Used as a reference standard in analytical laboratories to calibrate instruments and validate methods for the detection and quantification of formaldehyde in various samples. Commonly employed in environmental testing to measure formaldehyde levels in air, water, and industrial emissions. Also utilized in quality control processes within the manufacturing of building materials, textiles, and consumer products to ensure compliance with safety regulations. Supports accurate measurement in health and safety assessments due to formaldehyde's status as a volatile organic compound and potential carcinogen.