LOT 201.23 Primary Sampling

Question 1

• LOT 201.23 Primary Sampling*
• • *

What is the purpose of the RCS sample delay coil?

Answer 1

Limits short-lived activity product exposure (N-16)

Question 2

• LOT 201.23 Primary Sampling*
• • *

Where are the major components in the primary sampling system physically located?

Answer 2

• Primary Sampling Room (MAB 41’):*
• *ZLP-131**
• *BCMS**
• Demin Row (MAB 41’):*
• *ZLP-127**
• Samples Demins*
• South of BTRS Chiller (MAB 41’):*
• *ZLP-129**
• Samples RHT*

Question 3

• LOT 201.23 Primary Sampling*
• • *

What chemicals are added to the primary?

Answer 3

H₂
pH w/ Φ_gamma and O₂ control
Added to VCT

Hydrazine
pH w/o Φ_gamma and O₂ control
Added to CVCS chemical mixing tank

LiOH
Minimizes corrosion and buildup of crud
Added to CVCS chemical mixing tank

Boric Acid
Added to VCT
Added to CVCS Charging pump suction

Question 4

• LOT 201.23 Primary Sampling*
• • *

What RCS loops does the primary sampling system sample?

Answer 4

RCS Hot legs (A and C)

Question 5

• LOT 201.23 Primary Sampling*
• • *

What cools the primary sampling system sample coolers?

Answer 5

CCW