Which of these shows the correct order of the stats of the water quality study?

We will follow the following steps during water quality study :
1. Onsite assessment
2. water collection
3. Measure samples and record
4. study and evaluate
The oder to follow will be :
• 4- onsite assessment ;
• 1; - collect water sample
,• 3; - measure samples and collect
,• 2; - study and evaluate, conclude