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.

A closer look at five companies providing food safety and pharmaceutical analysis testing services. CALIFORNIA, CA, ...

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 ...

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 ...

Among the first decisions to be made when initiating a composites testing program is the selection of test methods to follow. Unless performing highly customized testing, it’s usually not difficult to ...

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 ...

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, ...

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 ...

A doctor can diagnose food allergies using a variety of tests, including skin prick tests, blood tests, and oral food challenges. Home test kits are also available, though they have several downsides ...