What is the permissible limit of noise pollution as per WHO?

What is the maximum limit of lead permissible according to WHO?

5 microgram per litre

Permissible noise level as per the Factories Act 1948 is?

90dbA for 8 hours of working.

What is the Permissible Exposure Limit for hydrochloric acid?

The Permissible Exposure Limit (PEL) for hydrochloric acid is set by the Occupational Safety and Health Administration (OSHA) at 5 parts per million (ppm) as an 8-hour time-weighted average. This limit is based on protecting workers from potential health effects associated with exposure to hydrochloric acid in the workplace.

What is the permissible exposure limit for lead?

The permissible exposure limit (PEL) for lead in the workplace is 50 micrograms per cubic meter of air, averaged over an 8-hour workday. This limit is set by the Occupational Safety and Health Administration (OSHA) to protect workers from the health effects of lead exposure. Employers must take measures to ensure that workers are not exposed to lead levels above the PEL.

What are units of noise pollution?

Units of noise pollution are typically measured in decibels (dB), which quantifies the intensity or loudness of the noise. Sound level meters are commonly used to measure noise pollution levels in various environments.

What is the permissible noise level for Centrifugal pump package at 1 meter distance from the equipment as per OSHA?

The Permissible Exposure for noise according to OSHA is 90 dBA at the employee's ears, taken as an 8-hour time-weighted average. The noise source and its distance from the employee is not relevant to that, although it is important in calculating the reduction of sound intensity with distance. In addition, if an employee has an 8-hour time-weighted average noise exposure of 85 dBA or greater, the employee must be enrolled in a hearing conservation program, given training and hearing protection.

What is permissible exposure limit for respirable dust containing of crystalline silica as per NIOSH and ACGIH?

The permissible exposure limit for respirable dust containing crystalline silica is 0.05 mg/m3 as recommended by the National Institute for Occupational Safety and Health (NIOSH) and the American Conference of Governmental Industrial Hygienists (ACGIH). This limit is intended to protect workers from the health risks associated with exposure to crystalline silica, which can cause silicosis and other respiratory diseases.

Do motorcycles or cars cause more pollution?

Short Answer:Overall motorcycles cause much more pollution than cars. They produce substantially more air pollutants than cars do when it comes to hydrocarbons, particulates, nitrogen oxides, and carbon monoxide. They produce less carbon dioxide, a greenhouse gas, than cars do but only about 30-60% less. Motorcycles are much louder than cars are so they create much more noise pollution per vehicle. In addition motorcycles can only carry up to two passengers while a car can carry up to five or six passengers so if you are car pooling than you can carry two to three times as many people as motorcycles can per car with about the same amount of pollution which, when you divide the pollution into per person, means two to three times more pollution per person on the motorcycle. More detail:I'm not sure what type of pollution your talking about so I'll split my answer up into Air Pollution in terms of smog, Air Pollution in terms of greenhouse gases, and Noise Pollution. For each of these I'll split my answer up into the total pollution, Pollution per vehicle, and pollution per person being driven in the vehicle. Air Pollution (Smog) - MotorcyclesSmog is from vehicles is caused by the the burning of fuel which creating chemicals such as nitrous oxides, hydrocarbons, and carbon monoxide.Total Pollution (Smog) - CarsIf your talking about total pollution then cars cause far more pollution than motorcycles because their are substantially more of them on the road. (590 million cars vs 200 million motorcycles)Pollution Per Vehicle (Smog) - MotorcyclesIf your talking about the amount of pollution per vehicle then motorcycles cause more pollution than cars. Motorcycles extract much more energy from fuel than cars do which creates much greater amounts of smog forming chemicals. Additionally because motorcycles are smaller they often don't carry technologies to reduce emissions such as catalytic converters which convert carbon monoxide, hydrocarbons, and nitrogen oxides into carbon dioxide, nitrogen, and water.Pollution Per Person in Vehicle (Smog) - MotorcyclesIf your talking about the amount of pollution per person in the vehicle than it's Motorcycles because motorcycles create more smog per vehicle than cars and a car can carry more people than motorcycles.Air Pollution (Greenhouse Gases) - CarsGreenhouse Gases are a form of pollution which lead to climate change. The majority of the greenhouse gases produced by vehicles are in the form of Carbon Dioxide. Carbon Dioxide is created by the burning of gasoline in the vehicles engine and released through the exhaust.Total Pollution (Greenhouse Gases) - CarsIf your talking about total pollution then cars cause far more pollution than motorcycles because their are substantially more of them on the road.Pollution Per Vehicle (Greenhouse Gases) - CarsIf your talking about the amount of pollution per vehicle then cars cause more pollution than motorcycles because cars weigh substantially more than motorcycles and they convert fuel into energy much less efficiently so they have to burn much more fuel to move the same distance. The burning of fuel creates carbon dioxide which is the major greenhouse gas produced by vehicles.Pollution Per Person in Vehicle (Greenhouse Gases) - Cars or MotorcyclesIf your talking about the amount of pollution per person in the vehicle than it's either motorcycles or cars depending on the fuel efficiency and number of passengers. Motorcycles and Cars are about even in Carbon Dioxide created when their are twice as many people in the car than the motorcycle. (ie. Two people in the car, one on the motorcycle) If the car is carrying more than twice as many people as are on the motorcycle than the car creates less pollution per person but if the car is carrying less than twice as many people as are on the motorcycle than the car creates more pollution per person.(ex. A car that gets 30mpg driving 3 people 300 miles would burn about 10 gallons of fuel which is only about 3.3 gallons per person, while a motorcycle that gets 60mpg driving driving 1 person 300 miles would burn 5 gallons of fuel which is 5 gallons of fuel per person.)Noise Pollution -Total Pollution - CarsIf your talking about total noise pollution than cars cause far more noise pollution since their are substantially more of them on the road.Pollution Per Vehicle - MotorcyclesIf your talking about noise pollution per vehicle than motorcycles cause much more noise pollution than cars because they are much louder.Pollution Per Person in Vehicle - MotorcyclesIf your talking about noise pollution per person in the vehicle than motorcycles cause much more noise pollution than cars because they are much louder can't carry as many people as cars.

The speed limit is 80 kilometers per hour what is the speed limit in miles per hour?

The speed limit is 49.7 (50) miles per hour.

The PEL for h2s gas is?

The permissible exposure limit (PEL) for hydrogen sulfide (H2S) gas is set by OSHA at 10 parts per million (ppm) as an 8-hour time-weighted average. Employers must ensure that worker exposures do not exceed this limit to protect against health effects associated with H2S exposure.

How much luggage is permissible in Ethiopian airlines economy clss per person?

46 kgs

What is the maximum permissible dose in rems a radiographer is allowed to have per year?

5 rems/year