NSF/ANSI/CAN 600-2024: Chemicals in Drinking Water
The Center for Disease Control and Prevention (CDC) estimates that 1.1 million people in the United States get sick every year from germs in drinking…
ASTM F1977-22: Vacuum Cleaner System
A vacuum cleaner uses the force exerted by its air flow, along with a brushing action, to pick up the dirt, dust, and mite droppings into…
CGA P-20-2017: Standard for Classification of Toxic Gas Mixtures – Fifth Edition
They’re inherently dangerous and often alarmingly colorless, yet toxic gases and gas mixtures are found in close proximity to many people who could, from direct…