The nice man at Chevron technical support asked us not to give his number out because in the past he has been deluged with calls that don't relate to where to find Chevron Shingle & Floor oil. He says he gets calls about everything from company credit card billing errors to complaints about flat tires. Naturally, the great guys that we are we didn't want to cause him any unnecessary inconvenience, so we told his boss that if he gave us permission to use the number we would explain the situation. He did, so here it is 1-800-582-3835.