Bioassay Aquatic Toxicity Testing Services

Element's comprehensive testing capabilities cover the full spectrum of your environmental testing needs. From drilling fluids and produced water to chemical additives and effluents, we handle both routine and specialized materials. Our expertise spans water-based and synthetic-based drilling muds, sediment toxicity testing, and product qualification analysis. Whether you're in the petroleum, industrial, or municipal sector, we test the critical components that impact your compliance requirements and product development.

We deliver a complete range of aquatic toxicity testing solutions tailored to your specific needs. Our services include acute and chronic toxicity testing in both freshwater and saltwater environments, specialized LC50 testing, sediment toxicity analysis, and comprehensive effluent testing. We support your R&D requirements with technical expertise for EPA product registration and provide GLP-compliant testing protocols that ensure regulatory compliance. Our unique ability to offer both analytical and toxicity testing under one roof streamlines your testing process and accelerates time to market.

Aquatic toxicity testing services: 

• Drilling Fluid LC50 Testing (WBM and SBM) 
• Sediment Toxicity Testing (SBM) 
• Drilling Fluid Additive LC50 Testing (WBM and SBM) 
• Freshwater Toxicity Testing - Acute and Chronic 
• Saltwater Toxicity Testing - Acute and Chronic 
• Produced Water Toxicity Testing - Acute and Chronic 
• Miscellaneous Discharge Toxicity Testing 
• Chemical Additive Toxicity Testing - Acute and Chronic 
• NCP Toxicity Testing 

Are you looking for a service you can't find anywhere else? Element's broad array of aquatic toxicity services can help you. 

• OECD 201, Algal Growth Inhibition Test 
• OECD 202, Daphnia magna or Daphnia pulex, 48-Hr Static Acute Toxicity Test 
• OECD 203, Pimephales promelas (fathead minnow), Menidia beryllina (inland silversides minnow), 96-Hr Acute Toxicity Test 
• OECD 210, Fish Early Life Stage Toxicity Test 
• OECD 211, Daphnia magna or Daphnia pulex, 21-Day Chronic Toxicity Test 
• OECD 215, Fish, Juvenile Growth Test 
• OCSPP 850.135, Mysidopsis bahia (Americamysis bahia) 28-Day Chronic Toxicity Test 
• OCSPP 850.1010, Daphnia magna or Daphnia pulex, 48-Hr Static Acute Toxicity Test 
• OCSPP 850.1035, Mysidopsis bahia (Americamysis bahia) 96-Hr Acute Toxicity Test 
• OCSPP 850.1075, Pimephales promelas (fathead minnow), Menidia beryllina (inland silversides minnow), 96-Hr Acute Toxicity Test 
• OCSPP 850.1300, Daphnia magna or Daphnia pulex, 21-Day Chronic Toxicity Test 
• OCSPP 850.5400, Algal Growth Inhibition Test

Toxicity analyses available 

Drilling Fluids

• Aquatic LC50 (SPP) testing using Mysidopsis bahia (Americamysis bahia)
• Sediment Toxicity Tests using Leptocheirus plumulosus 

Freshwater Effluents 

• Chronic and Acute Toxicity Testing using Pimephales promelas (fathead minnows), Ceriodaphnia dubia, Daphnia pulex and Daphnia magna 

Saltwater Effluents 

• Chronic and Acute Toxicity Testing using Mysidopsis bahia (Americamysis bahia) and Menidia beryllina (inland silverside minnows) 

Product Qualification/Development 

Available on chemicals and additives used in the Oil & Gas drilling or production process, industrial chemicals, pesticides and herbicides, using appropriate species and specified durations 

Element Lafayette stands as our center of excellence for aquatic toxicity testing, offering state-of-the-art laboratory facilities equipped for comprehensive bioassay and analytical testing. Our advanced water toxicology laboratory maintains in-house cultures of test organisms, ensuring immediate availability and quality control. As one of the few laboratories in the United States offering both analytical and aquatic toxicity testing services under one roof, we provide unique value through integrated testing capabilities.

Our laboratory participates in annual EPA DMR QA studies and holds multiple critical accreditations including TNI (NELAP), Louisiana DEQ, and Texas CEQ. We maintain reciprocity agreements with several states for WET testing, extending our service reach. Our specialized understanding of offshore oil industry time constraints ensures we meet your urgent testing needs while maintaining the highest quality standards.

Element is a leading expert in environmental testing supporting a variety of testing programs: 

• NPDES 
• GLP-Compliant Bioassay Testing 
• NCP (National Contingency Plan) Product Qualification 
• Product Development/Qualification Testing