Issue Date: May 5, 2021
Wetstock SIR V1.0 SIR and V1.2 SIR
RECONCILIATION TEST METHOD (QUANTITATIVE)
||Leak rate of 0.1
gph with PD of 99.57 % and PFA 0.43% (V1.0).
Leak rate of 0.2 gph with PD = 99.9998% and PFA = 0.000142% (V1.2).
||0.05 gph for leak
rate of 0.1 gph (V1.0).
0.1 gph for leak rate of 0.2 gph (Version 1.2).
A tank system should not be declared tight if the test result indicates a
loss or gain that equals or exceeds this threshold.
single tank size for non-manifolded tank system 31,876 gallons - No larger
than 121,343 gallons for single tank.
Maximum tank system size the SIR method may be applied to is 121,343
Maximum number of tanks in manifolded tank system can be 3.
throughput of 790,575 gallons.
Must be exactly 30 days, no more, no
||63% of data sets
evaluated were from manifolded tank systems.
Inventory data can be
recorded manually or entered by hand into computer.
Conditions where the
statistical inventory method is inadequate:
Insufficient or excess number
of usable records-(must be 30 days of data)
Irregular time intervals
between dipstick reading
Unacceptable daily variability of inventory
Missing data in any field on the required data form
Missing over or
short calculation on the form
Data sets evaluated were randomly selected
from a database of inventory records maintained by evaluator.
meter errors are compensated for.
Calibration errors are compensated
Dover Fueling Solutions
c/o Wayne Fueling Systems LLC
3814 Jarret Way t
Ken Wilcox Associates
Austin, TX 78728
Evaluation: September 30, 2020
Phone: +44 (0)
Vendors: A - F |
Vendors: G - M |
Vendors: N - S |
Vendors: T - Z |
Method Index |
this list is not to be construed as an endorsement by any regulatory agency nor
is it any guarantee of the performance of the method or equipment.
Equipment should be installed and operated in accordance with all applicable
laws and regulations. For full details, please refer to our expanded "DISCLAIMER"