{"id":142315,"date":"2014-08-22T12:54:36","date_gmt":"2014-08-22T12:54:36","guid":{"rendered":"http:\/\/sentryair.com\/blog\/?p=142315"},"modified":"2023-08-23T18:42:37","modified_gmt":"2023-08-23T18:42:37","slug":"chloroform-vapor-control-with-carbon-filtration","status":"publish","type":"post","link":"https:\/\/www.sentryair.com\/blog\/industry-applications\/chemical-solvents\/chloroform-vapor-control-with-carbon-filtration\/","title":{"rendered":"Chloroform vapor control with carbon filtration"},"content":{"rendered":"
<\/a>

Chloroform must be safely used to protect respiratory safety.<\/p><\/div>\n

Chloroform is a by-product formed when chlorine disinfects water but also has many industrial uses (Delaware)<\/a>. French chemist, Jean-Baptiste Dumas, formally named and characterized chloroform in 1834. Since then, the chemical has been used for a variety of applications, including:
\n\u2022 Solvent in the laboratory and pharmaceutical industries
\n\u2022 Production of dyes
\n\u2022 Bonding agent
\n\u2022 Reagent in organic synthesis
\n\u2022 Anesthetic
\n\u2022 Refrigerant
\n\u2022 Production of tetrafluoroethylene (TFE) which is used to make polytetrafluoroethylene (PTFE) \u2013 a primary component in Teflon\u00ae<\/sup><\/p>\n

<\/div>\n

 <\/p>\n

\n

Hazards of Chloroform (CHCl3 <\/sub>) Vapor<\/h2>\n

\"Side<\/a> Chloroform exposure mainly occurs through inhalation. Due to its sweet, nonirritating odor, some users may not realize that respiratory safety controls are necessary for user protection. After inhalation possible side effects include headache, fatigue and dizziness. Breathing air with chloroform for a long period damages the brain, liver and kidneys. It may cause cancer.<\/p>\n

Health Side Effects<\/h4>\n

\u2022 Dizziness
\n\u2022 Mental Dullness
\n\u2022 Confusion
\n\u2022 Distorted Perceptions
\n\u2022 Loss of Appetite
\n\u2022 Nausea
\n\u2022 Headaches
\n\u2022 Fatigue
\n\u2022 Anesthesia
\n\u2022 Hepatomegaly
\n\u2022 Jaundice
\n\u2022 Eye Irritations<\/p>\n

Target Organs<\/h4>\n

\u2022 Kidneys
\n\u2022 Heart
\n\u2022 Liver
\n\u2022 Eyes
\n\u2022 Central Nervous System<\/p>\n

<\/div>\n

Carcinogenic Classification<\/h4>\n

Environmental Protection Agency (EPA)<\/strong>: 2B \u2013 Probable human carcinogen
\nNational Toxicology Program (NTP)<\/strong>: 2 \u2013 Reasonably anticipated to be a human carcinogen
\nInternational Agency for Research on Cancer (IARC)<\/strong>: 2B \u2013 Probable human carcinogen<\/p>\n

\n

Occupational Exposure Regulations<\/h2>\n

As you can see in the below chart, many agencies recommend varying levels of exposure limits. The limits are primarily based on duration of exposure.<\/p>\n

Exposure Guidelines for Chloroform (Trichloromethane \/\/ CAS: 67-66-3)<\/h5>\n\n\n\n\n\n\n\n
Agency<\/b><\/td>\nType of Limit<\/b><\/td>\nLimit Amount<\/b><\/td>\n<\/tr>\n
Occupational Safety and Health Administration (OSHA)<\/b><\/td>\nPermissible Exposure Limit (PEL)<\/td>\n50 ppm
\n240 mg\/m3<\/sup> Ceiling (TWA)<\/td>\n<\/tr>\n
American Conference of Governmental Industrial Hygienists (ACGIH)<\/b><\/td>\nThreshold Limit Value (TLV)<\/td>\n10 ppm
\n49 mg\/m3<\/sup> TWA<\/td>\n<\/tr>\n
National Institute for Occupational Safety and Health (NIOSH)<\/b><\/td>\nRecommended Exposure Limit (REL)<\/td>\n2 ppm
\n9.78 mg\/m3<\/sup> STEL (60 minutes)<\/td>\n<\/tr>\n
Immediately Dangerous to Life or Health (IDLH)<\/td>\n500 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u2022 TWA<\/b> – Time weighted average exposure over an 8-hour time period
\n\u2022 TLV<\/b> – Level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects.
\n\u2022 STEL<\/b> – The acceptable average exposure over a short period of time, as long as the TWA is not exceeded.
\n\u2022 PPM<\/b> \u2013 Parts per million (i.e. 50 parts of chloroform per million parts of air)<\/p>\n

Odor Threshold<\/h4>\n

\"odor<\/a>It is important to note that the odor threshold of chloroform is approximately 85 ppm; that is 1.7 times greater than the established PEL of 50 ppm.<\/strong> An odor threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell.
\nThis means that if you are able to smell chloroform in the room air, you have surpassed the exposure limit guideline.<\/p>\n

<\/div>\n
\n

Chloroform Fume Adsorption with Activated Carbon Filtration<\/h2>\n

A source capture chemical fume extractor equipped with activated granule carbon filtration, is an excellent solution for chloroform vapor control.<\/p>\n

\"Sentry<\/a>Granule carbon has an intricate porous structure that adsorbs hazardous chloroform molecules before they become airborne and potentially inhaled.<\/p>\n

The Agency for Toxic Substances and Disease Registry (ATSDR) developed a ToxFAQs sheet on chloroform, where it states that most of the chloroform in air eventually breaks down, but it is a slow process. This breakdown produces phosgene and hydrogen chloride, which are both toxic (ATSDR)<\/a>.<\/p>\n

To ensure chloroform vapors have plenty of time to breakdown and adsorb, a larger carbon filter is recommended.<\/p>\n

By increasing filter depth, more carbon granules are added whereby increasing the amount of surface area available for vapor capture and adsorption.<\/p>\n

Fume Extraction Systems for Chloroform Fume Control<\/h3>\n

Sentry Air Systems offers a complete line of chemical fume extractors<\/a> that come in a variety of sizes and configurations. Equipped with a carbon pre-filter and activated granule carbon main filter, these systems help protect the operator from the inhalation hazards of chloroform. Our Model 300 Series carbon filter media is appropriately sized to allow ample time for chloroform molecules to \u201cbounce around\u201d and adsorb into the granules; resulting in only highly cleansed air being recirculated back into the room.<\/p>\n

<\/a>

Ductless Fume Hoods<\/a> help protect the operator by containing fumes and directing them into the filtration system.<\/p><\/div>\n

Ductless Fume Hoods<\/h4>\n

Ductless Fume Hoods use a powerful airflow and high-quality filtration to help protect the operator from exposure to harmful fumes and particulate. This system directs fumes away from the operator\u2019s breathing zone into the filtration system and releases the filtered air back into the room. No external ductwork or makeup air required. This sturdy and compact enclosure provides optimal respiratory and environmental protection for a wide variety of applications.<\/p>\n

\u2022 Standard widths:<\/b> 24\u201d, 30\u201d, 40\u201d, 50\u201d, 60\u201d, 70\u201d
\n\u2022 Carbon Pre-Filter and Activated Carbon Main Filter
\n\u2022 Compact, Portable, Zero Ductwork Required<\/p>\n

\"learn<\/a><\/p>\n

<\/div>\n
\n
<\/a>

Ducted Fume Hoods<\/a> use a powerful fan to direct fumes and particulate into the ductwork to be released externaly.<\/p><\/div>\n

Ducted Fume Hoods<\/h4>\n

Ducted Fume Hoods provide an external ducting solution for chemical laboratories and applications that use large amounts of volatile chemicals. This exhaust fume hood uses a powerful fan (not included) to draw fumes through the ductwork (not included) to release outside of the building. This system can be used for applications such as evaporating large amounts of volatile organics, working with chemicals that are hard to filter or have a low odor threshold, and heavy powder filling. This hood is constructed of all chemical resistant materials and an exhaust collar. This compact and versatile exhaust hood offers an economical solution for applications that require external ducting.<\/p>\n

\u2022 Standard widths:<\/b> 24\u201d, 30\u201d, 40\u201d, 50\u201d, 60\u201d, 70\u201d
\n\u2022 Hood ducts into existing exhaust system
\n\u2022 Compact size<\/p>\n

\"learn<\/a><\/p>\n

<\/div>\n
\n
<\/a>

The Model 300 Winged Sentry<\/a> provides a benchtop fume control solution.<\/p><\/div>\n

Model 300 Winged Sentry<\/h4>\n

The Model 300 Winged Sentry with Lid provides a benchtop fume control solution for a variety of applications involving chemical fumes and dusts. The adjustable wing flaps allow the operator to easily move them to suit their application. When used with the acrylic lid, the Winged Sentry creates a hood-like enclosure protecting the operator from fumes and particulate. The wing flaps, lid, and powerful fan work together to direct fumes into the filtration system away from the operator\u2019s breathing zone. After filtration, the system releases the air back into the surrounding room creating a recirculating air flow pattern.<\/p>\n

\u2022 Adjustable side flaps
\n\u2022 Carbon Pre-Filter and Activated Carbon Main Filter
\n\u2022 Compact, portable, tabletop<\/p>\n

\"learn<\/a><\/p>\n

<\/div>\n
\n
<\/a>

The Model 300 Portable Floor Sentry<\/a> extracts fumes at the source with a self-supportive capture arm.<\/p><\/div>\n

Model 300 Portable Fume Extractor<\/h4>\n

The Model 300 Portable Fume Extractor provides a vital engineering control for medical, laboratory, and industrial facilities. The 68\u201d long capture arm can easily be moved to capture chemical fumes, vapors, and particulate at the source. This model includes a portability handle, heavy-duty casters, a variable speed control, and an easy to change filter system. Both activated carbon and particulate filters can be housed in the filtration chamber to capture both fumes and particulate.
\n\u2022 Locking casters and portability handle
\n\u2022 Semi-self-supportive, flame-resistant black flex hose
\n\u2022 Pulls up to 350 CFM on High
\n\u2022 Carbon Pre-Filter and Activated Carbon Main Filter<\/p>\n

\"learn<\/a><\/p>\n

<\/div>\n
\n

Contact Sentry Air<\/h2>\n

If you work with chloroform, or other chemicals, and seek an air filtration system, contact Sentry Air Systems using the buttons below.
\n 
\n\"Talk<\/a>  \"Email<\/a>  \"Visit<\/a><\/p>\n

Call us today at 1.800.799.4609<\/h3>\n
\n

References<\/h4>\n

<\/a>Delaware Health and Social Services. Chloroform: Frequently Asked Questions. 2013 Sept. https:\/\/www.dhss.delaware.gov\/dhss\/dph\/files\/chloroformfaq.pdf<\/a><\/p>\n

<\/a>Agency for Toxic Substances and Disease Registry (ATSDR): https:\/\/www.atsdr.cdc.gov\/toxfaqs\/tfacts6.pdf<\/a><\/p>\n

Environmental Protection Agency (EPA): http:\/\/www.epa.gov\/ttn\/atw\/hlthef\/chlorofo.html<\/a><\/p>\n

Occupational Safety and Health Administration (OSHA): https:\/\/www.osha.gov\/chemicaldata\/477<\/a><\/p>\n

\n

Related Blogs<\/h4>\n

\u2022 Laboratory Fume Hoods<\/a>
\n\u2022 Rotary Evaporator Fume Control<\/a>
\n\u2022 Using Filtration to Help Address Common Exhaust Hood Issues \u2013 Exhaust Filter Box<\/a>
\n\u2022 Hydrochloric acid health risks: vapor, mist, and fume inhalation<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Chloroform is a by-product formed when chlorine disinfects water but also has many industrial uses (Delaware). French chemist, Jean-Baptiste Dumas, formally named and characterized chloroform in 1834. Since then, the chemical has been used for a variety of applications, including: \u2022 Solvent in the laboratory and pharmaceutical industries \u2022 Production of dyes \u2022 Bonding agent… Learn More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1186,2816,2837],"tags":[],"class_list":["post-142315","post","type-post","status-publish","format-standard","hentry","category-chemical-solvents","category-filters","category-fume-control-extraction"],"yoast_head":"\nChloroform vapor control with carbon filtration - Sentry Air Systems, Inc.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sentryair.com\/blog\/industry-applications\/chemical-solvents\/chloroform-vapor-control-with-carbon-filtration\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chloroform vapor control with carbon filtration - Sentry Air Systems, Inc.\" \/>\n<meta property=\"og:description\" content=\"Chloroform is a by-product formed when chlorine disinfects water but also has many industrial uses (Delaware). 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