A conflict between industrialization and worker health developed in the painting industry during the early 1900s with the introduction of the spray machine. This technological innovation allowed the application of paint at greater speed and lower cost than hand painting and increased the rate at which painters were exposed to lead and other toxins contained in paint. By the mid-1920s, the spray machine was being used by painters for a wide variety of work. Although workers had expressed growing concern over the safety of the spray gun since World War I, painters and union leaders began to formally organize opposition to the device in 1924. At the core of their resistance was the belief that the spray machine was indeed hazardous to the health of workers. The first official recognition of the hazard of spray painting came in 1924, when the Wisconsin Industrial Commission investigated the spray machine and established guidelines for the regulation of its use within the state. The commission recommended a variety of regulations setting restrictions on the type of spray equipment that could be used, established mandatory use of ventilation and safety devices, and outlined limits on the number of hours per day painters could use the machines. These regulations sparked debate from both sides of the issue. For a good review of this debate, read SPLATTER! SPLATTER! SPLATTER! Workers Health and the Spray Machine Debate by Rochelle L. Frounfelker, MPH, and published in the American ...
Sunday, July 31, 2011
Saturday, July 30, 2011
Public Health 257B - Fall 2009 - Lecture 6
Public Health Preparedness and Emergency Response Professor Thomas Aragon
Friday, July 29, 2011
Check Out Survivair Premier Plus Half Mask Respirators, Premier Plus Half Mask Basic Facepiece, 322000
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Wednesday, July 27, 2011
Tuesday, July 26, 2011
Cheap MSA Respirator with 2-piece neckstrap Large for $11.00 MSA
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Monday, July 25, 2011
Cheap 3M Half Facepiece Respirator 6000 Series, Reusable, Large for $9.94 General
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Sunday, July 24, 2011
Great Price 3M 6111PA1-A for $32.96 3M 6111PA1-A Tekk Protection Paint Project Respirator, Small
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Saturday, July 23, 2011
Naica Crystal Cave
Photos and more info: www.stormchaser.ca An excerpt from the Angry Planet TV series featuring the Crystal Cave of Naica, Mexico. www.furiousearth.com The Crystal Cave of Giants was accidentally discovered in 2000 by miners working in the silver and lead mine at Naica, Mexico. It lies almost 300 meters (900 feet) below the surface of the Earth and it contains the largest crystals known in the world, by far. The largest crystals are over 11 meters long (36 feet) and weigh 55 tons. The crystals themselves are made of selenite which is crystallized gypsum, the same material used in drywall construction. Except these crystals formed over a span of about half a million years in a hot water solution, saturated with minerals. The the temperature inside the cave remained very consistently hot for the entire time the crystals were growing. It is still incredibly hot in the cave due its proximity to a magma chamber, deep underground. The air temperature is 50C with a relative humidity of over 90%, making the air feel like an unbearable 105C (228F) Entering the cave without special protective suits can be fatal in 15 minutes. I will be entering the cave wearing a special cooling suit with chilling packs inside and a specialized backpack respirator which will allow me to breath chilled air. Even with all this equipment, I will still only be able to stay in the cave for no more than 45 minutes at a time. In extreme heat, the body begins to lose higher brain functions which made the ...
Thursday, July 21, 2011
Great Price 3M 3M-7503 for $17.96 3M 7500 Series Reusable Half-Facepiece; Model 7503; Size: Large
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Wednesday, July 20, 2011
Check Out 3M R6211 Low-Maintenance Half-Mask Organic Vapor, P95 Respirator Assembly, Medium for $24.26 3M
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Tuesday, July 19, 2011
Monday, July 18, 2011
Allegro - Air Respirator(PAPRS)
Allegro Al explains the importance of Supplied Air Respirators when in harmful respiration conditions. www.envirosafetyproducts.com
Sunday, July 17, 2011
7000 Reusable Half Mask Respirator Training Video
The sleek new 7000 half mask respirator introduces unique features and benefits for increased worker acceptance. Light weight design plus extra-wide sealing area provides all-day comfort. Mask drops down for convenient storage around the neck or locks down for custom fit. Adjustable head cradle and curved neck buckles for extra comfort. Low profile, compact design allows a wide field of vision, fits well under welding helmets and with safety glasses. Maintenance and cleaning are made simple with very few replacement parts. Available pre-assembled with the most popular cartridge/filter combinations and also as individual components. Caution: Respirators must be properly selected and fitted to provide protection to the user. It is the responsibility of the user to make the appropriate choice of respirator based on the contaminant, workplace concentrations, and any other site specific conditions. It is also the responsibility of the user to ensure that the workplace is in compliance with all applicable Federal, State, and Local regulations on worker safety, including, but not limited to, OSHA regulations on respiratory protection (29 CFR 1910.134). Outside of the USA, check with all applicable and local government regulations. Read all Warnings and Use Instructions that accompany the respirators. If you have any Technical questions regarding respiratory protection, call Moldex® at 800-421-0668, or please visit www.Moldex.com
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