Victoria County, Texas

VICTORIA COUNTY, TEXAS

Effective Redesignation Date: 5/8/95 (60 FR 12453, 3/7/95)

Maintenance Plan - Key Features

• 1990 base year, 1992 attainment base, no emissions budget
• RACT measures as stated in the SIP
• Federal Motor Vehicle Control Program
• RVP limit of 7.8 psi
• applicability of preconstruction review in accordance with the PSD requirements of Title I part C

Contingency Plan Trigger

• Trigger 1: air quality monitors record a third exceedance of the ozone NAAQS within any 3 consecutive years
• Trigger 2: ozone design value equals or exceeds 85 percent of the exceedance level of the ozone NAAQS
• Trigger 3: the monitor shows 1 to 4 exceedances of the ozone NAAQS during any 3 consecutive years
• Trigger 4: a second exceedance of the ozone NAAQS within any 3 consecutive years
• Trigger 5: violation of the ozone NAAQS during the maintenance period (4 times in 3 consecutive years)

Contingency Measures

• Trigger 1: implement Stage I gasoline controls
• Trigger 2: establish a voluntary ozone advisory program
• Trigger 3: establish a formal ozone advisory program
• Trigger 4: ozone advisory board will institute a voluntary program to reschedule, revise, or curtail activities for the ozone advisory days
• Trigger 5: any additional voluntary measure

Schedule

• Trigger 1:
• rule submitted within 6 months of the third exceedance
• compliance for sources will be within 6 months of rule submittal
• Trigger 2: dissemination of information to the county within 6 months of violation verification
• Trigger 3: staffed and functional within 6 months of the violation verification
• Trigger 4: developed and available within 30 days of violation verification

For further information:

Tom Diggs
Air Planning Section Chief (6PD-L)
Air Programs Branch
U.S. EPA, Region VI
1445 Ross Avenue
Dallas, Texas 75202-2733

Telephone: (214) 665-7214; Email: diggs.thomas@epamail.epa.gov