The 3M 3720 may be used to measure airborne concentrations of formaldehyde vapors in any environment, including residential homes. The monitors may be placed on personnel to get individual exposures or in working areas to get area exposures. They should be exposed for 8 hours. For indoor and outdoor air quality testing.

The 3M Formaldehyde Monitor 3720, with Prepaid Analysis uses the proven scientific principle of diffusion, which is the gradual mixing of molecules of two or more substances. It monitors personnel or work areas in health care, laboratories, and in the chemical, pulp/paper, foundry and textile industries. Analysis procedure is available upon request. The monitor uses a bisulfite-impregnated filter and is analyzed by colorimetry. It can be used for 8 hour TWA sampling to meet the OSHA requirement of +/-25% accuracy at 0.5-5.0ppm. However, this monitor does not have the sensitivity for short term exposure limit (STEL) monitoring. It has an 18-month shelf life.

Manufacturer: 3M Occupational Health and Environmental Safety Division in United State

Availability: Usually ships in 1-2 weeks.