paying blood banks in california

“Donating” plasma or blood for money in HB California?
I was wondering where to go to “donate” my plasma/blood for money in huntington beach california. If i have to go to a blood bank then where is the closest one and do you need an appointment? Also how much do you get paid for it and how often can you do it? Is there an age restriction?
I’m pretty sure that you have to be 18 to donate. The amount that you get paid varies on body weight.
This page will help you find the nearest center:
http://www.zlbplasma.com/s1/cs/enps/1167772006725/content/1167772006392/content.htm
And this is the home page so you can learn more about it:
http://www.zlbplasma.com/s1/cs/enps/1160756083930/content/1160756083792/home.htm
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