This is courtesy of the Los Angeles Times dated 11/10/97. Pretty impressive, hunh?
CAFFEINE Jolt Cola 72mg Nehi Maxxvm Cola 71mg Sundrop 63mg Kick 58mg Mountain Dew 55mg Mello Yello, Surge 53mg Coca-Cola Classic 47mg Royal Crown Cola 43mg Mr. PiBB, Dr. Pepper, Sunkist Sparkling Lemonade 41mg Sunkist Orange 40mg Squirt Ruby Red 39mg Pepsi 37mg A & W Cream Soda 28mg Barq's 23mg Slice Cola 11mg CAFFEINE Espresso, 2 oz. 120mg Regular, brewed, 6 oz. 103mg Instant, 6 oz. 57mg Instant, decaf, 6 oz. 2mg CAFFEINE Black, 6 oz. 53mg Oolong, 6 oz. 36mg Green, 6 oz. 32mg Iced tea, instant, 12 oz. 46mg CAFFEINE Java Water 71mg Krank 2O 70mg Water Joe 46mg Aqua Java 43mg CAFFEINE Java Juice 90mg XTC 70mg CAFFEINE Baking chocolate, unsweetened, 1 oz. 58mg Hershey Special Dark chocolate bar, 1.45 oz. 31mg Milk chocolate candy bar, avg. 1.55 oz. 11mg