Oil and Grease Measurement Improvement for Better Auditability
Oral Presentation
Prepared by Z. Grosser, C. Schewe, M. Ebitson, A. Cannon, D. Gallagher
Horizon Technology, Inc., 16 Northwestern Drive, Salem, NH, 03079, United States
Contact Information: [email protected]; 603-386-3654
ABSTRACT
Oil and Grease analysis is a simple measurement that can give an indication of water quality indicating a variety of possible pollutants. The determinative step is often gravimetric, also simple to use and balances are easily obtainable. This method is used in various forms around the world and is written into a variety of regulatory and consensus standards. For example, oil and grease is a method defined parameter and used quantitatively to asses compliance of a waste stream. But for evaluation of a waste site or landfill it may be used as a screening method and further analyses initiated to more specifically determine the amount and type of contamination.
In the US, oil and grease measurement is typically used as a permit parameter in the National Pollutant Discharge Elimination System (NPDES). As an example, more than 15,000 establishments in the state of Alabama are required to control oil and grease discharge to a permit value. Laboratories performing this analysis are generally accredited and subject to audits from state assessors. In addition, they have requirements from clients that constrain the number and quality of samples.
The intent of this paper is to address some of the more common audit findings or individual concerns using statements taken directly from the method itself or from official releases made by EPA. In addition, a special focus will be made with regards to addressing both user and auditor concerns regarding the use of automated Solid Phase Extraction (SPE) for this analysis. Implementation of method requirements, also consistent with client needs will be discussed.
Oral Presentation
Prepared by Z. Grosser, C. Schewe, M. Ebitson, A. Cannon, D. Gallagher
Horizon Technology, Inc., 16 Northwestern Drive, Salem, NH, 03079, United States
Contact Information: [email protected]; 603-386-3654
ABSTRACT
Oil and Grease analysis is a simple measurement that can give an indication of water quality indicating a variety of possible pollutants. The determinative step is often gravimetric, also simple to use and balances are easily obtainable. This method is used in various forms around the world and is written into a variety of regulatory and consensus standards. For example, oil and grease is a method defined parameter and used quantitatively to asses compliance of a waste stream. But for evaluation of a waste site or landfill it may be used as a screening method and further analyses initiated to more specifically determine the amount and type of contamination.
In the US, oil and grease measurement is typically used as a permit parameter in the National Pollutant Discharge Elimination System (NPDES). As an example, more than 15,000 establishments in the state of Alabama are required to control oil and grease discharge to a permit value. Laboratories performing this analysis are generally accredited and subject to audits from state assessors. In addition, they have requirements from clients that constrain the number and quality of samples.
The intent of this paper is to address some of the more common audit findings or individual concerns using statements taken directly from the method itself or from official releases made by EPA. In addition, a special focus will be made with regards to addressing both user and auditor concerns regarding the use of automated Solid Phase Extraction (SPE) for this analysis. Implementation of method requirements, also consistent with client needs will be discussed.
