ISO 12233:2023—Photography Resolution & Spatial Frequency
With consumer digital cameras, the term resolution of is often incorrectly interpreted as the number of addressable photoelements. Quantitatively, resolution refers to the ability of […]
AuthorBrad Kelechava
Class II Biosafety Cabinets, as Specified in NSF/ANSI 49-2022
Biosafety cabinetry protects personnel, products, and the surrounding environment from hazards that arise when working with pathogenic agents. The degree of protection provided, however, is […]
NSF/ANSI 49-2022: Biosafety Cabinets Design and Performance
Biosafety Cabinetry and NSF/ANSI 49 Biosafety cabinets (BSCs) come in three classes. The higher the class, the greater the protection afforded to personnel, products, and […]
ANSI Z136.1-2022: Safe Use of Lasers
Lasers might be seemingly straight out of science fiction, but laser technology is abundant in industries throughout the world. Several standards minimize hazards to those […]
ASTM E691-23: Interlaboratory Study to Determine Test Method Precision
ASTM E691-23: Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method features techniques for planning, conducting, analyzing, and treating […]
Storage and Handling of Anhydrous Ammonia in CGA G-2.1-2023
What is Anhydrous Ammonia? Anhydrous ammonia, or ammonia that lacks water, is an incredibly important chemical for agriculture. Containing one part nitrogen and three parts […]
How Can ANSI Customer Service Help You?
The ANSI Webstore is the Internet’s top platform for downloading standards. For any assistance finding the standards you need to do your job, get in […]
ASME B31.3-2022: Process Piping Code Changes
Process piping transports fluids in a range of locations—most notably, petroleum refineries, onshore and offshore petroleum and natural gas production facilities, food and beverage processing […]
ANSI/ASHRAE/IES 90.1-2022: Energy Standard For Buildings
The energy standard for buildings has been revised: ANSI/ASHRAE/IES 90.1-2022: Energy Standard For Sites And Buildings Except Low-Rise Residential Buildings (I-P Edition). The earliest human […]
CSA/ANSI NGV 1-2022: CNG Vehicle Fueling Connection Devices
The fueling connection devices of compressed natural gas vehicles (NGV), as specified by CSA/ANSI NGV 1-2022: Compressed natural gas vehicle (NGV) fueling connection devices, include […]