EPA uses information from a broad range of vertebrate animal tests to evaluate the potential risks of chemicals, assess potential impacts on the environment, and approve chemicals for certain uses.

Is SW-846 Method 9045D (pH of solids) applicable to organic liquid waste matrices? Section 1.1 of Method 9045D states that the pH of non-aqueous liquids can be determined by the procedure. Water ...

Figure 1. Ultrasonic testing using pulse echo and through-transmission methods. Pulse echo (left and center) uses a transducer that sends and receives ultrasound energy, producing both A- and B-scan ...

One of the keys to any engine development program, from Winston Cup to the Saturday- night racer, is the ability to effectively evaluate changes to the engine. The goal of any engine development ...

Car buyers know to research how well a vehicle will perform. They want to be confident that it won't break under pressure and will last through changing environments. From a software perspective, ...

A Standard Test Method is a conclusive procedure that yields a test result. So as to achieve accurate and relevant test results, a standard test method is definite, unambiguous, and experimentally ...

In the United States, heart disease is the leading cause of death among adults. Vascular stents are vital medical devices that are used to ensure patients increase their life expectancy and lead ...