House Flies and Food Safety
You might not recognize the presence of the housefly, Musca domestica, until you hear it buzzing in your ear, but it is nearly ubiquitous in…
OSHA Proposed Heat Standard
Severe weather can pose significant threats to human life, and certain conditions, like extreme heat, require proper preparation and management in the workplace. Unfortunately, heat…
ANSI Z136.3-2024: Safe Use of Lasers in Health Care
Blasting a laser into your flesh or skin generally isn’t the brightest idea. Nonetheless, in health care facilities, lasers, of varying types and wavelengths (measured…
ANSI C12.1-2024: Code for Electricity Metering
The total electricity installed capacity in the US hit around 1.19 billion kilowatts at the end of 2023, and the nation’s electrical power industry grows…
NSF/ANSI 50-2024: Equipment and Chemicals for Swimming Pools
Pools are as inextricably linked with summer as the beach, barbecues, vacation, and the hot sun. NSF/ANSI/CAN 50-2024, both an American National Standard and a…
ASTM E10-23: Brinell Hardness Test Standard
Hardness is not a physical property of a material but a characteristic, one that can be measured through a variety of methods. The Brinell hardness…
ASTM E18-24: Rockwell Hardness Standard Test Methods
Hardness often is attached to a multitude of definitions, including resistance to local penetration, scratching, and abrasion, yet it is not quite a fundamental property…
ANSI/ASSP Z390.1-2024: Hydrogen Sulfide Training Programs Accepted Practices
Hydrogen sulfide stinks. Some describe its stench as reminiscent of “rotten eggs.” However, this odor isn’t the gas’s only characteristic. H2S is flammable and poisonous….
SAE J 175-2023: Lateral Impact Testing of Car Wheels
Some drivers have trouble parking just beside the curb. Many more depend upon SAE J 175-2023: Wheels – Lateral Impact Test Procedure – Road Vehicles…