South Coast Air Quality Management District, Form 400-E-4b (2014.07)
Mail To:
SCAQMD
P.O. Box 4944
Diamond Bar, CA 91765-0944
Tel: (909) 396-3385
www.aqmd.gov
South Coast Air Quality Management District
Form 400-E-4b
Abrasive Blasting Equipment (Other Than Portable/Open)
This form must be accompanied by a completed Application for a Permit to Construct/Operate - Forms 400-A, Form 400-CEQA, and
Form 400-PS.
Page 1 of 2
Section A - Operator Information
Facility Name (Business Name of Operator That Appears On Permit): Valid AQMD Facility ID (Available On Permit Or Invoice Issued By AQMD):
Address where the equipment will be operated (for equipment which will be moved to various location in AQMD’s jurisdiction, please list the initial location site):
Fixed Location Various Locations
Abrasive Blasting Room
Blasting Room
Manufacturer:
Model No.:
Room Size: Length:
ft Width: ft Height: ft
Number of Air Port:
Dimensions of Air Ports: Length: ft Width: ft
Capacity of Pot
*: lb Equipped with man door? No Yes Exhaust Blower Flow Rate:
Nozzles
Number of Nozzles:
Maximum Inner Diameter: (inches)
Compressor
Plant Air Air Flow Rate:
cfm @ psi
Abrasive Blasting Machine
Blasting Machine
Manufacturer:
Model No.:
Dimensions: Length:
ft Width: ft Height: ft
Wheel impeller Horsepower:
Capacity of Pot
*: lb Exhaust Blower Flow Rate: Material Flow Rate:
Abrasive Blasting Cabinet
Blasting Cabinet
Manufacturer:
Model No.:
Dimensions: Length:
ft Width: ft Height: ft
Control:
Number of Baffled Air Ports: Exhaust Blower Flow Rate:
Nozzles
Number of Nozzles:
Maximum Inner Diameter: inches
Compressor
Plant Air Air Flow Rate:
cfm @ psi
Section B - Equipment Description (Select ONLY one type of equipment)
South Coast Air Quality Management District, Form 400-E-4b (2014.07)
South Coast Air Quality Management District
Form 400-E-4b
Abrasive Blasting Equipment (Other Than Portable/Open)
This form must be accompanied by a completed Application for a Permit to Construct/Operate - Forms 400-A, Form 400-CEQA, and Form 400-PS.
Page 2 of 2
THIS IS A PUBLIC DOCUMENT
Pursuant to the California Public Records Act, your permit application and any supplemental documentation are public records and may be disclosed to a third party. If you wish to
claim certain limited information as exempt from disclosure because it qualifies as a trade secret, as defined in the District’s Guidelines for Implementing the California Public Records
Act, you must make such claim at the time of submittal
to the District.
Check here if you claim that this form or its attachments contain confidential trade secret information.
Section D - Authorization/Signature
I hereby certify that all information contained herein and information submitted with this application is true and correct.
Preparer
Info
Signature: Date:
Title: Company Name:
Name:
Phone #: Fax #:
Email:
Contact
Info
Name:
Title: Company Name:
Phone #: Fax #:
Email:
Blasting Type
Dry Blasting Wet
% of time Hydro-Blasting % of time
Abrasive Used
Material Type: Sand Grit Shot Plastic Media Other
Material Name:
Density:
lb/ft
3
Material Flow Rate (if known): lbs/hour
Items To Be Blasted
Description:
Operating Schedule
Normal:
hours/day days/week weeks/yr
Maximum:
hours/day days/week weeks/yr
Control
Is the room vented to an external air pollution control device? Yes No
If Yes, a separate application (Form 400A and E-1) needs to be filed for the control equipment.
Section C - Process Description
Validate/Print
Reset
South Coast Air Quality Management District
Worksheet For Form 400-E-4b
Abrasive Blasting Equipment (Other Than Portable/Open)
South Coast Air Quality Management District, Form 400-E-4b Engineer Evaluation (2014.07)
Page 1 of 1
Machine Emissions
R
1
,PM = x HP x 1- ( /200) = lb/hr x ( hrs/day)= lb/day
Uncontrolled PM Emissions (R
1
) Max lb/hr Max lb/day
R
2
PM = R
1
,PM x (1-.98) =
Controlled PM Emissions (R
2
) Max lb/hr Max lb/day
Abrasive Flow Rate (FR)
FR
1
=
ID =
ID
1
= FR = FR
1
x (ID/ID
1
) x /FR = x ( in
2
in
2
) x ( lb/ft
3
lb/ft
3
) =
=
=
1
1
Room or Cabinet Emissions
R
1
,PM = EF x FR x 1- ( /200) = lb/hr x ( hrs/day)= lb/day
Uncontrolled PM Emissions (R
1
) Max lb/hr Max lb/day
R
2
PM = R
1
,PM x (1-0.98) =
Controlled PM Emissions (R
2
) Max lb/hr Max lb/day
Exhaust Gas Total Particulate Concentration (PC)
lb PM/hr (Max) x 7,000 grains/lb
PC = =
grains/dscf
ft3/min x 60 min/hr
Room Cross Draft Velocity (Vc)
V
c
= VFR/W x H = CFM / ft x ft = FPM
Air Inlet Port Velocity (Vi)
V
i
= VFR/W x L = CFM / ft
2
= FPM
Cabinet Air Changes Per Minute (CAC)
CAC = VFR/W x L x H = CFM / ft
3
= FPM
Abrasive Blasting Cabinets
Item Required Actual Compliance
a. Air Changes Per Minute 10-20
Yes No
b. Baffled Air Inlet Ports Yes
Yes No
Abrasive Blasting Room Guidelines Review
Item Required Actual Compliance
a. Crossdraft/Downdraft Velocity (FPM)
Silica Type Abrasive 80
Yes No
Non-Silica Type Abrasive 50
Yes No
b. Air Port Opposite Exhaust Duct Yes
Yes No
c. Indraft Velocity (FPM) 500
Yes No
99
NA