An Unhealthy pH Level. Tooth decay can occur when the pH level in the mouth is 5.5. For reference, the neutral level is 7.0. When we consume acidic foods and drinks, the pH within the mouth decreases and can cause the pH in the dental plaque to fall rapidly below 5.0.
Plastic Golden Age Passports are valid for a lifetime. However, if you do want the new Senior Pass, you may purchase one for $10, with proof of identification (e.g., driver's license, birth certificate, or similar government-issued document).lastic Golden Age Passports are valid for a lifetime. However, if you do want the new Senior Pass, you may purchase one for $10, with proof of identification (e.g., driver's license, birth certificate, or similar government-issued document).
Senior/Disabled/Medicare 30 Day Pass - $20. Senior/Disabled/Medicare Day Pass - $2.50. Senior/Disabled/Medicare EZ transit pass - $42. Senior/Disabled/Medicare EZ Premium Stamp - $9.50 per zone. Seniors 62 years or older qualify for a Senior TAP Card. There is no charge for the card itself, but you must supply a full-face photo (1 X 1-1/4 or 2â X 2â) along with an official ID showing proof of age (California ID, California Drivers License, passport, or a birth certificate accompanied by any photo ID).