Exposed to high levels of chlorobenzene. Medical search. Frequent questions

Our results showed highly uniform LB films could be transferred onto gold substrates and were highly sensitive to dichloromethane and chloroform vapors with a high response and short recovery time. (researchgate.net)

Male rats and rabbits were exposed to 0, 75, or 250ppm chlorobenzene (108907) vapors for 7 hours daily, 5 days per week, for up to 120 exposure days (24 weeks). (cdc.gov)

Without appropriate engineered and administrative controls, including personnel protective equipment, operators can be exposed to hazardous dust and vapors. (nationalacademies.org)
It is also defined as: The process of transfer of fluids (vapors or liquid) through a geologic formation in response to a pressure gradient that may be caused by changes in barometric pressure, water table levels, wind fluctuations, or infiltration. (itrcweb.org)

Though sold as a common household cleaner, chlorine bleach is corrosive and is associated with health effects such as eye, skin, and airway irritation at low levels, and "tightness, wheezing, dyspnea, and bronchospasm" at higher levels. (creationsmagazine.com)
Helpfully supplied by manufacturers BASF, Hoechst and Bayer, in 1915 Germany first exposed allied troops near Ypres to 168 tons of chlorine gas. (greenspec.co.uk)

Air near factories that make or use chlorobenzene or near hazardous waste sites that contain chlorobenzene may have higher levels of chlorobenzene in the air. (cdc.gov)

Levels are typical y in the low ppb to ppt www.atsdr.cdc.gov currently involved in the manufacture range. (cdc.gov)

Chlorobenzene is used as a solvent and to produce other chemicals. (cdc.gov)
In this method, the extraction solvent (100 muL chlorobenzene) and the dispersive material (1.0mg kapok fiber fragments) were added successively into the aqueous sample (5.0 mL), and then the mixture was emulsified by ultrasound to form the cloudy solution. (who.int)
Compared with the traditional solvent-emulsification method, the extraction recoveries of the proposed method were much higher. (who.int)

Workers involved in the production or use of chlorobenzene should take protective measures to limit inhalation and dermal exposure to chlorobenzene. (cdc.gov)
Health risk assessment was performed based on the monitoring data via inhalation, dermal contact and ingestion pathways and hazard quotient (HQ) was calculated to be on the order of 10(-7), below 10(-6), and Hazard index (HI) levels of BTEX were lower than 1.0. (who.int)

a higher percentage than this can be genetic or caused by exposure to various chemicals and depending on the level can cause health problems known as methemoglobinemia. (wikipedia.org)
The amounts of the 17 chemicals in the fifty-one source water samples were all fewer than the Chinese surface water quality standard's standard limit levels. (jenvoh.com)
The most widely utilized chemicals in China were Organo Phosphorous Pesticides (OPPs), nitrobenzene compounds, chlorobenzene compounds, and benzene homology, which resulted in widespread contamination in many environmental compartments [ 2 - 8 ]. (jenvoh.com)
In the field of regulatory toxicology, Dr. Garry has designed and overseen laboratory-testing programs aimed at understanding the mechanisms of toxicity and developing safe exposure levels for industrial chemicals. (exponent.com)
In addition, industrial workers are often exposed to toxic and irritating chemicals, which can contribute to asthma. (chansonalkalinewater.com)
To evaluate information, to make decisions and to react in a consistent and reasonable manner to perceptions of the world require that the nervous system functions properly and that behaviour not be damaged by dangerous conditions, such as accidents (e.g., a fall from a poorly designed ladder) or exposure to hazardous levels of neurotoxic chemicals. (iloencyclopaedia.org)
In this paper, we propose a quantitative risk assessment methodology for skin sensitization aiming at the derivation of ÔsafeÕ exposure levels for sensitizing chemicals, used e.g., as ingredients in consumer products. (cdc.gov)

For the maximally exposed individual, the maximum concentrations should not exceed the acceptable risks described above. (nuclearactive.org)
The high seasonal concentrations were in regions that do not include Gale Crater, and it remains possible that the Curiosity measurements are of a similar nature but due to some less active process than exists at the regions identified by Dr. Mumma's team. (universetoday.com)
In the current case, Steve Quigley I believe of CRA, stated that the high concentrations of dissolved NDMA in the Municipal Upper Aquifer west of Chemtura, centred on well OW60 (Queen & Park) were due to contaminated groundwater being drawn north towards the North Wellfields which were shut down in the early 90's. (blogspot.com)
Then the natural southerly flow of groundwater has drawn these high concentrations of NDMA back towards OW60. (blogspot.com)
The concentrations of BTEX in air ranged from 7.80 to 238ug/m(3) and those in soil and dust ranged from lower than limit of detection (LOD) to 32,360ng/g dw, and those in groundwater varied from 2.68 to 98.6ug/L. Generally, the levels of BTEX in multimedia matrixes were all below the standards established in China. (who.int)

Tests are available to measure levels of chlorobenzene in breath, urine, and body tissues. (cdc.gov)
This practice can lead to environmental pollution, since urine contains high amounts of nutrients. (scielo.org.za)

The subtle changes observed in rats at 75 and 250ppm suggest that the current maximum permissible concentration for chlorobenzene of 75ppm may be too high and that 5 to 10ppm may be a better working level. (cdc.gov)
54. Discharge of effluent beyond permissible level. (lawnigeria.com)

Oysters were exposed to various combination of the ambient temperature and pH currently measured in Persian Gulf (T = 24 ºC and pH = 8.1) and the expected ocean warming and acidification (T = 28 ºC and pH = 7.6), as well as proper PhE concentration (0.8 ng.l − 1 ) during 28 days. (researchsquare.com)
Changes in Lung ATP (Adenosine Triphosphate) Concentration in the Rat After Low-Level Phosgene Exposure (Journal Version). (epa.gov)
however, when all are added together, the total concentration can be very high. (iloencyclopaedia.org)
The IgC concentration increased with age and was significantly higher in males than in females, IgC war negatively correlated with Sigma PCB level and with three individual PCB congeners, IUPAC numbers 99, 194, and 206. (pdfdrug.com)

Workers in industries that make or use chlorobenzene may be exposed to chlorobenzene in the air by breathing it in or through their skin. (cdc.gov)
Headaches, dizziness, and sleepiness were also reported in workers breathing chlorobenzene. (cdc.gov)
These workers were probably exposed to high levels of chlorobenzene. (cdc.gov)
Environmental Toxicology Branch chlorobenzene and workers involved in basis). (cdc.gov)
Those workers at highest risk include people who are exposed to latex, such as health-care professionals, as well as people exposed to animals, such as veterinarians. (chansonalkalinewater.com)
Early alterations can be detected in groups of active, exposed workers using sensitive measures of impairment. (iloencyclopaedia.org)
If you or your co-workers have symptoms of heat stress such as nausea, dizziness, high heart rates, or excessive heat build-up, leave the work area immediately and remove the ensemble as quickly as possible after decontamination and seek professional care. (dupont.com)

Moreover, the sequence of chlorobenzene detections during gas chromatography‐mass spectrometry experiments conducted on Mars cannot be explained by Tenax TA decomposition, nor can the detection of chlorobenzene in Evolved Gas Analysis experiments that involve pathways devoid of Tenax TA. (hal.science)
The sudden detection of ten-fold spikes in methane levels in Gale crater is not inconsistent with the earlier remote measurements from Earth. (universetoday.com)
NASA's Curiosity rover has made a double dose of exciting discoveries on Mars by detecting a short-term, tenfold spike in atmospheric methane, the simplest organic compound, and also making the first definitive detection of a more complex organic molecule in a rock-powder sample gathered by the robot's high-speed drill at Gale Crater. (americaspace.com)

Animals that inhaled or ingested large amounts of chlorobenzene had damage to the liver and kidney. (cdc.gov)

The samples were tested for 17 different organic contaminants, including benzene homology, chlorobenzene compounds, organophosphorous insecticides, and nitrogenbenzene compounds. (jenvoh.com)
Associations between immunoglobulin G (IgG) levels and the organochlorine contaminants (OCs) polychlorinated biphenyls (PCBs), chlordanes, 1,1-dichloro-2,2-bis(4-chlorophenyl) ethylene (DDE), hexachlorobenzene (HCB), and hexachlorocyclohexanes (HCHs) in blood plasma from polar bears caught at Svalbard were determined. (pdfdrug.com)

propose that these decomposition products accumulate and then react further in cooler downstream sections of the SAM analytical pipeline to produce the chlorobenzene that was detected in the Cumberland mudstone of Gale Crater. (hal.science)

2017 ). Simultaneously dealing with global warming and acidification, marine organisms are also exposed to another main stressor: contamination. (researchsquare.com)
The approach was designed to remove the lower molecular weight compounds, which are the more soluble and mobile fraction of the contamination, via chemical oxidation while cementing the remaining higher molecular weight fraction of the tar in place. (fmc.com)
We report on contamination levels and pattern of PCB congeners, chlordanes, DDT-compounds, HCB and HCH-isomers in the various tissues. (pdfdrug.com)

Studies of female rats and male and female mice given chlorobenzene orally did not find evidence that chlorobenzene caused cancer. (cdc.gov)

1-2% Normal Less than 10% metHb - No symptoms 10-20% metHb - Skin discoloration only (most notably on mucous membranes) 20-30% metHb - Anxiety, headache, dyspnea on exertion 30-50% metHb - Fatigue, confusion, dizziness, tachypnea, palpitations 50-70% metHb - Coma, seizures, arrhythmias, acidosis Greater than 70% metHb - High risk of death This may be further compounded by the "functional hemoglobin's" decreased ability to release oxygen in the presence of methemoglobin. (wikipedia.org)

Explosives can be detected before explosions (during trafficking) and also after the explosion by forensic spot tests and also by hi-tech forensic analytical tools. (forensicfield.blog)

Animals exposed to very high levels of chlorobenzene through inhalation showed nervous system effects, which included decreased activity and loss of muscle control. (cdc.gov)

A higher level of methemoglobin will tend to cause a pulse oximeter to read closer to 85% regardless of the true level of oxygen saturation. (wikipedia.org)

Toxic Evaluation of Inhaled Chlorobenzene (Monochlorobenzene). (cdc.gov)
The risk of accumulation of toxic blood levels of AHA seems to be greater than the chances for a beneficial effect in such patients. (rxlist.com)
A colorless liquid that is mobile in groundwater, toxic at low levels, and has a high density, making cleanup activities more difficult than for oil spills. (fmc.com)

The announcement stems from two separate detections of organics: 1) ten-fold spikes in atmospheric Methane levels, and 2) drill samples from a rock called Cumberland which included complex organic compounds. (universetoday.com)
Curiosity detected several brief spikes in the atmospheric methane (CH4) level using the onboard Sample Analysis at Mars (SAM) laboratory during a total of a dozen measurements over a 20-month period. (americaspace.com)
A low pH, metal-laden, sulfate-rich drainage originating from a mined area that occurs where sulfur or metal sulfides are exposed to atmospheric conditions. (itrcweb.org)

Chlorobenzene may also affect the immune system. (cdc.gov)
Immune Function in Mice Exposed to the Adenosine Deaminase Inhibitor 2'-Deoxycoformycin During Immune System Development. (epa.gov)
This can probably without symptoms (termed primary immune response or be attributed to the fact that the first contact (and often sensitization phase) followed by the immune response repeated contacts) even with relatively high concentra- effector phase (also termed secondary immune response tions of a sensitizer go unnoticed because no signs or or elicitation phase). (cdc.gov)

Most of the information we know about how chlorobenzene can affect your health comes from studies in laboratory animals. (cdc.gov)
However, numerous experiments conducted in the laboratory show that Tenax TA decomposition products only appear after repeated exposure to much higher levels of Cl2 and O2 than those seen by the flight instrument. (hal.science)

They propose chemical structures for some decomposition products of the Tenax TA polymer when it is exposed at high temperatures to the Cl2 and O2 gases formed by the thermal decomposition of perchlorate. (hal.science)
Just before Labor Day, rain, cooler temperatures, and higher humidity finally came to the Northern Rockies ending the 2000 wildfire season. (nanopdf.com)

You can be exposed to very low levels of chlorobenzene in the air, water, and some foods. (cdc.gov)
Reduced cellular defense mechanisms Children younger than 4 months exposed to various environmental agents Pregnant women are considered vulnerable to exposure of high levels of nitrates in drinking water Cytochrome b5 reductase deficiency G6PD deficiency Hemoglobin M disease Pyruvate kinase deficiency Various pharmaceutical compounds Local anesthetic agents, especially prilocaine and benzocaine. (wikipedia.org)
only the cancer risk values of sites 4, 13, 19, 23, 38, and 40 were higher than the 1 × 10 -6 , indicating that the health risk posed by the target compounds in the majority of source water sites was within acceptable limits. (jenvoh.com)
In addition, a high electron affinity is also required for ambient stability, as it prevents common redox reactions involving water and oxygen which can occur under device operation, and lead to degradation. (nature.com)
People are exposed to a wide-range of hazardous substances in air, water and food. (greenspec.co.uk)
The EWG Health Guideline of 0.004 ppb for arsenic was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. (ewg.org)
The regulations covered everything from lowering arsenic levels in drinking water to reducing releases of raw sewage. (minesandcommunities.org)

We present here a planar perovskite solar cell with a stabilized power conversion efficiency (PCE) of 17.6% at the maximum power point and a PCE of 17% extracted from quasi-static J - V with an open-circuit voltage of 1.11 V. Such excellent figures of merit can be achieved by engineering a solution-processed electron buffer layer that does not require high temperature steps. (rsc.org)
We demonstrate that efficient charge extraction is the key for high steady state efficiency in perovskite solar cells with a highly integrable architecture. (rsc.org)
For achieving these targets we need to obtain perovskite solar cells with high steady state efficiency (and thus reliable) and to deliver a device architecture and fabrication process that enables multi-layered structures. (rsc.org)
Understanding the fundamentals of metal halide perovskite and its interfaces is extremely important for achieving high-quality materials and developing efficient devices using these materials with the necessary properties. (lidsen.com)

What was unknown until modern toxicology evolved after WWII, was the effect of low-level, or 'chronic' chemical exposure on populations. (greenspec.co.uk)
Bears from Franz Josef Land (11,194 ng/g lipid weight) and the Kara Sea (9,412 ng/g 1w) had similar Sigma PCB levels and were higher than all other populations (Svalbard 5,043 ng/g 1w, East Siberian Sea 3,564 ng/g 1w, Chukchi Sea 2,465 ng/g 1w). (pdfdrug.com)

Over many samples, the level of Methane was very low, ~0.9 parts per billion. (universetoday.com)
Brief daily spikes in Methane levels averaging 7 parts per billion were detected. (universetoday.com)
One group led by Vladimir Krasnopolsky of Catholic University, and another led by Dr. Michael Mumma from NASA Goddard Space Flight Center, detected broad regional and temporal levels of Methane as high as 30 parts per billion. (universetoday.com)
With the known low background levels of methane at ~ 1 part per billion, an external cosmic source, for example micro-meteoroids entering the atmosphere and releasing organics which is then reduced by sunlight to methane, could be ruled out. (universetoday.com)
Methane levels averaging seven parts per billion by volume were found during multiple analyses conducted in late 2013 and early 2014. (americaspace.com)
In all other measurements before and after, Curiosity determined that the background level of methane was only about 0. (americaspace.com)

Electron transport is attributed to the combination of a delocalised LUMO level along the polymer backbone, and a sufficiently large electron affinity to facilitate electron injection. (nature.com)

A reduced tendency of alpha diversity and significantly higher beta diversity were found in HIV-1-infected individuals on antiretroviral therapy (ART) compared to HIV-1-negative controls. (frontiersin.org)

The levels of chlorobenzene found in the environment are lower than levels known to cause harmful effects. (cdc.gov)
Increased levels of methemoglobin are found in blood stains. (wikipedia.org)
Differences between areas were found in PCB levels and congener patterns. (pdfdrug.com)
Especially high levels of higher chlorinated PCBs are found, and they accumulate with age, particularly in males. (pdfdrug.com)
No relation between OC levels in females and their ability to get pregnant is found in this preliminary investigation on OC effects on the polar bears at Svalbard. (pdfdrug.com)

Solar cells based on organic-inorganic lead halide perovskites are popular in the photovoltaic community due to their high efficiency, low cost, and solution processability. (lidsen.com)

Our polymers with a high electron affinity display long wavelength NIR absorption with air stable electron transport in solution processed organic thin film transistors. (nature.com)

The total individual risk due to VOC exposure should not exceed certain acceptable risk levels. (nuclearactive.org)
Non-carcinogenic acceptable risk level for both is the same and should not exceed 1.0 according to the hazard index. (nuclearactive.org)

In simplest terms, we can define an explosion as a rapid increase in the volume of gaseous substances and release of energy along with the generation of high temperature and release of gases. (forensicfield.blog)

Assessing the need for control and predicting the likely impact of a certain level of exposure requires knowledge about the nature of the exposure, toxicological mechanisms and outcomes of epidemiological studies of associations between exposures and health impacts. (greenspec.co.uk)

This part of the plant is the highest potential source of fugitive dust and vapor emissions to the environment, and the greatest potential fire hazard. (nationalacademies.org)

The U.S. Environmental Protection Agency (EPA) considered chlorobenzene to be not classifiable as to human carcinogenicity. (cdc.gov)

Titration of the dose to higher or lower levels may be required to obtain an optimum therapeutic effect and/or to reduce the risk of side effects. (rxlist.com)

Of the congeners investigated in the present study, the lower chlorinated PCBs are increasing and the high chlorinated PCBs are decreasing from Svalbard eastward to the Chukchi Sea. (pdfdrug.com)

No specific protection from chlorobenzene is recommended because most people will not be exposed to chlorobenzene at levels likely to cause health problems. (cdc.gov)
Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people. (ewg.org)

Chlorobenzene is an industrial chemical that is not. (cdc.gov)

A few volunteers complained of drowsiness, headache, throbbing pain in the eyes, and sore throat when breathing chlorobenzene for 7 hours. (cdc.gov)

The high explosives may be further grouped into primary and secondary high explosives. (forensicfield.blog)

Schedule I. Effluent Levels for Metal Manufacturing Industries. (lawnigeria.com)

How can I protect myself and my family from chlorobenzene? (cdc.gov)

For example, certain mothers in a Yugoslav community with a lead smelter had elevated blood-lead levels. (cdc.gov)
In this example, a biological exposure marker (blood lead-level) was available for classifying mothers according to their exposure to lead. (cdc.gov)
The levels of most other OCs, however, are higher in depot lipid of yearlings than in that of their mothers. (pdfdrug.com)

2019 ). These large group are different in degrees of resistance to degradation and persistence, tending to be accumulated in marine biota because of their high hydrophobic and lipophilic properties ( Leitão et al. (researchsquare.com)
Conjugated polymers have the potential for solution processability, compatibility with flexible substrates, and can be fabricated in large areas at high throughput. (nature.com)

However, with an adeq battery of necf expsre blmarkers, prospective studies of en- vironmental effects on pregnancy outcomes might be possible. (cdc.gov)
Previous studies have mostly been based on 16S rRNA gene sequencing, which is limited in taxonomic resolution at the genus level and inferred functionality. (frontiersin.org)

Skin penetration rates for solvents are remarkably high, and the stratum corneum is a less effective barrier to penetration than traditionally assumed. (chansonalkalinewater.com)

Groups of animals from both species were sacrificed after 5 and 11 weeks of treatment and examined for hematology, clinical chemistry, and gross and histopathological changes resulting from the chlorobenzene treatment. (cdc.gov)

How can chlorobenzene affect my health? (cdc.gov)

However, these data could not distinguish between women with low blood-lead levels and women with elevated levels (4). (cdc.gov)

Organisms3

Chemicals and Drugs11

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Health Care2

Chloroform1

1089071

Vapors2

Chlorine2

Hazardous waste sites1

ATSDR1

Solvent3

Dermal2

Chemicals7

Concentrations5

Urine2

Permissible2

Concentration4

Workers7

Detection3

Amounts1

Contaminants2

Gale Crater1

Contamination3

Rats1

Dizziness1

Analytical1

Nervous system1

Oxygen saturation1

Toxic3

Atmospheric3

Immune3

Laboratory2

Temperatures2

Water7

Perovskite4

Populations2

Methane6

Polymer1

Significantly higher1

Found5

Solar cells1

Electron1

Acceptable2

Gases1

Control1

Source1

Environmental1

Dose1

Lower1

People2

Industrial1

Hours1

Secondary1

Industries1

Family1

Mothers3

Large2

Studies2

Skin1

Animals1

Health1

Blood1