Current through all regulations passed and filed through September 16, 2024
(A) Exhaust
emissions for diesel-powered equipment
is to be
monitored and controlled using the control and conditioning systems of rule
1501:10-2-05 of the
Administrative Code, the threshold limits and other provisions of rule
1501:10-2-07 of the
Administrative Code, the baseline exhaust emissions values established in this
rule, and the diagnostic testing of rule
1501:10-2-21 of the
Administrative Code.
(B)
Establishing baseline exhaust emissions values. For purposes of diagnostic
testing under rule
1501:10-2-21 of the
Administrative Code, baseline exhaust emissions values
are to
be established in accordance with this rule for each piece of diesel- powered
equipment to be used in a specific underground coal mine.
(1) The chief will approve
baseline carbon monoxide (CO) values that are representative of the MSHA lug
curve for that specific engine model. If the baseline CO values are greater
than the MSHA lug curve values, the chief will investigate
and approve, disapprove, or provide an alternate operating procedure for
meeting this rule under
the condition that CO baseline exhaust emissions remain representative of
MSHA's approval data.
(2) The chief
will
establish the loaded condition for the baseline exhaust emissions testing under
paragraphs (C)(12) to (C)(13) of this rule by determining carbon dioxide (CO2)
values that are representative of the MSHA lug curve readings for that engine
model and horsepower.
(3) When any
diesel-powered machine first enters service at a mine, or when an engine in any diesel-powered machine has been
replaced or modified, a mechanic qualified in accordance with rule
1501:10-2-24 of the
Administrative Code is to establish the baseline exhaust emissions values,
other than the CO and CO2 emissions values approved or established by the chief
under paragraphs (B)(1) and (B)(2) of this rule, by following the procedure of
paragraph (C) of this rule or an approved alternative procedure of paragraph
(D) of this rule.
(C)
When establishing baseline exhaust emissions values, equipment may be located
either on the surface or underground. Unless the chief approves an alternative
procedure for establishing baseline exhaust emissions values pursuant to
paragraph (D) of this rule, a mechanic qualified in accordance with rule
1501:10-2-24 of the
Administrative Code is to establish baseline exhaust emissions values in
accordance with the following:
(1) Verify that
the seal on the engine fuel injector pump is in place and that the proper fuel
pump is on the equipment;
(2)
Install a new, clean intake air cleaner, then measure and record the intake
restriction pressure, and ensure the pressure meets the manufacturer's
specifications;
(3) Check the level
of engine oil and add oil, if necessary;
(4) Change the engine lubrication oil (if not
fresh);
(5) Check the level of the
transmission fluid and add fluid if necessary;
(6) Measure and record the exhaust gas
backpressure and, if exhaust gas backpressure is above that specified by the
manufacturer, take steps to bring the exhaust gas backpressure back within the
manufacturer's recommended limit prior to again beginning the procedure to
establish the baseline exhaust emissions values pursuant to paragraph (C) of
this rule;
(7) Test the brakes and
ensure the brakes are in good working order as specified by the
manufacturer;
(8) If the baseline
exhaust emissions values are being established on equipment that is
underground, place the equipment into an intake entry;
(9) Set the brakes and chock the
wheels;
(10) Install an exhaust gas
analyzer in proper working condition into the untreated exhaust gas
port;
(11) Start the engine and
allow it to warm up to operating temperature;
(12) Put the engine into a loaded
condition;
(13) Start the exhaust
gas analyzer and allow the engine to operate in the loaded condition for a
sufficient length of time, but not less than a ninety-second duration to insure
proper CO readings. The qualified mechanic is to record
both CO and CO2 readings; and
(14)
Comply with record keeping provisions of rule
1501:10-2-17 of the
Administrative Code.
(D)
The chief may approve an alternative to the procedure to establish the baseline
exhaust emissions values of paragraph (C) of this rule.
(E) The results of the procedures to
establish the baseline exhaust emissions values under this rule
are to
be submitted to and approved by the chief prior to being implemented for each
engine and equipment type.
