4. Sampling Plans

Question 1

4 types of sampling plan

Answer 1

Intuitive
Statistical
Hybrid
Protocol sampling

Question 2

2 types of plans

Answer 2

Surveillance/exploratory

monitoring/assessment

Question 3

btw local and area control site

Answer 3

A local control site is adjacent t the sampling site

Area control site is in the same area as the sampling site but not adjacent to it

Question 4

2 types of samples

except duplicate and split samples

Answer 4

Grab sample

Composite samples

Question 5

Grab samples (discrete and integrated)

Answer 5

specific time and location (spatial, temporal)
cons: scrarifies data resolution, less sample collected
Pro: Flexibility in sampling location and little equipment

Question 6

Composite samples

Answer 6

is the combination of individual samples
useful for pollutants that layer out over time,
a lower cost
Cons: less information available

Question 7

number and type of sample

Answer 7

of sample need to be calculated

Question 8

sampling approach

Answer 8

random
judgmental or
systematic

Question 9

Random

Answer 9

largest # of sample but smallest bias

Question 10

Judgemental

Answer 10

small number of samples but largest bias.

require prior knowledge of the site

Question 11

systematic

Answer 11

lager # of samples, but has smaller bias for judgemental

Question 12

SOP

Answer 12

Standard Operation Procedure