### UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 19103-2029

The Honorable Michael 

### L. Krancer, Secretary Pennsylvania Department ofEnvironmental Protection Rachel Carson State Office Building P.O. Box 2063 Harrisburg, Pennsylvania 17105-2063 Dear Secretary Krancer: 

## DEC 062011

By letter and enclosures dated August 4, 2011, the Pennsylvania Department of Environmental Protection (PADEP) submitted to the U.S. Environmental Protection Agency (EPA) an annual ambient air monitoring network plan 

### in accordance with the regulatory requirements of40 CFR Section 58 -Ambient Air Quality Surveillance. Based on our**review~** EPA hereby approves PADEP's Augilst 4, 2011 annual ambient air monitoring network plan on the basis that the plan meets the requirements of40 CFR Part 58.1 0. Additionally, 40 CFR Section 58.11(c) requires any changes to the air**~onitoring** network or design ofthe following air monitoring systems be approved by the EPA Administrator: a) Photochemical Assessment Monitoring Systems (PAMS) b) Particulate Matter Speciation Trends Network (STN) c) The National ·Core Monitoring Network (NCore) EPA determined that PADEP's August 4, 2011 ·annual ambient air monitoring network plan does not require· approval from the EPA Administrator because there were no changes to any ofthe 

### air monitoring systems listed above.

Printedon I00% recycled/recyclablepaper with I00%post-consumer fiber and process chlorine free. Customer ServiceHotline: 1-800-438-2474Ifyou have any questions please do not hesitate to contact me or have your staffcon1act Dr. Jennie Saxe, EPA's Pennsylvania

_ Liaison, at (215) 814-5806. For**que~tions** regarding this approval action, your staffmay contact Ms. Diana Esher, Director, Air Protection Division, at (215) 814-2706.

cc: Ms. Joyce Epps, PADEP Mr. Nick Lazor, PADEP Sincerely,**~hawn** M. Garvin Regional Administr tor )UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 19103-2029

Mr. James E. Thompson, 

### Air Quality Program Manager Allegheny County Health Department 301 39th Street, Building #7 Pittsburgh, Pennsylvania 15213 Dear Mr. Thompson: 

## DEC 062011

By letter and enclosures dated July 1, 2011, the Allegheny County Health Department (ACHD) submitted to the U.S. Environmental Protection Agency (EPA) an annual ambient air monitoring network plan in accordance with the regulatory requirements of40 CFR Part 58

- Ambient Air Quality**Surv~illance.** Based on our review, EPA approves ACHD's July 1, 2011 annual ambient air monitoring network plan onthe basis that the plan meets the requirements of 40 CFR Part 58.10. Additionally, 40 CFR Section 58.11(c) requires any changes to the air monitoring network or desigi). ofthe following air monitoring systems be approved by the EPA Administrator: a) Photochemical

- Assessment Monitoring Systems (PAMS) b) Particulate Matter Speciation Trends Network-(STN) c) The National Core Monitoring Network (NCore) EPA determined
. that ACHD's July 1, 2011 annual ambient air monitoring network plan does not require approval from the EPA Administrator because there were no changes to any ofthe air
·monitoring systems listed above.

Printedon I00% recycled/recyclablepaper with I00%post-consumer fiber tind process chlorine free. Customer ServiceHotline: 1-800-438-2474Ifyou have any questions please do not hesitate to contact me or have your staffcontact Mrs. Jessica Greathouse, EPA's Western Pennsylvania Liaison, at (304) 234-0275. For questions regarding this approval action, your staffmay contact Ms. Diana Esher, Director, Air Protection Division, at (215) 814-2706.

cc: Mr. Darrell Stem, ACHD Sincerely,

Shawn M. Garvin Regional Administr 

# 7

### UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 19103-2029

Dr. Donald F. Schwarz, MD, MPH, Health Commissioner City ofPhiladelphia Department ofPublic Health 1401 JFK Boulevard, Room 600 Philadelphia, Pennsylvania 19102 Dear Dr. Schwarz: 

### DEC 062011

By letter and enclosures dated July 1, 2011, the City ofPhiladelphia Air Management Services (AMS) submitted to the U.S. Environmental Protection Agency (EPA) an annual ambient 

### air monitoring network plan in accordance with the regulatory requirements of40 CFR Part 58- Ambient Air Quality Surveillance. Based on our review, EPA approves AMS's July 1, 2011 annual ambient air monitoring network plan on the basis that the plan meets the requirements of40 CFRPart 58.10. Additionally, 40 CFR Section 58.11(c) requires any changes to the 

### air monitoring network or design ofthe following air monitoring systems be approved by the EPA Administrator: a) Photochemical Assessment Monitoring Systems (PAMS) b) Particulate Matter Speciation Trends Network (STN) c) The National Core Monitoring Network (NCore) EPA determined that AMS's July 1, 2011 annual ambient 

### air monitoring network plan does not require approval from the EPA Administrator because there were no changes to any ofthe 

### air monitoring systems listed above.

Printed on I00% recycled/recyclablepaper with I00%post-consumer fiber and process chlorine free. Customer Service Hotline: 1-800-438-2474 

# 0Ifyou have any questions please do not hesitate to contact me or have your staffcontact Dr. Jennie Saxe, EPA's Pennsylvania Liaison, at (215) 814-5806. For questions regarding this approval action, your staffmay contact Ms. Diana Esher, Director, Air Protection Division, at**(21-~)** 814-2706.

cc:**Mr ~**  Thomas Huynh, AMS Mr. Henry Kim, AMS Sincerely,



### __.,....-c_.Shawn M. 

### Garvin Regional Administr