Results 11 to 20 of about 11,050 (127)

Assessment of occupational exposure to elemental carbon in plants using diesel machinery and equipment

Medycyna Pracy, 2023
Background This paper presents and discusses the results of the determination of elemental carbon emitted in diesel engine exhaust into the air of workplaces where machines and equipment with diesel engines are used.
Małgorzata Szewczyńska, Joanna Kowalska, Małgorzata Pośniak   +2 more
doaj   +1 more source

Studies on an efficient method for determining 3,3’-dimethylbenzidine in the workplace air

Medycyna Pracy, 2016
Background: 3,3’-Dimethylbenzidene (DMB) is a substance classified into the group of carcinogens. The value of maximum admissible concentration for this substance in the workplace air is not specified in Poland.
Joanna Kowalska, Anna Jeżewska
doaj   +1 more source

Method for determining 1,2:3,4-diepoxybutane in workplace air

Medycyna Pracy, 2016
Background: 1,2:3,4-Diepoxybutane (DEB) is a substance classified to a group of carcinogens. The maximum admissible concentration (MAC) value for this substance in workplace air is not specified in Poland.
Joanna Kowalska, Anna Jeżewska
doaj   +1 more source

Optimization of the method for the determination of diethyl sulfate at workplaces

Medycyna Pracy, 2018
Background Diethyl sulfate (DES) is a substance classified to the group of carcinogens. The value of maximum admissible concentration for this substance in workplace air is not specified in Poland.
Joanna Kowalska, Anna Jeżewska
doaj   +1 more source

Occupational exposure to selected isocyanates in Polish industry

Medycyna Pracy, 2015
Background: Isocyanates constitute a group of highly reactive, low molecular weight chemicals used worldwide for polyurethane manufacturing. The occupational exposure to these compounds is a major cause of occupational asthma, thus it is very important ...
Sławomir Brzeźnicki, Marzena Bonczarowska   +1 more
doaj   +1 more source

Assessing dust concentration at the workplace of a crushing and screening plant operator for special labor conditions evaluation

Горные науки и технологии
The mining industry is one of the key sectors of the Russian economy, supplying other industries with essential raw materials. However, this sector is characterized by harsh working conditions that may adversely affect workers' health.
Elena A. Korol, Evgeniy N. Degaev, Dmitry S. Konyukhov   +2 more
doaj   +1 more source

study of lead conentration in the air of gasoline stations of Kerman city [PDF]

Journal of Kerman University of Medical Sciences, 1995
in order to measure the conentration of lead in air of six Kerman gasoline stations,10 air samples were collected from each between 8:30-12:30 a.m. and then analyzed .lead conentration was  determined by atomic absorption spectrometers.the maximum and ...
B Yaghmaei, A Faghihi-zarandi, M.R Bazrafshani, A.R Arjoman-Tajodini   +3 more
doaj  

A scavenging double mask to reduce workplace contamination during mask induction of inhalation anesthesia in dogs

Acta Veterinaria Scandinavica, 2011
Background Workplace contamination by the use of volatile anesthetic agents should be kept to a minimum if a potential health hazard is to be minimised. Mask induction of animals is a common procedure.
Säre Heli, Coppens Paul, Friembichler Susanne, Moens Yves   +3 more
doaj   +1 more source

Nanomaterials – Proposals of occupational exposure limits in the world and hygiene standards in Poland

Medycyna Pracy, 2013
Currently, there are no legally binding workplace exposure limits for substances in the form of nanoobjects. There are different approaches to risk assessment and determination of occupational exposure limits.
Anna Maria Świdwińska-Gajewska, Sławomir Czerczak   +1 more
doaj   +1 more source

Indoor and Outdoor Exposure to PM2.5 during COVID-19 Lockdown in Suburban Malaysia

Aerosol and Air Quality Research, 2020
During the COVID-19 pandemic, key policies aimed at reducing exposure to the virus from social distancing, restrictions on travel through to strongly enforced lockdowns.
Eliani Ezani, Peter Brimblecombe, Zulfa Hanan Asha’ari, Amirul Aiman Fazil, Sharifah Norkhadijah Syed Ismail, Zamzam Tuah Ahmad Ramly, Md Firoz Khan   +6 more
doaj   +1 more source