We are using cookies This website uses cookies in order to offer you the most relevant information. By browsing this website, you accept these cookies.
For diesel fuel, the limit for benzene was set at 350 ppm.
2
This brings the threshold of 450ppm closer sooner than had been anticipated.
3
In contrast, 250 ppm Pb-treated males did not differ in these endpoints.
4
The US Food and Drug Administration limits vomitoxin in food to 1 ppm.
5
Many locations rejected wheat with levels of 10 ppm and higher.
Usage of portable people meter in английском
1
Arbitron makes the device called the PortablePeopleMeter (PPM) to measure radio station listenership.
2
The suit accused the company of failing to disclose flaws in its PortablePeopleMeter system, used to compile radio station audience size estimates.
3
Arbitron is a media ratings service company that makes the device called the PortablePeopleMeter (PPM) to measure radio station listenership.
4
The suit accused the company of failing to disclose flaws in its PortablePeopleMeter (PPM) system, used to compile radio station audience size estimates.
5
Revenue for the company, which makes the device called PortablePeopleMeter to measure radio station listenership, fell 4 percent to $98 million.