In international trade, it's a term popularised by "joker brokers" usually on junk mail forums or fraudulent offers or similar.
These joker brokers, in their ignorance, imagine that random suspicious people clamber over tanks trying to poke little sticks into the fuel, in order to prove something or other.
In reality, a qualified independent and respected inspection agency such as S.G.S., carries out a series of complex analysis on the product with specialised equipment and facilities. The analysis is sent to the bank, who then compares the report to the criterias stipulated on the documentary letter of credit (LC).
If the report and other "Presentation Documents" are within the parameters on the LC, then it is collected upon successfully.
If the report is outside of the parameters on the LC, then collection is denied.
Of course it's far more complicated than this, but you get the idea.
as an opiate on a dip test but as itself or an opiate on a lab test
Fuel pressure test at the fuel rail.
you'll need a water test kit or dip stick test.
It is called the meniscus.
2 stroke engines do not have a dip stick. The engine oil is mixed with the fuel.
With a fuel pressure test at the fuel rail.
Doubtful
Dip your balls in the bleach.
dip is composed of tobacco which has Nicotine. Nicotine is a drug BUT only will show if if someone is looking for Nicotine in a test. It is not Illegal.
It is safe to operate your vehicle without a dip stick in the transmission. The dip stick is mainly used to test the level of fluid in the transmission.
The Villager does not have a test port. You need to tee into the line at the fuel filter.
Fuel pump pressure test.