Weight Scaling Flashcards
1
Q
What is PSY
A
It is an eight digit code indicating population, stratum and year
Ex. 10744915
Population first 4 digits, stratum following 2, year last 2
2
Q
Why do we stratify in weight scaling
A
Reduces sampling costs by reducing sampling size
Achieves better efficiency
3
Q
When inspecting loads before weighing what do you look for
A
All wheels of truck on platform
Acceptable Timber marks and brands
Trucker provides acceptable load documentation
Make sure load represents stratum, grade species
