Equipment used with aqueous solutions for electrochemical
surface coating or preparation is permitted by rule if operated
under the specific conditions stated in Title 30, Texas
Administrative Code (30 TAC),
Section 106.375,
and the general conditions stated in 30 TAC
Section 106.4. 
Quick Screen
These are a few of the conditions stated in this permit by rule
(PBR):
- For plating onto or stripping from any basis substrate, only
these metals may be used:
- brass
- bronze
- cadmium
- copper
- iron
- lead
- nickel
- tin
- zinc
- precious metals
- Chromic acid must not be used in any step that involves
electrical current, air agitation, or any other factor that causes
the chromic acid to bubble or mist.
- Systems for chemical milling or electrolytic metal recovery and
reclamation are not covered by this PBR.
- Unless specific operating conditions are used to control or
contain hydrochloric acid fumes, daily records must be kept as
described below.
If your equipment meets the conditions of this PBR, our PBR
Applicability Checklist,
TCEQ Form - 10149, can help you determine whether your facility
meets the general conditions of 30 TAC
Section 106.4. 
If your facility cannot comply with these conditions, see Types of New Source
Review Authorizations for other options.
Registration
This permit by rule (PBR) does not require you to register or
pay a fee.
Record Keeping
If you claim this PBR for your facility, then under 30 TAC
Section 106.8
your must keep records to identify the rules
under which your facility is operating and demonstrate compliance
for a rolling 12-month period. Be sure you keep at least these
records:
In addition, if your equipment is not operated according to the
conditions of this PBR with respect to hydrochloric acid, you
must:
- Keep daily records of the maximum hydrochloric acid temperature
and concentration for each tank.
- At least once each month, convert the daily recorded data to
partial pressure.
- Maintain these records for a rolling 24-month
period.
These records must be maintained on site and available on
request for inspection by the TCEQ or any air pollution control
program that has jurisdiction. If you have questions about the type
of records you should keep, contact the Air Program in the
TCEQ regional office that serves your county.
Questions? We Can Help
If you have questions about this or any other PBR, contact
us:
e-mail: airperm@tceq.state.tx.us
phone: 512/239-1250