Formaldehyde is a naturally-occurring organic compound with the formula CH2O. It is the simplest aldehyde and is also known by its systematic name methanal. The common name of this substance comes from its similarity and relation to formic acid.
Formaldehyde is an important precursor to many other materials and chemical compounds. In 1996, the installed capacity for the production of formaldehyde was estimated to be 8.7 million tons per year. It is mainly used in the production of industrial resins, e.g., for particle board and coatings.
In view of its widespread use, toxicity, and volatility, formaldehyde poses a significant danger to human health. In 2011, the US National Toxicology Program described formaldehyde as "known to be a human carcinogen"
From Wikipedia, the free encyclopedia
Formaldehyde Indoor Risk and Exposure
Formaldehyde can make you feel sick if you breathe a lot of it. People can have symptoms such as:
sore throat
cough
scratchy eyes
nosebleeds
Scientists use the words “exposed” or “exposure” to talk about how people come in contact with a substance, such as formaldehyde. Some people are more sensitive than others, so an exposure that causes no problems for some people can make other people sick or uncomfortable. Some of these symptoms also happen with other upper respiratory illnesses, such as colds/flu and seasonal allergies, so if you have these symptoms we recommend that you see a doctor or another medical professional.
In general −
If you are more sensitive to formaldehyde and are exposed to more of it for a longer time, you are more likely to have symptoms.
If you are exposed to less formaldehyde for a shorter time, you are less likely to have symptoms, especially if you are not sensitive to formaldehyde.
Formaldehyde is known to cause cancer. The cancer of greatest concern is cancer of the nose and throat. Scientific research has not yet shown that a certain level of formaldehyde exposure causes cancer. However, the higher the level and the longer the exposure, the greater the chance of getting cancer. Exposure to formaldehyde might increase the chance of getting cancer even at levels too low to cause symptoms.
Formaldehyde is a common chemical that can be emitted from a number of products in the home. Smoking, pressed wood, and particle board have all been shown to be sources of formaldehyde. Higher formaldehyde levels are usually found in newer homes or homes with new construction. The levels decrease over time. Formaldehyde levels also increase with increases in temperature and humidity.
CDC What You Should Know about Formaldehyde
Indoor Formaldehyde Sources
Formaldehyde sources in indoor environments include: furniture and wooden products containing formaldehyde-based resins such as particleboard, plywood and medium-density fibreboard; insulating materials (in the early 1980s, urea formaldehyde foam insulation was a major source of indoor pollution); textiles; do-it-yourself products such as paints, wallpapers, glues, adhesives, varnishes and lacquers; household cleaning products such as detergents, disinfectants, softeners, carpet cleaners and shoe products; cosmetics such as liquid soaps, shampoos, nail varnishes and nail hardeners; electronic equipment, including computers and photocopiers; and other consumer items such as insecticides and paper products
Formaldehyde is found in:
Resins used in the manufacture of composite wood products (i.e., hardwood plywood, particleboard and medium-density fiberboard)
Building materials and insulation
Household products such as glues, permanent press fabrics, paints and coatings, lacquers and finishes, and paper products
Preservatives used in some medicines, cosmetics and other consumer products such as dishwashing liquids and fabric softeners
Fertilizers and pesticides
Indoor Formaldehyde Sampling
Indoor Air Quality Solutions, IAQS begins every Formaldehyde assessment with an initial survey of the property using the Formaldemeter htV-M.
With the subject of Indoor Air Quality becoming more prominent and recognised throughout many different industries, it has become essential to be able to accurately monitor low levels of indoor pollutant gases.
The Formaldemeter htV-M offers the same precise 3 parameter monitoring for low levels of hazardous formaldehyde vapours under extremes of temperature and humidity as seen in the world-wide success of the Formaldemeter htV but with the addition of these impressive extra features:
A built in non-volatile memory that can be upgraded.
Capable of up to one month of continuous monitoring.
A real time clock.
Built in alarm
Mains or battery powered.
Can be used as a manual hand held and a continuous monitoring data logger.
USB interface allowing direct connection to a PC for downloading data.
Supplied with the htV-M download software.
Manufactured to ISO 9001:2000 quality standards and compliant to CE regulations.
The htV-M can precisely measure formaldehyde concentrations in parts per million (ppm) and mg/m3 over a wide range of temperature and humidity. Fast and easy to use, pressing a single button gives an immediate indication of concentration levels. The improved Formaldemeter htV-M is reliable and simple to calibrate. The compact size means the htV-m is small enough to be used as a hand held device. The built in memory and real time clock enables the htV-m to log all 3 parameters and corresponding times, allowing improved monitoring and analysis opportunities. Alternatively a PC can automate the sampling and log data at specific times by a direct or wireless connection. This is advantageous as it allows the user more freedom and is a cost effective approach to taking such measurements.
If indoor levels are identified a second level of sampling may be reccommended to validate the feild measurements. The sampling method used by Indoor Air Quality Solutions, IAQS is the Prism Analytical Formaldehyde sorbent tube and low volume air pump.
The analytical test method used by Prism for gaseous formaldehyde or for formaldehyde in water has been correlated or is compliant with the California Air Resources Board’s (CARB) § 93120, European DIN Standard EN-717 and ASTM methods D-5582 and E-1333. It has also been compared with DNPH testing used in NIOSH 2016 and found to be in good agreement.
Ambient air sampling is done with our A14 formaldehyde sorbent tube and a 200 mL/min air pump. For formaldehyde levels in air below 1 ppm(v/v) a sampling time of 20-30 minutes (4-6L sample volume) is optimal. Sample time is 30 minutes (6L sample volumes) to prevent sample breakthrough on the tubes. Sample times exceeding 45 minutes (9L sample volume) may not be analyzed and a new sample may be requested. For formaldehyde levels that might exceed 1ppm (v/v) (industrial areas, embalming centers, histology laboratories, etc.) a sampling time of 5-10 minutes (1-2L sample volume) is adequate. Do not exceed a 10 minute (2L sample volume) for high levels of formaldehyde, to prevent the possibility of the instrument going off scale. The minimum detection limit for formaldehyde is <5 ng/L (4 ppb v/v).
Call Microshield Environmental Services, LLC, Indoor Air Quality Solutions for answers to all your indoor air quality questions. We can provide you with a superior Indoor Environmental Assessment or Orlando Mold Inspection. Call Lydia Today! 407-383-9459
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Indoor Air Quality Solutions, IAQS Microshield Environmental Services, LLC.
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