Link for Wisconsin Time Standards
Link for YMCA National Time Standards
YMCA State Standards - click here
Link for USA Swimming Time Standards
When looking at these time standards SCY is for a 25 yard pool like ours, SCM is for a 25 meter pool, not a lot of these around, LCM is for a 50 meter pool like Schroeder without the bulkheads or Erb Park in Appleton.