Environmental Fate & Degradation Services
The Environmental Fate team at Brixham are a dedicated team of expert scientists who concentrate on evaluating the partitioning and degradation behaviour of test substances in environmental compartments.
We have a well-earned reputation for delivering hi...
We have a well-earned reputation for delivering high quality data in a variety of industry sectors, including; pharmaceutical, agrochemical and petrochemical companies. We regularly provide support for customers requiring guidance on REACh, EPA, FDA, EMEA and OECD regulations.
Our team has extensive experience in delivering a comprehensive range of studies to a variety of international test guidelines. Please see Our Services for more details. The team has a high-tech radiochemistry laboratory, and routinely performs studies with radio-labelled test substances.
We are eager to tackle novel or challenging studies, and have substantial knowledge of working with difficult test substances. We are keen to collaborate with our clients to provide innovative solutions to fulfil their more demanding testing requirements.
Our Services
The suite of microbial toxicity, degradation and environmental fate tests available at Brixham Environmental Laboratory are shown below:
Screens
Toxicity assessment & screening tests
Microbial toxicity - ASRIT (OECD 209, OPPTS 850.6800)
Toxicity to Pseudomonas putida
Nitrification inhibition
Anaerobic degradation inhibition
5 day biochemical oxygen demand (BOD5), chemical oxygen demand (COD) and
organic carbon analysis.
Ready biodegradation tests
DOC die-away test (OECD 301A)
28 day Sturm (CO2 evolution (OECD 301B)
Modified MITI manometric test (OECD 301C)
Closed bottle BOD28 (OECD 301D)
Modified OECD screening test (MOST) (OECD 301E)
Manometric respirometry (Hach - MITI) (OECD 301F)
Ready biodegradability (OPPTS 835.3110)
Closed bottle CO2 evolution (ISO)
Seawater biodegradation (OECD 306)
Higher Tier Fate Studies
Simulation degradation tests
Sewage Treatment simulation: activated sludge units (OECD 303A)
Sewage treatment simulation: biofilms (OECD 303B)
Transformation in soil (OECD 307)
Transformation in sediment (OECD 308)
Aerobic biodegradation in surface water (OECD 309)
Biodegradability of chemicals discharged to wastewater (OECD 314)
Abiotic degradation tests
Photolysis (SETAC, OPPTS 835.2210, OECD 316)
Inherent biodegradation tests
Semi-continuous activated sludge (SCAS) (OECD 302A, OPPTS 835.3210)
Zahn-Wellens (OECD 302B, OPPTS 835.3200)
Partitioning tests
Adsorption/desorption (OECD 106, OPPTS 835.1110)
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