State

Georgia

International - National Permits

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

National Certifications

NAPT
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

ALP
National Issue

Issued By

Agriculture Laboratory Proficiency Program

Type

Soils

Certifying State

-

State-Level Certifications

Illinois
State Issue

Issued By

Illinois Soil Testing Association (ISTA)

Type

Soils

Certifying State

Illinois

Iowa
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Minnesota
State Issue

Issued By

Department of Agriculture

Type

Soils/Manure

Certifying State

Minnesota

Missouri
State Issue

Issued By

Missouri Soil Testing Association (MSTA)

Type

Soils

Certifying State

Missouri

International - National Permits

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

National Certifications

NAPT
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

ALP
National Issue

Issued By

Agriculture Laboratory Proficiency Program

Type

Soils

Certifying State

-

State-Level Certifications

Illinois
State Issue

Issued By

Illinois Soil Testing Association (ISTA)

Type

Soils

Certifying State

Illinois

Iowa
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Minnesota
State Issue

Issued By

Department of Agriculture

Type

Soils/Manure

Certifying State

Minnesota

Missouri
State Issue

Issued By

Missouri Soil Testing Association (MSTA)

Type

Soils

Certifying State

Missouri

National Certifications

NELAP
National Issue

Issued By

Louisiana Department of Environmental Quality

Type

NELAP

Certifying State

Louisiana

National Certifications

NELAP
National Issue

Issued By

Louisiana Department of Environmental Quality

Type

NELAP

Certifying State

Louisiana

State-Level Certifications

Arkansas
State Issue

Issued By

Department of Environmental Quality

Type

WW-SCM

Certifying State

Arkansas

Kentucky
State Issue

Issued By

Energy and Environment Cabinet

Type

WW

Certifying State

Kentucky

State-Level Certifications

North Carolina
State Issue

Issued By

Department of Health and Human Services

Type

SDW

Certifying State

North Carolina

North Carolina
State Issue

Issued By

Division of Water Resources

Type

WW-SCM

Certifying State

North Carolina

South Carolina
State Issue

Issued By

Department of Health and Environmental Control

Type

SDW

Certifying State

South Carolina

South Carolina
State Issue

Issued By

Department of Health and Environmental Control

Type

WW-SCM

Certifying State

South Carolina

State-Level Certifications

North Carolina
State Issue

Issued By

Department of Health and Human Services

Type

DW

Certifying State

North Carolina

North Carolina
State Issue

Issued By

Division of Water Resources

Type

WW-SCM

Certifying State

North Carolina

North Carolina
State Issue

Issued By

Division of Water Resources

Type

WW-SCM for Satellite Lab

Certifying State

North Carolina

National Certifications

NAPT
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

State-Level Certifications

Pennsylvania
State Issue

Issued By

Department of Environmental Protection

Type

SDW

Certifying State

Pennsylvania

National Certifications

NAPT
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Magruder
National Issue

Issued By

Magruder Fertilizer Sample Check Program

Type

Fertilizer

Certifying State

-

MAPT
National Issue

Issued By

Manure Analysis Proficiency Program

Type

Manure

Certifying State

-

State-Level Certifications

Tennessee
State Issue

Issued By

Department of Environment and Conservation

Type

SDW

Certifying State

Tennessee

International - National Permits

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants

Certifying State

-

National Certifications

NELAP
National Issue

Issued By

Florida Department of Health

Type

NELAP

Certifying State

Florida

NELAP
National Issue

Issued By

Illinois Environmental Protection Agency

Type

NELAP

Certifying State

Illinois

NELAP
National Issue

Issued By

Department of Environmental Quality

Type

NELAP

Certifying State

Louisiana

NELAP
National Issue

Issued By

Department of Environmental Protection

Type

NELAP

Certifying State

Pennsylvania

NELAP
National Issue

Issued By

Texas Commission on Environmental Quality

Type

NELAP

Certifying State

Texas

NELAP
National Issue

Issued By

Department of General Services-DCLS

Type

NELAP

Certifying State

Virginia

State-Level Certifications

Alabama
State Issue

Issued By

Department of Environmental Management

Type

SDW

Certifying State

Alabama

Arkansas
State Issue

Issued By

Department of Environmental Quality

Type

WW-SCM

Certifying State

Arkansas

California
State Issue

Issued By

Environmental Laboratory Accreditation Program

Type

DW-WW-SCM

Certifying State

California

Georgia
State Issue

Issued By

Department of Natural Resources

Type

DW

Certifying State

Georgia

Georgia
State Issue

Issued By

NELAP Accrediting Authority

Type

DW

Certifying State

Georgia

Kentucky
State Issue

Issued By

Energy and Environment Cabinet

Type

DW

Certifying State

Kentucky

Kentucky
State Issue

Issued By

Energy and Environment Cabinet

Type

WW

Certifying State

Kentucky

Kentucky UST
State Issue

Issued By

Department of Environmental Protection

Type

WW-SCM

Certifying State

Kentucky

Louisiana
State Issue

Issued By

Department of Health

Type

SDW

Certifying State

Louisiana

Mississippi
State Issue

Issued By

Department of Health

Type

SDW

Certifying State

Mississippi

North Carolina
State Issue

Issued By

Division of Water Resources

Type

WW-SCM

Certifying State

North Carolina

North Carolina
State Issue

Issued By

Department of Health and Human Services

Type

SDW

Certifying State

North Carolina

South Carolina
State Issue

Issued By

Department of Health and Environmental Control

Type

WW-SCM

Certifying State

South Carolina

Tennessee
State Issue

Issued By

Department of Environment and Conservation

Type

SDW

Certifying State

Tennessee

Virginia
State Issue

Issued By

Department of General Services-DCLS

Type

SDW

Certifying State

Virginia

International - National Permits

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants

Certifying State

-

National Certifications

NAPT
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

ALP
National Issue

Issued By

Agriculture Laboratory Proficiency Program

Type

Soils

Certifying State

-

Magruder
National Issue

Issued By

Magruder Fertilizer Sample Check Program

Type

Fertilizer

Certifying State

-

State-Level Certifications

Illinois
State Issue

Issued By

Illinois Soil Testing Association (ISTA)

Type

Soils

Certifying State

Illinois

Iowa
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Minnesota
State Issue

Issued By

Department of Agriculture

Type

Manure

Certifying State

Minnesota

Minnesota
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Minnesota

Missouri
State Issue

Issued By

Missouri Soil Testing Association (MSTA)

Type

Soils

Certifying State

Missouri

International - National Permits

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants

Certifying State

-

International - National Permits

USDA
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

National Certifications

NAPT
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

State-Level Certifications

Iowa
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Minnesota
State Issue

Issued By

Department of Agriculture

Type

Soils/Manure

Certifying State

Minnesota

Certifying State

Memphis, TN Lab
State Issue

Issued By

Department of Environmental Management

Type

SDW

Certifying State

Alabama

Ridgeland, MS Lab
State Issue

Issued By

Department of Environmental Quality

Type

WW-SCM

Certifying State

Arkansas

Memphis, TN Lab
State Issue

Issued By

Department of Environmental Quality

Type

WW-SCM

Certifying State

Arkansas

Anaheim, CA Lab
State Issue

Issued By

California Department of Food & Agriculture (CDFA)

Type

Plant Tissues- Pest Permit

Certifying State

California

Memphis, TN Lab
State Issue

Issued By

Environmental Laboratory Accreditation Program

Type

DW-WW-SCM

Certifying State

California

Bremen, GA Lab
National Issue

Issued By

Florida Department of Health

Type

NELAP

Certifying State

Florida

Memphis, TN Lab
National Issue

Issued By

Florida Department of Health

Type

NELAP

Certifying State

Florida

Bremen, GA Lab
State Issue

Issued By

Department of Natural Resources

Type

DW

Certifying State

Georgia

Memphis, TN Lab
State Issue

Issued By

Department of Natural Resources

Type

DW

Certifying State

Georgia

Memphis, TN Lab
State Issue

Issued By

NELAP Accrediting Authority

Type

DW

Certifying State

Georgia

Champaign, IL Lab
State Issue

Issued By

Illinois Soil Testing Association (ISTA)

Type

Soils

Certifying State

Illinois

Atlantic, IA Lab
State Issue

Issued By

Illinois Soil Testing Association (ISTA)

Type

Soils

Certifying State

Illinois

Memphis, TN Lab
State Issue

Issued By

Illinois Soil Testing Association (ISTA)

Type

Soils

Certifying State

Illinois

Memphis, TN Lab
National Issue

Issued By

Illinois Environmental Protection Agency

Type

NELAP

Certifying State

Illinois

Champaign, IL Lab
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Atlantic, IA Lab
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Memphis, TN Lab
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Richmond, VA Lab
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Iowa

Ridgeland, MS Lab
State Issue

Issued By

Energy and Environment Cabinet

Type

WW

Certifying State

Kentucky

Memphis, TN Lab
State Issue

Issued By

Energy and Environment Cabinet

Type

DW

Certifying State

Kentucky

Memphis, TN Lab
State Issue

Issued By

Energy and Environment Cabinet

Type

WW

Certifying State

Kentucky

Memphis, TN Lab
State Issue

Issued By

Department of Environmental Protection

Type

WW-SCM

Certifying State

Kentucky

Marrero, LA Lab
National Issue

Issued By

Louisiana Department of Environmental Quality

Type

NELAP

Certifying State

Louisiana

Ridgeland, MS Lab
National Issue

Issued By

Louisiana Department of Environmental Quality

Type

NELAP

Certifying State

Louisiana

Memphis, TN Lab
National Issue

Issued By

Department of Environmental Quality

Type

NELAP

Certifying State

Louisiana

Memphis, TN Lab
State Issue

Issued By

Department of Health

Type

SDW

Certifying State

Louisiana

Anaheim, CA Lab
National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants PPQ

Certifying State

Maryland

Champaign, IL Lab
State Issue

Issued By

Department of Agriculture

Type

Soils/Manure

Certifying State

Minnesota

Atlantic, IA Lab
State Issue

Issued By

Department of Agriculture

Type

Soils/Manure

Certifying State

Minnesota

Memphis, TN Lab
State Issue

Issued By

Department of Agriculture

Type

Manure

Certifying State

Minnesota

Memphis, TN Lab
State Issue

Issued By

Department of Agriculture

Type

Soils

Certifying State

Minnesota

Richmond, VA Lab
State Issue

Issued By

Department of Agriculture

Type

Soils/Manure

Certifying State

Minnesota

Memphis, TN Lab
State Issue

Issued By

Department of Health

Type

SDW

Certifying State

Mississippi

Champaign, IL Lab
State Issue

Issued By

Missouri Soil Testing Association (MSTA)

Type

Soils

Certifying State

Missouri

Atlantic, IA Lab
State Issue

Issued By

Missouri Soil Testing Association (MSTA)

Type

Soils

Certifying State

Missouri

Memphis, TN Lab
State Issue

Issued By

Missouri Soil Testing Association (MSTA)

Type

Soils

Certifying State

Missouri

Charlotte, NC Lab
State Issue

Issued By

Department of Health and Human Services

Type

SDW

Certifying State

North Carolina

Charlotte, NC Lab
State Issue

Issued By

Division of Water Resources

Type

WW-SCM

Certifying State

North Carolina

Greenville, NC Lab
State Issue

Issued By

Department of Health and Human Services

Type

DW

Certifying State

North Carolina

Greenville, NC Lab
State Issue

Issued By

Division of Water Resources

Type

WW-SCM

Certifying State

North Carolina

Greenville, NC Lab
State Issue

Issued By

Division of Water Resources

Type

WW-SCM for Satellite Lab

Certifying State

North Carolina

Memphis, TN Lab
State Issue

Issued By

Division of Water Resources

Type

WW-SCM

Certifying State

North Carolina

Memphis, TN Lab
State Issue

Issued By

Department of Health and Human Services

Type

SDW

Certifying State

North Carolina

Leola, PA Lab
State Issue

Issued By

Department of Environmental Protection

Type

SDW

Certifying State

Pennsylvania

Memphis, TN Lab
National Issue

Issued By

Department of Environmental Protection

Type

NELAP

Certifying State

Pennsylvania

Charlotte, NC Lab
State Issue

Issued By

Department of Health and Environmental Control

Type

SDW

Certifying State

South Carolina

Charlotte, NC Lab
State Issue

Issued By

Department of Health and Environmental Control

Type

WW-SCM

Certifying State

South Carolina

Memphis, TN Lab
State Issue

Issued By

Department of Health and Environmental Control

Type

WW-SCM

Certifying State

South Carolina

Jackson, TN Lab
State Issue

Issued By

Department of Environment and Conservation

Type

SDW

Certifying State

Tennessee

Memphis, TN Lab
State Issue

Issued By

Department of Environment and Conservation

Type

SDW

Certifying State

Tennessee

Memphis, TN Lab
National Issue

Issued By

Texas Commission on Environmental Quality

Type

NELAP

Certifying State

Texas

Memphis, TN Lab
National Issue

Issued By

Department of General Services-DCLS

Type

NELAP

Certifying State

Virginia

Memphis, TN Lab
State Issue

Issued By

Department of General Services-DCLS

Type

SDW

Certifying State

Virginia

Anaheim, CA Lab
National Issue

Issued By

US Composting Council

Type

Compost

Certifying State

-

Champaign, IL Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

Champaign, IL Lab
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Champaign, IL Lab
National Issue

Issued By

Agriculture Laboratory Proficiency Program

Type

Soils

Certifying State

-

Atlantic, IA Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

Atlantic, IA Lab
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Atlantic, IA Lab
National Issue

Issued By

Agriculture Laboratory Proficiency Program

Type

Soils

Certifying State

-

Wilson, NC Lab
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Leola, PA Lab
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Leola, PA Lab
National Issue

Issued By

Magruder Fertilizer Sample Check Program

Type

Fertilizer

Certifying State

-

Leola, PA Lab
National Issue

Issued By

Manure Analysis Proficiency Program

Type

Manure

Certifying State

-

Memphis, TN Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

Memphis, TN Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants

Certifying State

-

Memphis, TN Lab
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Memphis, TN Lab
National Issue

Issued By

Agriculture Laboratory Proficiency Program

Type

Soils

Certifying State

-

Memphis, TN Lab
National Issue

Issued By

Magruder Fertilizer Sample Check Program

Type

Fertilizer

Certifying State

-

Memphis, TN Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

Memphis, TN Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants

Certifying State

-

Richmond, VA Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

Richmond, VA Lab
National Issue

Issued By

North American Proficiency Testing Program

Type

Soils/Plant Tissue

Certifying State

-

Richmond, VA Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Soils

Certifying State

-

Richmond, VA Lab
International-National Issue

Issued By

United States Department of Agriculture

Type

APHIS- Plants

Certifying State

-

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