ACS offers two options for Open Access: available immediately, or available after 12 months. Both options include deposit into PubMed Central. Please note that authors will have to deposit manuscripts into PubMed Central MANUALLY - ACS will no longer auto-deposit papers for NIH-funded work.
The Caltech Library pays for an "All ACS Publications" subscription, which gives Caltech authors a discount in OA fees. Additionally, if the author is an ACS member, there is a further discount. If you are a Caltech affiliate and an ACS member, your fees are:
Open Access fees can be paid through the ACS ChemWorx system, which requires an ACS ID.
The Caltech Library pays an annual membership fee to NAR, which entitles authors to the discounted Open Access fee of $1385.
The Caltech Library pays for a subscription to The Complete Science Collection, which entitles Caltech authors to a $900 discount off the Article Processing Charge. AAAS members are also entitled to an additional $84 discount. Please see here for more details.