Some people with chest pain have normal or minimal narrowing of heart arteries; in these patients, vasospasm is a more likely cause for the pain, sometimes in the context of Prinzmetal's angina and syndrome X.
You are here. Pure Live Seed. Pure live seed (PLS) is a measure used by the seed industry to describe the percentage of a quantity of seed that will germinate. PLS is obtained by multiplying the purity percentage by the percentage of total viable seed, then dividing by 100.
Purell is a instant hand sanitizer made of ethyl alcohol which claims to kill 99.99% of common germs that may cause illness in as little as 15 seconds. Its active ingredient is ethanol (63% w/w). It is used by wetting oneâs hands thoroughly with the product, then briskly rubbing oneâs hands together until dry. The brand is owned by Gojo Industries. Purell was introduced to the market in 1996. PURELL Green Certified Instant Hand Sanitzer is the first hand sanitizer to meet EcoLogo CCD-170 standards.