EPA is proposing national emission
standards for hazardous air pollutants for gold mine ore processing
and production. The proposed rule applies to gold mine facilities
engaged in processing gold ore to recover gold using one or more of
the following process units: roasters, autoclaves, carbon kilns,
melt furnaces, retorts, electrowinning, and/or pregnant tanks; and
have the potential to emit mercury for which the source category
was listed. All gold mine facilities subject to the rule would be
required to comply with emission standards for mercury. The
standards are based on the maximum achievable control technology
for this source category. Gold mine facilites subject to emission
standards would be required to conduct a performance test to
demonstrate annual compliance with the mercury standard. Monitoring
requirements for gold mine facilities with roasters would include
either continuous monitoring of mercury emissions from roaster
stacks or weekly samples of mercury concentration, both coupled
with parametric monitoring of the mercuric chloride scrubbers on
roasters. EPA is proposing two options for monitoring requirements
for gold mine facilities with processes controlled by carbon
adsorbers: (1) sampling of the exit stream from the carbon bed for
mercury and (2) sampling the carbon for adsorbed mercury. The inlet
to the carbon adsorber would also be monitored for temperature. For
wet scrubbers, EPA is proposing that the water flow rate or line
pressure be monitored. Potential respondents include 21 existing
gold mine ore processing and production facilites; no new gold mine
facilites are expected during the 3-year clearance period of this
ICR. Total annual responses attributable to this ICR for existing
sources are two one-time notifications; notification of
applicability and notification of compliance status. The final rule
allows 3 years after promulgation for existing gold mine ore
processing and production facilities to comply with these
requirements.
This ICR covers information
collection requirements in the final National Emissions Standards
for Hazardous Air Pollutants (NESHAP) for gold mine ore processing
and production sources (40 CFR part 63, subpart EEEEEEE).
On behalf of this Federal agency, I certify that
the collection of information encompassed by this request complies
with 5 CFR 1320.9 and the related provisions of 5 CFR
1320.8(b)(3).
The following is a summary of the topics, regarding
the proposed collection of information, that the certification
covers:
(i) Why the information is being collected;
(ii) Use of information;
(iii) Burden estimate;
(iv) Nature of response (voluntary, required for a
benefit, or mandatory);
(v) Nature and extent of confidentiality; and
(vi) Need to display currently valid OMB control
number;
If you are unable to certify compliance with any of
these provisions, identify the item by leaving the box unchecked
and explain the reason in the Supporting Statement.