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Best Practices Tool Box > Spectral Transmittance Manual

OLA Members:
Use your OLA Member ID and password to login, to access members-only benefits.

Forgot your ID or password - CLICK HERE for reminder.

Login to get articles, information, and order forms available only to OLA Members.

Not an OLA Member?  Any surfacing lab is eligible to be an OLA Member. 
Contact OLA for more information, by phone at 800-477-5652, or email at

OLA Exhibitors:
Have you sent in your contract for THE OLA this year?

If so, login to get exclusive exhibitor-only access to a list of OLA members and a list of registrants at THE OLA.

Use the login ID and password supplied by OLA after you submitted your current year's contract. To obtain or confirm the ID and password, please call OLA at 800-477-5652.

AOL USERS - IF YOU HAVE PROBLEMS USING YOUR ID AND PASSWORD - DON'T USE THE AOL BROWSER; USE EITHER NETSCAPE OR INTERNET EXPLORER DIRECTLY.  Numerous members have reported this problem, and it is a function of how AOL uses the browser.

Forgot your ID or password - CLICK HERE for reminder.

Member/Exhibitor Login
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