3 percent
how to calculating of shrinkage a rubber parts
The permissible exposure level of lead is 50ug/m3.
Permissible Exposure Limit
more than 100%(over saturated but saturation is 100%) .....because shrinkage limit is smallest water content at which soil is saturated......means at shrinkage limit itself it posses 100% saturation ........
The normal shrinkage percentage of khadi after the first wash is usually around 5-10%. It is recommended to follow the care instructions provided by the manufacturer to minimize shrinkage.
85db
Who permissible limit for chromium in cauliflower
.4%-.8%
The Permissible Exposure Limit (PEL) for hydrogen chloride (the gaseous form of hydrochloric acid) is 5 ppm, or 7 mg/m3, as a ceiling limit. This limit applies to airborne vapor concentrations, not to skin contact with a liquid form of this material.
5 microgram per litre
30-300 mg in a 24 hr sample
The permissible exposure limit of OSHA is 1 ppm.