You may unsubscribe from ASTM emails at any time. There are two different and separately managed ASTM email subscriptions. Please follow the appropriate link to unsubscribe:

To unsubscribe from ASTM marketing information, please visit: https://marketing.astm.org/acton/media/9652/astm-subscription

To unsubscribe from the ASTM tracker emails, please log into your account and then unsubscribe by using the button below.