Photons may occur in the form of x-rays, gamma rays, or quanta of light. The energy (E) of a photon is expressed as the product of its frequency (v) and Planck's constant (h), as in the equation E = hv. X-ray photons occur in frequencies of 10 18 to 10 21 Hz and energies that range upward from 1 KeV.
Confidence votes 52.5K. In the US, the standards called General Industry Standards are the OSHA standards at 29 CFR 1910 and are sometimes called Part 1910.
Quality audits are reviews to ensure that a company or product meets quality standards. Quality standards used for audit purposes include those set by a company or by the American Society for Quality or ASQ, International Standards Organization or ISO, American National Standards Institute or ANSI, six sigma quality ...