Analytical Methods

All laboratory procedures performed at EAI generate data to meet the requirements of our customers and/or any certifying agencies involved in the end use of the data.

Procedures performed at EAI are based on recognized source methods. These include but are not limited to documents published by the EPA, Standard Methods, ASTM or other recognized organizations. Deviations and/or modifications to the recognized method are documented in EAI's internal Standard Operating Procedures (SOPs). All EAI laboratory procedures are documented and approved in individual internal SOPs.

References for source methods include but are not limited to the following documents:

"Methods for Chemical Analysis of Water and Wastes" EPA-600/4-79-020
"Test Methods for Evaluating Solid Waste", SW 846, 3rd edition, Update III.
"Standard Methods for the Examination of Water and Wastewater" 18th ed.
"Annual Book of Standards, Part 31, Water" ASTM
"Method for the Determination of Volatile Petroleum Hydrocarbons (VPH)" Massachusetts Department of Environmental Protection, January 1998.
"Method for the Determination of Extractable Petroleum Hydrocarbons (EPH)" Massachusetts Department of Environmental Protection, January 1998
"Method for Determining Diesel Range Organics (Method 4.1.25)" Maine DEP and HTL
"Method for Determining Gasoline Range Organics (Method 4.1.17)" Maine DEP and HTL
"Handbook for Analytical Quality Control in Water and Wastewater Laboratories", EPA-600/4-79-019, March 1979
"NELAC", July 31, 1997 and updates.
"Manual for the Certification of Laboratories Analyzing Drinking Water" EPA 815-B-97-001, March 1997.