General Permit Identification Cross Reference Key-HISTORIC Information

General Permit Description / General Permit Number (effective June 30, 2008 / Historic General Permit Document ID[1] / Historic General Permit STARS and PTI2000 IDs /
10-17.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.1 / MGP00801040811 / General Permit 1
10-17.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.2 / MGP00101040811 / General Permit 2
18-19.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.3 / MGP00901040811 / General Permit 3
18-19.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.4 / MGP00201040811 / General Permit 4
20-24.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.5 / MGP01001040811 / General Permit 5
20-24.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.6 / MGP00301040811 / General Permit 6
25-29.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.7 / MGP01101040811 / General Permit 7
25-29.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.8 / MGP00401040811 / General Permit 8
30-34.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.9 / MGP01201040811 / General Permit 9
30-34.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.10 / MGP00501040811 / General Permit 10
35-39.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.11 / MGP01301040811 / General Permit 11
35-39.9 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.12 / MGP00601040811 / General Permit 12
40-45 mmBTU/hr Natural Gas and Oil-Fired Boiler, Pre 1989 / GP1.13 / MGP01401040811 / General Permit 13
40-45 mmBTU/hr Natural Gas and Oil-Fired Boiler, Post 1989 / GP1.14 / MGP00701040811 / General Permit 14
Dry to Dry perchloroethylene dry cleaning non-residential facility that uses up to 2100 gallons of perchloroethylene per rolling, 12-month period, installed before December 21, 2005. / GP2.1 / MGP01503071016 / General Permit 15
Dry to Dry perchloroethylene dry cleaning non-residential facility that uses up to 2100 gallons of perchloroethylene per rolling, 12-month period and is equipped with a carbon adsorber. / GP2.2 / MGP01603071016 / General Permit 16
Truck Mix Ready Mix Concrete Batch Plant / GP4.1 / MGP01701032405 / General Permit 17
Central Mix Ready Mix Concrete Batch Plant / GP4.2 / MGP01801032405 / General Permit 18
Miscellaneous Metal Parts Painting Line < 3.5 gph, <3.5 lb VOC/gal / GP3.1 / MGP01903020706 / General Permit 19
Miscellaneous Metal Parts Painting Line < 3.5 gph, <3.0 lb VOC/gal / GP3.2 / MGP02003020706 / General Permit 20
Miscellaneous Metal Parts Painting Line < 2.5 gph, <3.0 lb VOC/gal / GP3.3 / MGP02103020706 / General Permit 21
Miscellaneous Metal Parts Painting Line < 2.5 gph, <3.5 lb VOC/gal / GP3.4 / MGP02203020706 / General Permit 22
Miscellaneous Metal Parts Painting Line <3 gpd / GP3.5 / MGP02302020706 / General Permit 23
Miscellaneous Metal Parts Painting Line <8 gpd / GP3.6 / MGP02402020706 / General Permit 24
Miscellaneous Metal Parts Painting Line <10 gpd / GP3.7 / MGP02502020706 / General Permit 25
Unpaved roadways and parking areas, with a maximum of 120,000 vehicle miles traveled per year / GP5.1 / MGP02602020706 / General Permit 26
Unpaved roadways and parking areas, with less than or equal to 300,000 vehicle miles traveled per year / GP5.2 / MGP02701032405 / General Permit 27
Paved roadways and parking areas with less than or equal to 70,000 vehicle miles traveled per year and a silt content less than or equal to 12 g/m2 / GP6.1 / MGP02802020706 / General Permit 28
Paved roadways and parking areas with less than or equal to 70,000 vehicle miles traveled per year and a silt content less than or equal to 70 g/m2 / GP6.2 / MGP02902020706 / General Permit 29
Paved roadways and parking areas with less than or equal to 40,000 vehicle miles traveled per year and a silt content less than or equal to 120 g/m2 / GP6.3 / MGP03002020706 / General Permit 30
Paved roadways and parking areas with less than or equal to 230,000 vehicle miles traveled per year and a silt content less than or equal to 12 g/m2 / GP6.4 / MGP03102020706 / General Permit 31
Storage piles, including load-in, load-out and wind erosion activities for facilities with a maximum production of 3,000,000 tons/year and a maximum storage pile surface area less than or equal to 15 acres / GP7.1 / MGP03201032405 / General Permit 32
Storage piles, including load-in, load-out and wind erosion activities for facilities with a maximum production of 3,000,000 tons/year and a maximum storage pile surface are of 6 acres / GP7.2 / MGP03301032405 / General Permit 33

[1] This ID “GP xyz ab yymody” represents: MGP = model general permit; xyz = unique id for each model general permit; ab = version number of the model general permit; modyyr = two digit month, two digit day and two digit year of issuance of the draft model general permit made for public comment.