Sampling
Oxygen uptake increases when temperatures ________.
What is increase?
Mechanical seals are ________ reliable than packing.
What is more?
A fire in a paint storage area.
What is Class B?
Samples should be preserved by refrigeration at a temperature no higher than this.
What is 6 deg C?
Head loss due to friction _________ as velocity increases.
What is increases?
pH is considered corrosive when it is ______ than 2.0 and ________ than 12.5.
What is less than 2.0 and more than 12.5?
An electrical panel fire.
What is Class C?
This type of sample container is required for volatile organic compounds.
What is glass?
BOD consumption doubles for every 10 degree C ________ in wastewater.
What is increase?
Non-point sources of pollution are ________ abundant than point sources.
What is more?
A pond covered in ice and snow would see a(n) ________ in BOD.
What is increase?
H2S is most corrosive at a pH ________ 5.0.
What is less?
This substance is used in COD titration.
What is mercuric sulfate?
Hydrogen sulfide gas is released from wastewater when the pH is ________ than 8.0.
What is less than 8.0?