Drilling Fluids Testing
Toxicity Test Methods
EPA-821-R-11-004, Analytic Methods for the Oil and Gas Extraction Point Source Category
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Water or Synthetic Based Drilling Fluids Suspended Particulate Phase (SPP) Toxicity Tests
Americamysis bahia (formerly Mysidopsis bahia), EPA Method 1619
Leptocheirus plumulosus, EPA Method 1644
Artemis salina, Modified EPA Method 1619
96-Hour Acute Static LC50. Range finding and Definitive tests available
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Synthetic Based Drilling Fluids Sediment Toxicity Tests
Leptocheirus plumulosus, EPA Method 1644
96-Hour Definitive Test with required concurrent reference sample.
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Synthetic Base Fluids Sediment Toxicity Tests
Leptocheirus plumulosus, EPA Method 1644
10-Day Definitive Test with required concurrent reference sample
Artemia salina
Mysidopsis bahia
Leptocheirus plumulosus
EE USA can also prepare samples with additives, hot-roll the prepared sample to simulate field conditions, and complete toxicity testing. After hours and rush services available.
Analytical Test Method
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Determination of Crude Oil Contamination in Non-Aqueous Drilling Fluids by Gas Chromatography/Mass Spectrometry (GC/MS), EPA Method 1655
Standard Turnaround Time 1-2 Business Days.
After hours and rush services available.
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Static Sheen Test, EPA Method 1617
EE USA's staff are thoroughly and annually trained to perform tests according to Standard Operating Procedures developed following EPA methodology and NELAP standards. They have the skills and experience to develop methods for special projects as well as complete primary test methods.