DERR-2024-005700

WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

PRODUCT PIPING INTEGRITY TESTING
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to test the integrity of product piping. Tests were performed with Petro-Tite line tester.
Tank Number 9 9 13
Product Stored DSL DSL RUL
Piping Run North South Only
Piping Type Flex D/W Flex D/W Flex D/W
Test Pressure (PSI) 50 50 50
Test Duration (minutes) 30 30 30
Leak Rate (GPH) 0.000 0.003 0.000
Test Results ☒Pass ☐Fail ☒Pass ☐Fail ☒Pass ☐Fail ☐Pass ☐Fail
Comments:
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature

Diesel
R UL
WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

MECHANICAL AND ELECTRONIC LINE LEAK DETECTOR PERFORMANCE TESTS
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This data sheet can be used to test the mechanical line leak detector (MLLD) and electronic line leak detector (ELLD) with submersible turbine
pump (STP) systems. See PEI/RP 1200 Sections 9.1 and 9.2 for test procedures.
Line Number 9 (south) 9 (north) 13
Product Stored DSL DSL RUL
Leak Detector Manufacturer Red Jacket Red Jacket Red Jacket
Leak Detector Model FX1DV FX1DV FX1V
Type Of leak Detector
☒MLLD
☐ELLD
☒MLLD
☐ELLD
☒MLLD
☐ELLD
☐MLLD
☐ELLD
MLLD (ALL PRESSURE MEASURMENTS ARE MADE IN PSIG)
STP full operating pressure 28 28 25
Check valve holding pressure 18 18 14
Line resiliency (ml) (line bleedback volume as measured
from check valve holding pressure to 0 psig) 160 70 40
Step through time in seconds (time the MLLD hesitates at
metering pressure before going to full operating pressure as
measured from 0 sig with no leak induced on the line)
1 2 1
Metering pressure (STP pressure when simulated leak rate 3
gph at 10 psig) 10 10 10
Opening time in seconds (the time the MLLD opens to allow
full pressure after simulated leak is stopped) 1 2 1
Does the STP pressure remain at or below the metering
pressure for at least 60 seconds when the simulated leak is
induced? ☒Yes ☐No ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No
Does the leak detector reset (trip) when the line pressure is
bled off to zero psig? ☒Yes ☐No ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No
Does STP properly clycle on/off under normal fuel system
operating conditions? ☒Yes ☐No ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No
A "No" answer to any of the above questions indicates that the MLLD fails the test.
ELLD (ALL PRESSURE MEASURMENTS ARE MADE IN PSIG)
STP full operating pressure
How many test cycles are observed before alarm/shutdown
occurs?
Does the simulated leak cause on alarm? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
A "No" answer to the above question indicates that the ELLD fails the test.
Does the simulated leak cause an STP shutdown? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
Test Results ☒Pass ☐Fail ☒Pass ☐Fail ☒Pass ☐Fail ☐Pass ☐Fail
Comments:
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature
WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

AUTOMATIC TANK GAUGE OPERATION INSPECTION
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to determine whether the automatic tank gauge (ATG) is operating properly. See PEI/RP1200 Section 8.2 for the inspection
procedure. This procedure is applicable to tank monitor stems the touch the bottom of the tank when in place.
Tank Number 9 13
Product Stored DSL RUL
ATG Brand and Model Tops Tops
1. Tank Volume, gallons 20,149 5,076
2. Tank Diameter, inches 113.5 95.75
3. After removing the ATG from the tank, it has been
inspected and any damaged or missing parts replaced? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. Float moves freely on the stem without binding? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
5. Fuel float level agree with the value programmed
into the console? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
6. Water float level agree with the value programmed
into the console? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
7. Inch level from the bottom of the stem when 90%
alarm is triggered? 95.75 80.75
8. Inch level at which the overfill alarm activates
corresponds with the value programmed in the
gauge?
☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
9. Inch level from the bottom when the water float
first triggers an alarm? 2 2
10. Inch level at which the water float alarm activates
corresponds with the value programmed in the
gauge?
☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
If any answers in Lines 3, 4, 5, or 6 are "No" the system has failed the test.
Test Results ☒Pass ☐Fail ☒Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments: Batteries OK
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature

WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

LIQUID SENSER FUNCTIONALITY TESTING
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to determine whether liquid sensors, located in the interstitial spaces of the UST systems, are able to det ect the presence of water and fuel. See
PEI/RP1200, Section 8.3 for the test procedure.
Sensor Location South Sump South STP North STP South Sump STP INT INT
Product Stored DSL DSL DSL RUL RUL DSL RUL
Type of Sensor
☐ Discriminating
☒ Non-Discrimi-
nating
☐ Discriminating
☒ Non-Discrimi-
nating
☐ Discriminating
☒ Non-Discrimi-
nating
☐ Discriminating
☒ Non-Discrimi-
nating
☐ Discriminating
☒ Non-Discrimi-
nating
☐ Discriminating
☒ Non-Discrimi-
nating
☐ Discriminating
☒ Non-Discrimi-
nating
Test Liquid ☒ Water
☐ Product
☒ Water
☐ Product
☒ Water
☐ Product
☒ Water
☐ Product
☒ Water
☐ Product
☒ Water
☐ Product
☒ Water
☐ Product
Is the ATG Console clear of any active or
recurring warnings or alarms regarding
the leak sensor? If the sensor is in alarm
and functioning, indicate why.
☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No
Is sensor alarm circuit
operational? ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No
Has sensor been inspected and in good
operating condition? ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No
When placed in test liquid, does the
sensor trigger an alarm? ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No
When alarm is trigger, is the sensor
identified on the ATG console? ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No ☒ Yes ☐ No
Any “No” answers indicate the sensor fails the test.
Test Results: ☒ Pass ☐ Fail ☒ Pass ☐ Fail ☒ Pass ☐ Fail ☒ Pass ☐ Fail ☒ Pass ☐ Fail ☒ Pass ☐ Fail ☒ Pass ☐ Fail
Comments:
Tester’s Name: Taber DeHart, UT-0394 Tester’s Signature
WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

OVERFILL ALARM OPERATION INSPECTION
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to determine whether the automatic tank gauge (ATG) is operating properly. See PEI/RP1200 Section 8.2 for the inspection
procedure. This procedure is applicable to tank monitor stems the touch the bottom of the tank when in place.
Tank Number 9 13
Product Stored DSL RUL
ATG Brand and Model Tops Tops
1. Tank Volume, gallons 20,149 5,076
2. Tank Diameter, inches 113 1/2 95 3/4
3. Overfill alarm activates in the test mode at the
console? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. When activated, overfill alarm can be heard or seen
while delivering to the tank? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
5. After removing the probe from the tank, it has been
inspected and any damaged or missing parts replaced? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
6. Float moves freely on stem without binding? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
7. Moving product level float up the stem trigger
alarm? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
8. Inch level from bottom of stem when 90% alarm is
triggered? 95 3/4 80 3/4
9. Tank volume at inch level in Line 8. 18,114 4,566
10. Calculate (Line 9 / Line 1) X 100 89.90 89.95
11. Is line 10 less than 90%? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
12. Fuel float level on the console agrees with the
gauge stick reading? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
13. Overfill alarm activates at any product level above
90% tank capacity? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
If any answers in Lines 3, 4, 5, 6, 7, or 11 are "No," or Line 13 is “Yes,” the system has failed the test.
Test Results ☒Pass ☐Fail ☒Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments:
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature

WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

AUTOMATIC TANK GAUGE OPERATION INSPECTION
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to determine whether the automatic tank gauge (ATG) is operating properly. See PEI/RP1200 Section 8.2 for the inspection
procedure. This procedure is applicable to tank monitor stems the touch the bottom of the tank when in place.
Tank Number 14
Product Stored O/R DSL
ATG Brand and Model Tops
1. Tank Volume, gallons 20,149
2. Tank Diameter, inches 113.5
3. After removing the ATG from the tank, it has been
inspected and any damaged or missing parts replaced? ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. Float moves freely on the stem without binding? ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
5. Fuel float level agree with the value programmed
into the console? ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
6. Water float level agree with the value programmed
into the console? ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
7. Inch level from the bottom of the stem when 90%
alarm is triggered? 95.75
8. Inch level at which the overfill alarm activates
corresponds with the value programmed in the
gauge?
☒Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
9. Inch level from the bottom when the water float
first triggers an alarm? 2
10. Inch level at which the water float alarm activates
corresponds with the value programmed in the
gauge?
☒Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
If any answers in Lines 3, 4, 5, or 6 are "No" the system has failed the test.
Test Results ☒Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments: Batteries OK
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature

WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

LIQUID SENSER FUNCTIONALITY TESTING
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to determine whether liquid sensors, located in the interstitial spaces of the UST systems, are able to detect the presence of water and fuel. See
PEI/RP1200, Section 8.3 for the test procedure.
Sensor Location 14 Sump 14 INT
Product Stored O/R DSL O/R DSL
Type of Sensor
☒ Discriminating
☐ Non-Discrimi-
nating
☒ Discriminating
☐ Non-Discrimi-
nating
☐ Discriminating
☐ Non-Discrimi-
nating
☐ Discriminating
☐ Non-Discrimi-
nating
☐ Discriminating
☐ Non-Discrimi-
nating
☐ Discriminating
☐ Non-Discrimi-
nating
☐ Discriminating
☐ Non-Discrimi-
nating
Test Liquid ☒ Water
☐ Product
☒ Water
☐ Product
☐ Water
☐ Product
☐ Water
☐ Product
☐ Water
☐ Product
☐ Water
☐ Product
☐ Water
☐ Product
Is the ATG Console clear of any active or
recurring warnings or alarms regarding
the leak sensor? If the sensor is in alarm
and functioning, indicate why.
☒ Yes ☐ No ☒ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☒ Yes ☐ No ☐ Yes ☐ No
Is sensor alarm circuit
operational? ☒ Yes ☐ No ☒ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No
Has sensor been inspected and in good
operating condition? ☒ Yes ☐ No ☒ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No
When placed in test liquid, does the
sensor trigger an alarm? ☒ Yes ☐ No ☒ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No
When alarm is trigger, is the sensor
identified on the ATG console? ☒ Yes ☐ No ☒ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No ☐ Yes ☐ No
Any “No” answers indicate the sensor fails the test.
Test Results: ☒ Pass ☐ Fail ☒ Pass ☐ Fail ☐ Pass ☐ Fail ☐ Pass ☐ Fail ☐ Pass ☐ Fail ☐ Pass ☐ Fail ☐ Pass ☐ Fail
Comments:
Tester’s Name: Taber DeHart, UT-0394 Tester’s Signature
WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

SPILL BUCKET INTEGRITY TESTING HYDROSTATIC TEST METHOD
SINGLE- AND DOUBLE-WALLED VACUUM TEST METHOD
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC
and Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to test the leak integrity of single- and double-walled spill buckets. See PEI/RP1200 Section 6.2 for hydrostatic test
method, Section 6.3 for single-walled vacuum test method and Section 6.4 for double-walled vacuum test method.
Tank Number 9 13 14
Product Stored DSL RUL DSL
Spill Bucket Capacity 5-Gallon 5-Gallon 5-Gallon
Manufacturer OPW OPW OPW
Construction ☐Double-walled
☒Single-walled
☐Double-walled
☒Single-walled
☐Double-walled
☒Single-walled
☐Double-walled
☐Single-walled
Test Type
☒Hydrostatic
☐Vacuum
☐Double-walled
☐Single-walled
☒Hydrostatic
☐Vacuum
☐Double-walled
☐Single-walled
☒Hydrostatic
☐Vacuum
☐Double-walled
☐Single-walled
☐Hydrostatic
☐Vacuum
☐Double-walled
☐Single-walled
Spill Bucket Type ☒Product
☐Vapor
☒Product
☐Vapor
☒Product
☐Vapor
☐Product
☐Vapor
Liquid and debris remove from spill
bucket?* ☐Yes ☐No ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No
Visual Inspection (no cracks, loose
parts or separation of the bucket from
the fill pipe.)
☐Yes ☐No ☒Yes ☐No ☐Yes ☒No ☐Yes ☐No
Tank Riser cap included in test? ☐Yes ☐No
☐NA
☒Yes ☐No
☐NA
☐Yes ☐No
☐NA
☐Yes ☐No
☐NA
Drain valve included in test? ☐Yes ☐No
☐NA
☒Yes ☐No
☐NA
☐Yes ☐No
☐NA
☐Yes ☐No
☐NA
Starting Level 12”
Test Start Time No Test 0
Ending Level 8”
Test End Time 5-Minute
Test Period 5-Minute
Level Change -4”
Pass/fail criteria: Must pass visual inspection. Hydrostatic: Water level drop of less than 1/8 inch; Vacuum single-walled only: Maintain at least 26 inches water
column; Vacuum double-walled: maintain at least 12 inches water column.
Test Results ☐Pass ☐Fail ☐Pass ☒Fail ☐Pass ☒Fail ☐Pass ☐Fail
Comments: No Test on Tank 9, all spill buckets to be replaced
*All liquids and debris must be disposed of properly
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature

WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

UST OVERFILL EQUIPMENT INSPECTION
AUTOMATIC SHUTOFF DEVICE AND BALL FLOAT VALVE
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This data sheet is for inspecting automatic shutoff devices and ball float valve. See PEI/RP1200 Section 7 for inspection procedures.
Product Grade DSL
Tank Number 14
Tank Volume, gallons 20,149
Tank Diameter, inches 113.5
Overfill Prevention Device Brand
Type ☒ Automatic
Shutoff Device
☐ Ball Float
Valve
☐ Automatic
Shutoff Device
☐ Ball Float
Valve
☐ Automatic
Shutoff Device
☐ Ball Float
Valve
☐ Automatic
Shutoff Device
☐ Ball Float
Valve
AUTOMATIC SHUTOFF DEVICE INSPECTION
1. Drop tube removed from tank? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
2. Drop tube and float mechanisms free of debris? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
3. Float moves freely without binding and poppet moves
into flow path? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. Bypass valve in the drop tube open and free of
blockage (if present)?
☐Yes ☐No
☐Not Present
☐Yes ☐No
☐Not Present
☐Yes ☐No
☐Not Present
☐Yes ☐No
☐Not Present
5. Flapper adjusted to shut off flow at 95% capacity? * ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
A "No" to any item in Lines 1-5 indicates a test failure.
BALL FLOAT VALVE INSPECTION**
1. Tank top fitting vapor-tight and leak free? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
2. Ball float cage free of debris? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
3. Ball free of holes and cracks and moves freely in cage? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. Vent hole in pipe open and near top of tank? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
5. Ball float pipe proper length to restrict flow to 90%
capacity? *** ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
A "No" to any item in Lines 1-5 indicates a test failure.
Test Results ☐Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments: No Test Completed
*Use manufacturer’s suggested procedure for determining if automatic shutoff device will shut off flow at 95% capacity.
**If a ball float valve is found to fail the inspection, another method of overfill must be used.
***Use manufacturer’s suggested procedure for determining if flow restriction device will restrict flow at 90% capacity.
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature
WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

PRESSURE/VACUUM VENT CAP
LEAK RATES AND OPENING PRESSURES
Facility Name: Little Cottonwood Treatment Plant Owner: Metropolitan Water District of SLC and
Sandy
Address: 3430 East Danish Road Address: 3430 East Danish Road
City, State, Zip: Cottonwood Heights, Utah 84093 City, State, Zip: Cottonwood Heights, Utah 84093
Facility I.D.#: 4000833 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/6/24
This procedure is to determine pressure/vent cap specifications. See 40 CFR 63 CCCCCC for the inspection procedure.
Tank Number 13
Product Grade RUL
PV Manufacturer OPW
Model Number 623V
PRESSURE TEST
Passing 2” Leak Rate (CFH) <0.05
Measured 2” Leak Rate (CFH) New
Passing Positive Opening Pressure (Inches WC) 2.5 – 6.0
Measured Positive Opening Pressure (Inches WC) New
VACUUM TEST
Passing -4” Leak Rate (CFH) <0.21
Measured -4” Leak Rate (CFH) New
Passing Negative Opening Pressure (Inched WC) -6.0 – -10.0
Measured Negative Opening Pressure (Inched WC) New
Test Results ☒Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments: New PV cap installed

Tester’s Name Taber DeHart, UT-0394 Tester’s Signature