YZ Odorizer

Question 1

What type of odorants can be used in Eversource gas systems?

Answer 1

Eversource approved odorants

Question 2

Are odorants flammable?

Answer 2

YES

Question 3

What is the maximum odorant fill capacity for odorant tanks?

Answer 3

85-90%

Question 4

What is the preferred method of odorant transport?

Answer 4

Bulk tankers

Question 5

If odorant is transported using cylinders what standards must be use?

Answer 5

Eversource welding and cutting section in the safety manual?

Question 6

Who must be notified prior to handling any odorant or performing an odorant maintenance?

Answer 6

Gas Control
I&R Supervisor
Manager
Local Fire and Police

Question 7

What must be worn when handling odorants?

Answer 7

Plastic gloves and glasses

Question 8

What two methods are used to determine if odorant in present in the atmosphere?

Answer 8

• A sniff test
• An odorometer reading

Question 9

Odorant levels are measured using a reading called what?

Answer 9

RDL
(Readily Detectible Level)

Question 10

What are the target RDL’s for MA and CT

Answer 10

MA - 0.15%

CT - 0.1 - 0.9%

Question 11

What is the odorant injection rate measured in ?

Answer 11

Pounds of Odorant per Million Cubic Feet of Gas

LBS / MMCF

Question 12

Seasonal temperature changes may result in changes to the amount of odorant injected in the system true or false ?

Answer 12

TRUE

Question 13

Who must be notified prior to working on or maintaining and odorizer ?

Answer 13

Gas Control

Question 14

An odorizer must be placed on ______ prior to commencing work or troubleshooting.

Answer 14

Stand-by

Question 15

Injection rate remains _______ to the proportional volume of gas in a system.

Answer 15

Constant

Question 16

________ are conducted at the extremities of a gas system.

Answer 16

Sniff tests / odometer readings

Question 17

Can approved odorants be mixed and interchanged?

Answer 17

YES

Question 18

Any alarm or abnormal conditions are reported to I&R supervisors immediately, true or false?

Answer 18

TRUE

Question 19

Full face respirator masks must have what type of cartridge ?

Answer 19

Organic Vapor

Question 20

To test leaks in odorization equipment, use either a ________ or a ________.

Answer 20

Soapy solution / CGI

Question 21

Leaks found in odorization equipment must be repaired asap, true or false?

Answer 21

TRUE

Question 22

At the extremities of an odorization system, target RDL levels must be what for CT and MA?

Answer 22

1/5th ( . 1% - . 9% ) — CT

0.15% — MA

Question 23

Seasonal temp changes may result in changes to the flow rate requiring odorant injection rates to change, true or false?

Answer 23

TRUE

Question 24

Over odorization can cause what?

Answer 24

False leak complaints

Question 25

Any condition not corrected during inspection must be corrected within ______ month(s) of the inspection, provided the conditions do not result in low levels or odorization.

Answer 25

1 month / 30 days

Question 26

Odorizers shall not be turned off or left in standby without prior approval from _____ and ________

Answer 26

I&R supervisor / Gas Control

Question 27

All odorizers shall be inspected at a minimum ________ day(s)

Answer 27

Monthly / 30 days

Question 28

Alarms and other abnormal conditions shall be reported to ________

Answer 28

I&R Supervisor

Question 29

What is the injection rate for CT and MA?

Answer 29

CT - .35 lb / mmcf MA - .5 lb / mmcf

Question 30

The _____ verifies the amount of odorant injected into the gas system.

Answer 30

Verometer