DERR-2024-012105

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: Mt. Ogden Division Owner: Utah Transit Authority
Address: 135 West 17th Street Address: 200 South 669 West
City, State, Zip: Ogden, Utah 84401 City, State, Zip: Salt Lake City, Utah 84101
Facility I.D.#: 1200265 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 9/12/23
This procedure is to determine pressure/vent cap specifications. See 40 CFR 63 CCCCCC for the inspection procedure.
Tank Number 3
Product Grade RUL
PV Manufacturer OPW
Model Number 623V
PRESSURE TEST
Passing 2” Leak Rate (CFH) <0.05
Measured 2” Leak Rate (CFH) 0.038
Passing Positive Opening Pressure (Inches WC) 2.5 – 6.0
Measured Positive Opening Pressure (Inches WC) 4.1
VACUUM TEST
Passing -4” Leak Rate (CFH) <0.21
Measured -4” Leak Rate (CFH) 0.038
Passing Negative Opening Pressure (Inched WC) -6.0 – -10.0
Measured Negative Opening Pressure (Inched WC) -6.3
Test Results ☒Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments:

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