epa method 1664 Articles

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Factors Affecting Oil in Water Testing Methods

by Wilks Enterprise, Inc.  (Feb. 4, 2013)

Various factors need to be considered when comparing methods to measure oil and grease in water.  Whether you are trying to meet effluent limits for an NPDES (National Pollutant Discharge Elimination System) permit, comply with oil and grease limits for the Clean Water Act (CWA), or an industry satisfying a POTW’s (Publically Owned ...

Will your oil in water analysis method match the regulatory method?

by Wilks Enterprise, Inc.  (Jun. 20, 2012)

Anyone involved in field analysis of oil in water will continually get the question “Does your equipment match the regulatory method?” While the amount of oil in water is highly regulated -- it can also be a challenging measurement. It is complicated by the fact that oil comes in many forms and the measurement is defined by the ...

Maintaining regulatory method compliance while automating oil and grease analysis

by Horizon Technology, Inc.  (Nov. 10, 2013)

Regulatory compliance is at the heart of environmental analyses throughout the world. While some regulatory systems provide more flexibility in the methodology used for measuring contaminants, the goal is to gain reliable information that can be used for decision-making. Oil and grease measurement is a simple and important measurement of water ...

Comparing Oil in Water Analysis Methods

by Wilks Enterprise, Inc.  (Jun. 19, 2012)

Wilks Enterprise has published a new White Paper that discusses various oil in water methods and their correlation with regulatory methods. While the amount of oil in water is highly regulated -- it can also be a challenging measurement.  It is complicated by the fact that oil comes in many forms and the measurement is defined by the ...

New ASTM Test Method Offers Quick and Easy Oil and Grease Measurement for Water and Soil Samples

by Wilks Enterprise, Inc.  (Jun. 8, 2007)

Onsite Field Measurement of Oil and Grease A quick and easy field analysis method for determining oil and grease concentration levels is important for both offshore oil platforms and soil remediation sites.. Prior to the Montreal Protocol, infrared (IR) analysis using Freon as an extraction solvent was a widely used field and laboratory method. In ...

Oil & Grease applications notes

by Horizon Technology, Inc.  (Nov. 10, 2013)

EPA Method 1664A & 1664Bwas developed to determine the precise amount of n-Hexane Extractable Material (HEM) and Silica Gel Treated n-Hexane Extractable Material (SGT-HEM) that exist within a water sample. The HEM or SGT-HEM that is extracted contains a mix of various hydrocarbons usually residing within the semi-volatile range with a ...

Understanding Oil-in-Water Instrument Specifications

by Turner Designs Hydrocarbon Instruments, Inc.  (Jan. 18, 2011)

The measurement capabilities of oil-in-water analysis methods are described by several analytical figures-of-merit. Examples are: Range (Linear and Dynamic) Limit of Detection (LOD) Limit of Quantification (LOQ) Precision (Repeatability and Reproducibility) Sensitivity Accuracy Response Time Some or all of these are often specified by customers in ...

Groundwater Remediation Case Study

by Integrated Engineers Inc.  (Jan. 29, 2009)

Wastewater Treatment Success Stories Groundwater Remediation This sample is representative of the ground water that contains diesel fuel from years past. The facility currently uses traditional ...

Case study: Contract title - ADCO Drilling Operations

by RLC Technologies, Inc.  (Jan. 23, 2013)

Contract Location: Habshan, U.A.E. Contract Start Date: 10/2002 Contract Finish Date: 2005 Quantity Treated (m3): 30,000 tons Treatment Method: Thermal Desorption Rate of Treatment (m3/hr): 3.5 to 4.5 tons per hour (dependent upon feed) Working Hours per Day: 24 Working Days per Week: 5.5 Project Description: RLC Technologies contracted to ...

Emulsion-Breaking Techniques for Accurate Oil in Water Measurements

by Wilks Enterprise, Inc.  (Sep. 28, 2010)

A White Paper discusses emulsion-breaking techniques for ensuring accurate oil in water measurements. Certain water samples, such as those containing detergent, may form an emulsion when oil in water extraction into a solvent is done. In order to ensure an accurate measurement, the emulsion must be broken. Six techniques are ...

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