Possible Clues:

• Weight of milk Argo shifted
• Novel about to record artist's weight
• Metric ton fraction
• About 2.2lbs
• Weight might go up with the R.A. in milk
• Approximately, 2.2 lb
• Approximately two point two zero five pounds
• Mark returns holding one log that has a mass of 2.2 pounds
• Metric unit I record in score that's backed up
• Metric measure of weight