Lumens to watts calculation formula. The power P in watts (W) is equal to the luminous flux Ï V in lumens (lm), divided by the luminous efficacy Î· in lumens per watt (lm/W): P (W) = Ï V(lm) / Î· (lm/W). So. watts = lumens / (lumens per watt).
Contact Address For pennsylvania department of public welfare. Email address to send mail to pennsylvania department of public welfare. Send mail to pennsylvania department of public welfare using the email address mentioned above and pennsylvania department of public welfare may not be reply back. Call pennsylvania department of public welfare Phone Numbers for Help: 1-800-692-7462, 1-800-932-0582.
WASHINGTON â The Internal Revenue Service announced today two new toll-free telephone numbers to provide taxpayers with better service. Small businesses and taxpayers requesting refunds will each have a special toll-free number; these two numbers become operational on Dec. 2, 2002.eople looking for their refunds have a new toll-free number: 1-800-829-1954. Individuals who filed a 1040 series return can check on the status of their current year tax refund with this toll-free number. 800-829-1040.