Mitigation
Phone: 610 683 0820     E-mail: info@goldstarradon.com
In a sub slab depressurization system the mitigator starts by drilling a hole through the floor slab.
This hole is usually about 5 inches in diameter. Once the hole is drilled the mitigator will remove typically 5 gallons of dirt under and around the hole.
Most mitigators attempt to tie into any sort of perimeter drain pipe that may exist in the home. This allows for good suction across the entire basement, and by doing so typically results in only one suction hole or penetration through the floor. If there is no perimeter pipe to tie into some systems may require more than one suction hole.
Sub-slab depressurization system
The most common method of mitigating a home is using a system called a sub-slab depressurization system. This is typically done by drilling a hole through the floor of the basement where a pipe is inserted. From there the pipe can either run to the outside or to the attic where a fan is attached. From the fan, the pipe continues above the roof line venting the radon gas into the air where it dissipates into acceptable levels. The basic concept behind a sub-slab depressurization system is to create a negative pressure under the floor slab of the basement.
Many homes contain sump pumps or sump pits. These are very large sources of radon due to a large opening in the floor of the basement. For this reason it is crucial for a mitigator to seal the pit. For an upgrade we can install a clear lid to allow the home owner a view of the pit to see any potential problems.

If there is no floor drain in the basement, the mitigator is required to add a drain into the lid of the sump. Many mitigators do not install these drains. These drains are designed to allow water to drain but not allow air to leave.

An air tight access port is also installed to allow for future maintenance without breaking the air tight seal on the perimeter.
The piping is then routed through the basement where it typically exits through an exterior wall.

On this routing it is very common to see a pressure gage called a manometer. This tube has a fluid inside which reads the amount of air pressure inside the pipe. The mitigator will mark the height at which the fluid was at the completion of the mitigation system. If the water columns ever read the same height this indicates a problem with the system (most typically a fan failure) and the homeowner should call for assistance.
Once the piping is outside a fan is then attached. There is no maintenance required on the fan (or the entire system). The fan should be running 24/7 and if ever stopped the homeowner should first check the electrical switch and the breaker in the electric panel. If both are on, the homeowner should call for assistance.
The piping then continues up the side of the house where it vents above the roof line. The piping only has to clear the lowest roof. However, the exhaust point must be 2 feet higher than any opening (window,door,vent) that is within 10 feet.
The fan may also be installed in the attic. However, alot of times it is difficult to run the piping to the attic so most of the systems installed have the fans located outside.
The biggest enemy of a radon system is water. Water causes the fans to burn out early. There is alot more condensation produced inside the pipe than rain water. In order to prevent water from getting to our fans we install a 'Y' fitting to our outside fans. This allows any water in the pipe to drain out the bottom, while allowing the air to flow through the 'Y' and up the stack.
FANS
Photo Gallery(click to view a larger image)
Sub-Membrane Depressurization System This is most typically used where there is a dirt floor. Usually in a crawl space, but sometimes the basement of a home as well. A membrane is placed on top of the dirt floor to mimic a regular concrete floor. The membrane is sealed to the walls creating an airtight space underneath. A pipe is then installed into the membrane just like in a standard Sub-Slab system. The membranes come in different strengths and is chosen based on how the homeowner uses the area.
Along with sealing floor cracks and the sump pit, some homes contain perimeter or canal drains. This is where there is about an inch gap between the concrete floor slab and the foundation wall. These drains often lead to a sump pit. In many cases this gap needs to be sealed. First a piece of backer rod (foam) is inserted into the gap. Next a layer of flowable caulk is poured over the top. This creates an airtight seal which prevents the radon from coming up as well as holding the suction from the mitigation system down. If this gap is not sealed many times the suction from the radon system will pull air from the basement as opposed to under the slab where it is desired.
Interior Piping
Photo Gallery(click to view a larger image)
Sub-Membrane/Sump Lids
Photo Gallery(click to view a larger image)
Extra
Photo Gallery(click to view a larger image)
Mitigation Jobs
Conrad Road
Mary Ann Drive
Willow Drive
28th Street SW
Beechwood Lane
Bridle Path Road
Kaitlyn Road
S Albert Street
S Albert Street
Stonecroft Lane
Treeline Drive
North Broad Street
S Leh Street
Windy Hill Road
Fairway Lane
Lisa Lane
Milkweed Drive
Jervin Drive
Stoney Brook Ct
Bryant Court
Bow Drive
Market Street
Summer Hill Road
Wynonah Dr
Green Hill Road
Community Drive
Eagle View Drive
Berger School Road
Bricker Road
Clubhouse Drive
Davis Bridge Road
Dogwood Drive
E 4th Street
Golf Circle
Homestead Ave
Jen Air Drive
Meadow lane
North Main Street
Oak Place
Pleasant Drive
Scull Hill Loop Road
Suburban Road
Summer Mountain Road
Walnut Drive West
Walnut Drive West
Walnut Drive West
Craig Avenue
Weil Street
Chauser Lane
Chauser Lane
Foxview Drive
Hanoverville Road
Major Street
Powder Mill Circle
Quail Creek Road
Stafore Drive
Maple Street
Maple Street
Monocacy Street
W Broad Street
Coleman Street
Cedar Hill Road
Cedar Lane
Friends Road
Haslett Lane
Longview Drive
Madison Street
Mansion Court E
Pineland Road
S. Mill Street
Schoffers Road
Schuylkill Road
Sherman Road
Thayer Road
Whispering Pines Lane
White Bear Road
Acer Drive
Adele Avenue
Allentown Pike
Cornerstone Drive
Damascus Drive
E Wessner Road
East Wesner Road
Faith Drive
Fleming Street
Golden Drive
Golden Drive
Golden Drive
Harry Drive
Henry Drive
Hope Drive
Indendence Court
Judy Drive
Lidia Lane
Longleaf Drive
Longleaf Drive
Longleaf Drive
Longleaf Drive
Marden Drive
Millennium Drive
Monaco Lane
Penrose Avenue
Penrose Avenue
Penrose Avenue
Ponderosa Drive
Ponderosa Drive
Ponderosa Drive
Ponderosa Drive
Regent Street
Regent Street
Sandhurst Blvd
Stirling Street
Stirling Street
Colebrookdale Road
Edgewood Road
Goat Hill Road
Schaeffer Street
Vale Drive
Walker Drive
Kingston Lane
Monarch Lane
Orange Tip Way
Pathfinder Road
Sara Drive
Sara Drive
Sleepy Hollow Lane
Sleepy Hollow Lane
Swallow Tail Lane
Windy Bush Lane
S 14th Street
Aberdine Street
Highland Way
Main Street
Vera Cruz Road
Waterford Drive
Quincy Street
Pittsburg Valley Road
Chestnut Hill Road
Eichler Circle
High Meadow Road
Liberty Creek Pkwy
North 8th Street
Patrick Circle
Robin Lane
S Main Street
Saucon Ridge Road
Weber Circle
Egypt Road
Stony Run Road
Jason Ave
Rebecca Drive
Antietam Drive
Arrowhead Drive
Buckhead Ln
Horseshoe Drive
Ivy Lane
Maple Terrace
Meadowside Drive
Old Airport Road
Overlook Pointe
Overlook Pointe
Overlook Pointe
Penns Lane
Rosecliff Drive
School House Court
Slate Run
Eldridge Avenue
Morgan Hill Road
Parkside Drive
Alan Circle
E Main St
N 5th Street
Oak Hill Road
Meadow Drive
Silver Maple Circle
Augusta Lane
Barth Lane
Brookfield Drive
Brookfield Drive
Conrad Road
Doe Ridge Drive
E Locust St
E Race Street
E. Main Street
Franklin Street
Grandview Drive
Hickory Drive
Highland Drive
Lake Road
Maidencreek Road
Mine Road
Moselem Spring Road
Oley Road
Pleasant Hill Road
Pricetown Road
Ridge Crest Drive
Schweitz Road
Spook Lane
Springfield Drive
Springfield Drive
Steep Lane
Sunnyfield Court
West Jackson Street
West Vine Street
Woodhill Drive
Broadway Street
Ramblewood Lane
South Street
Berne Road
Catherine Street
Clayton Avenue
Clayton Avenue
Franklin Avenue
Haas Road
Hex Highway
Hillside Court
Island Street
Moselum Springs Road
Mountain Road
Mountain Road
N 5th Street
North 4th Street
North 5th Avenue
North Crescent Ave
Oval Drive
Oval Drive
Pine Street
Scenic Drive
South 6th Street
Strausser Road
Birdell Road
Honeysuckle Drive
Old Philadelphia Pike
Turkey Road
Commonwealth Blvd
Christman Road
Clover Valley Road
College Garden Drive
Crystal Cave Road
Crystal Cave Road
Crystal Cave Road
Debra Drive
Fairview Drive
Gun Club Road
Highland Avenue
Highland Avenue
Hottenstein Road
Hummels Hill Road
Hummels Hill Road
Ivy League Drive
Ivy League Drive
Kohler Road
Krumsville Road
Kutztown Road
Long Lane Road
Luella Drive
Miller Road
Seem Drive
Seem Drive
Seem Drive
Seem Drive
South Whiteoak Street
Stump Road
Sunnny Ridge Court
Timothy Court
W Walnut Street
Wentz Street
Foxcroft Drive
Parkside Lane
Lampeter Road
Spring Haven Drive
Bayberry Drive
Easland Drive
Old Delp Road
Royal Road
Shade Tree Drive
Shade Tree Drive
Shade Tree Drive
Shade Tree Drive
Shade Tree Drive
Shade Tree Drive
Holtry Street
Blessing Lane
Danor Drive
Garfield Avenue
Gray Street
Margaret Street
Mayberry Avenue
Nantucket Drive
Parkway Drive
Ridgeway Street
Salina Street
S Broad Street
Carlton Drive
W. Reeser Street
Almark Way
Butter Lane
Cathy Drive
Center Road
Christina Drive
Crest Road
Earl Road
Fairview Drive
Fairview Drive
Grange Road
Hafer Drive
High Meadown Lane
Mahlon Drive
McCoy Lane
Robby Drive
Seidels Run
W Pine Street
W. Reeser Street
West Leesport Road
West Pine Street
Ziegler Road
Hausman Road
Mountain Road
Old 22
Glenbrook Road
North Oak Street
South Main Street
Aster Road
Macungie Mountain Road
Orchard Road
Seisholtzville Road
Jefferson Street
Kurt Drive
Stony Hill Lane
Tower Road
Clinton Drive
Front Street
Gebhart School Road
Grove Avenue
Katie Lane
Kenny Drive
Kurtz Mill Road
Main Street
Northridge Dr E
Scenic Drive
Sycamore Road
Woodland Ave
Bellemans Church Road
Bellmans Church Road
Boar Road
Centerport Road
Eagleview Drive
Eagleview Drive
Hawkview Court
Hook Road
Irish Run Road
North End Road
Penny Road
Rake Road
Tower Road
Borad Ax Pass
Horseshoer Drive
Lenape Drive
Merwood Drive
Overlook Road
Overlook Road
Overlook Road
Overlook Road
Settlers Trail
Amlisa Road
Bushkill Terrace
Eagles Landing Drive
Lahr Road
Virginia Drive
Oakridge Drive
W Penn Pike
Golden Key Road
Lentz Road
Long Court
Treeline Drive
Old Carriage Road
Covered Bridge Road
Rose Virginia Road
Sommers Road
Applewood Dr
Emerald Drive
Chestnut Ridge Drive
Coal Mountain Road
Kimmels Road
Ridgeview Drive
Stage Coach Road West
Rivercrest Drive
Rivercrest Drive
Mason Drive
Doris Drive
Pottstown Pike
Donna Circle
Maple Street
Milford Square Pike
Allison Road
McKnight Street
North Tulpehocken Road
S Tulpehocken Road
Stephen Road
Fernwood Street
North 14th Street
Arlington Street
Boyers Road
Centre Street
Dallas Road
Danor Drive
East Kent Road
Eisenbrown Road
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Fredrick Blvd
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Hain Avenue
Helm Lane
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Leanne Street
Leiszs Bridge Road
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Maple Avenue
N Calais Drive
North Calais Drive
Oak Street
Seminary Ave
Showers Lane
Solvay Drive
Stoudts Ferry Bridge Road
Stoudts Ferry Bridge Road
Tuckerton Road
Turning Leaf Way
Verdun Drive
Wentzel Avenue
Westview Drive
Westview Drive
Whitner Road
Wilfox Aveneue
Willow Grove Ave
Beechwood Drive
Church Lane Road
Devon Drive
E. 36th Street
Farming Ridge Blvd
Friedensburg Road
Golfview Lane
Gosling Court
Gunpowder Lane
Hartman Road
Heathrow Court
Hill Avenue
Holly Drive
Lacrosse Avenue
Levan Street
Limestone Drive
Linkside Court
Lorane Road
Lorane Road
Lorane Road
Lynn Avenue
Lynn Avenue
Meadowlark Road
Mountain Court
N 26th Street
Nancy Circle
Nancy Cirlce
Oak Parkway
Oley Turnpike Road
Partridge Drive
Pennsylvania Ave
Perkiomen Ave
Saint Lawrence Ave
Sawgrass Drive
Shelbourne Road
Stonehenge Drive
Stoner Avenue
Sutton Circle
Sycamore Drive
Thymebrook Drive
W 38th Street
W. 35th Street
W. 36th Street
W. 39th Street
Pinehurst Court
Sycamore Drive
Golf Road
Rehresburg Road
Austin Drive
Brownsville Road
E Meadow Road
Lake Road
Landis Ave
Mountain Avenue
N Church Street
N Wayne St
North Road
Patterson Drive
S Church St
South Wayne Street
Steeple Drive
Steeple Drive
Steeple Drive
Stricker Road
Texter Mountain Road
Texter Mountain Road
Yeager Road
Brook Street
Elmhurst Drive
Oak Ledge Avenue
Schukill Mountain Road
Schwartz Valley Road
Cressman Road
2nd Street
Brooke Blvd
Charlemont Court
Crestview Avenue
Fallowfield Circle
Fawn Drive
Fawn Drive
Fayette Avenue
Fayette Avenue
Haig Blvd
Harry Avenue
Holland Street
Joesephs Way
Kerrick Road
Lacrosse Avenue
Lost Lane
Maple Avenue
March Street
Old Fritztown Road
Ravine Drive
Rim View Lane
Rosemont Ave
South Wyomissing Ave
South Wyomissing Ave
State Street
Whitetail Lane
Beechwood Drive
Clarence Avenue
Franklin Street
Ohlinger Road
Troxel Road
Troxel Road
Hill Terrace Drive
Acorn Drive
Acorn Drive
Acorn Drive
Augusta Drive East
Augusta Drive East
Bainbridge Circle
Beacon Drive
Boardwalk Court
Cacoosing Drive
Caramist Circle
Colorado Avenue
Columbia Avenue
Connecticut Avenue
Connecticut Avenue
Connecticut Avenue
Crestview Drive
Dallas Lane
Elizabeth Drive
Elwyn Avenue
Fairwood Avenue
Fairwood Drive
Goddard Ave
Great Bend Way
Huyett Drive
Jacob Drive
Jacob Drive
Keats Drive
Keats Drive
Kickapoo Drive
Longview Drive
Marcor Drive
Maria Avenue
Maywood Avenue
Mediterranean Ave
Mellowbrook Drive
Michigan Drive
Michigan Drive
Michigan Drive
N Church Road
N. Sandy Lane
Nash Road
New York Avenue
New York Avenue
North Carolina Ave
North Church Road
North Sandy Lane
Old Fritztown Road
Ontario Drive
Park Avenue
Park Avenue
Park Place Drive
Persimmons Drive
Primrose Lane
Rebers Bridge Road
Reedy Road
Regency Drive
Regency Drive
Ridgecrest Drive
Roxberry Drive
Running Creek Drive
Sage Drive
Shelly Drive
Spohn Road
Spring Ridge Road
Stevens Avenue
Sylvan Place
Tennyson Avenue
Thomas Place
Thomas Place
Valley Court
Viginia Ave
Viginia Ave
Virginia Avenue
Winding Brook Drive
Wyoming Drive South
Hill Terrace Drive
Eagle Circle
Old Post Road
S Walnut St
Old Route 22
Washington Street
1029 Jean Avenue
5th Avenue
Hillview Road
Kutztown Road
Mannerchor Road
Wentzel Avenue
E Barkley St
East High Street
Hamsher Avenue
Hoch Avenue
Orchid Road
Bridle Way
Daniel Street
Dogwood Drive
E Wilson Ave
E. Charles Street
Edison Street
Heffner Road
Huntzinger Road
Mountain Blvd
North Church Road
North Church Road
North Church Road
Omicron Place
Penn Avenue
Reber Street
Sabrina Street
Sabrina Street
Shire Lane
Slater Drive
Sweetwater Lane
Sweetwater Lane
Texter Mountain Road
Walters Avenue
Wernersville Blvd
Wernersville Blvd
Wernersville Road
Wilson Court
Amherst Ave
Amherst Ave
Belmont Ave
Bressler Drive
Cleveland Avenue
Cleveland Avenue
Cleveland Avenue
Dalin Drive
Girard Avenue
Glenfield Court
Grandview Blvd
Grandview Blvd
Harvard Blvd
Harvard Blvd
Intervilla Avenue
Jefferson Blvd
Keppel Avenue
Laurel Road
Logan Avenue
Noble Street
Norman Street
Norman Street
Penn Avenue
Reading Blvd
Reading Blvd
Sledge Avenue
Whitfiled Blvd
Linden Lane
Linden Lane
Pharaoh Street
Phillip Street
Canal Road
Sweet Birch Lane
W Franklin Street
West High Street
Witman Road
Apple Drive
Bluebird Drive
Broadcasting Road
Burkey Court
Burkey Drive
Cedarwood Road
Charleston Lane
Charleston Lane
Cleveland Avenue
Cleveland Avenue
Cleveland Avenue
Colleen Court
Coventry Lane
Cypress Lane
Delaware Avenue
Delaware Avenue
Delaware Avenue
E. Thistle Drive
Emerald Lane
Ethan Drive
Farr Place
Farr Road
Girard Avenue
Girard Avenue
Hawthorne Court
Hawthorne Court North
Lehigh Avenue
Meadow Glen
Meadow Lane
Old Mill Lane
Plymouth Court
Reading Blvd
Reading Blvd
Rosemont Ave
Rosemont Court
Rosemont Court
Sanibel Lane
State Hill Road
Terrace Avenue
Tewkesbury Drive
W Thistle Drive
W Thistle Drive
Wellington Blvd
Westbury Drive
Westwood Road
Wingert Road
Weaver Road

















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Morgantown PA 19543
Morgantown PA 19543
Morgantown PA 19543
Morgantown PA 19543
Morgantown PA 19543
Morgantown PA 19543
Morgantown PA 19543
Morgantown PA 19543
Nazareth PA 18064
Nazareth PA 18064
Nazareth PA 18064
Nazareth PA 18064
Nazareth PA 18064
New Holland PA 17557
New Ringgold PA 17960
New Tipoli PA 18066
New Tipoli PA 18066
New Tipoli PA 18066
Newmanstown PA 17073
Northampton PA 18067
Oley PA 19547
Oley PA 19547
Oley PA 19547
Orefield PA 18069
Orefield PA 18069
Orwigsburg PA 17961
Orwigsburg PA 17961
Orwigsburg PA 17961
Orwigsburg PA 17961
Palmerton PA 18071
Phoenixville PA 19460
Phoenixville PA 19460
Pine Grove PA 17963
Pottstown PA 19465
Pottstown PA 19465
Pottsville PA 17901
Pottsville PA 17901
Quakertown PA 18951
Reading PA 19601
Reading PA 19601
Reading PA 19601
Reading PA 19601
Reading PA 19601
Reading PA 19604
Reading PA 19604
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19605
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading Pa 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19606
Reading PA 19607
Reading PA 19611
Reinholds PA 17569
Richland PA 17087
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Robesonia PA 19551
Royersford PA 19468
Schnecksville PA 18078
Schnecksville PA 18078
Schulkill Haven PA 17972
Schulkill Haven PA 17972
Schulkill Haven PA 17972
Schwenksville PA 19473
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shillington PA 19607
Shoemakersville PA 19555
Shoemakersville PA 19555
Shoemakersville PA 19555
Shoemakersville PA 19555
Shoemakersville PA 19555
Shoemakersville PA 19555
Sinking Spring PA 19606
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinking Spring PA 19608
Sinkinkg Spring PA 19608
Slatington PA 18080
Slatington PA 18080
Slatington PA 18080
Strausstown PA 19559
Strausstown PA 19559
Temple PA 19560
Temple PA 19560
Temple PA 19560
Temple PA 19560
Temple PA 19560
Temple PA 19560
Topton PA 19562
Topton PA 19562
Topton PA 19562
Topton PA 19562
Warminster PA 18974
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
Wernersville PA 19565
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Lawn PA 19609
West Reading PA 19611
West Reading PA 19611
Whitehall PA 18052
Whitehall PA 18052
Womelsdorf PA 19567
Womelsdorf PA 19567
Womelsdorf PA 19567
Womelsdorf PA 19567
Womelsdorf PA 19567
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Wyomissing PA 19610
Zionsville PA 18092















1.3 pCi/L
1.3 pCi/L
1.5 pCi/L
3.2 pCi/L
1.5 pCi/L
0.5 pCi/L
0.7 pCi/L
0.9 pCi/L
2.3 pCi/L
1.1 pCi/L
1.1 pCi/L
1.0 pCi/L
1.5 pCi/L
3.4 pCi/L
1.1 pCi/L
2.1 pCi/L
0.5 pCi/L
0.5 pCi/L
0.9 pCi/L
2.6 pCi/L
3.1 pCi/L
0.5 pCi/L
1.3 pCi/L
3.9 pCi/L
2.1 pCi/L
1.5 pCi/L
3.1 pCi/L
0.6 pCi/L
1.3 pCi/L
1.3 pCi/L
0.7 pCi/L
1.3 pCi/L
0.7 pCi/L
3.3 pCi/L
2.2 pCi/L
0.5 pCi/L
0.6 pCi/L
1.1 pCi/L
2.5 pCi/L
3.1 pCi/L
0.7 pCi/L
2.5 pCi/L
2.5 pCi/L
0.5 pCi/L
0.7 pCi/L
1.0 pCi/L
2.1 pCi/L
3.2 pCi/L
3.9 pCi/L
1.6 pCi/L
0.7 pCi/L
3.4 pCi/L
1.0 pCi/L
1.2 pCi/L
2.6 pCi/L
0.7 pCi/L
2.1 pCi/L
2.0 pCi/L
2.7 pCi/L
2.7 pCi/L
0.5 pCi/L
1.5 pCi/L
0.9 pCi/L
0.7 pCi/L
1.1 pCi/L
2.3 pCi/L
1.1 pCi/L
2.7 pCi/L
3.5 pCi/L
2.0 pCi/L
0.5 pCi/L
0.8 pCi/L
0.7 pCi/L
2.2 pCi/L
1.0 pCi/L
0.7 pCi/L
1.3 pCi/L
3.7 pCi/L
1.5 pCi/L
0.5 pCi/L
0.7 pCi/L
0.8 pCi/L
1.3 pCi/L
3.8 pCi/L
0.5 pCi/L
1.0 pCi/L
1.0 pCi/L
1.0 pCi/L
1.0 pCi/L
1.1 pCi/L
2.8 pCi/L
1.7 pCi/L
1.0 pCi/L
0.5 pCi/L
0.8 pCi/L
0.8 pCi/L
1.5 pCi/L
1.6 pCi/L
3.4 pCi/L
0.5 pCi/L
1.5 pCi/L
0.7 pCi/L
0.9 pCi/L
0.6 pCi/L
0.5 pCi/L
0.5 pCi/L
0.7 pCi/L
2.4 pCi/L
0.9 pCi/L
0.7 pCi/L
1.2 pCi/L
0.6 pCi/L
0.9 pCi/L
2.2 pCi/L
2.7 pCi/L
2.1 pCi/L
2.7 pCi/L
1.9 pCi/L
1.7 pCi/L
1.3 pCi/L
1.0 pCi/L
1.0 pCi/L
1.0 pCi/L
1.5 pCi/L
2.2 pCi/L
1.4 pCi/L
3.4 pCi/L
0.7 pCi/L
1.1 pCi/L
1.0 pCi/L
3.2 pCi/L
0.7 pCi/L
1.3 pCi/L
2.2 pCi/L
0.5 pCi/L
0.9 pCi/L
3.4 pCi/L
1.2 pCi/L
3.3 pCi/L
2.5 pCi/L
2.1 pCi/L
3.6 pCi/L
0.5 pCi/L
1.2 pCi/L
2.8 pCi/L
1.3 pCi/L
3.8 pCi/L
1.9 pCi/L
0.7 pCi/L
0.8 pCi/L
1.3 pCi/L
1.3 pCi/L
1.3 pCi/L
0.8 pCi/L
1.0 pCi/L
3.6 pCi/L
1.6 pCi/L
1.2 pCi/L
1.8 pCi/L
0.5 pCi/L
0.6 pCi/L
2.2 pCi/L
0.5 pCi/L
1.0 pCi/L
0.8 pCi/L
0.6 pCi/L
0.5 pCi/L
1.5 pCi/L
0.6 pCi/L
3.5 pCi/L
1.5 pCi/L
1.5 pCi/L
0.6 pCi/L
0.7 pCi/L
0.5 pCi/L
1.8 pCi/L
1.9 pCi/L
1.6 pCi/L
1.4 pCi/L
0.9 pCi/L
0.8 pCi/L
2.6 pCi/L
1.8 pCi/L
2.4 pCi/L
2.0 pCi/L
1.1 pCi/L
0.6 pCi/L
0.8 pCi/L
0.7 pCi/L
2.5 pCi/L
3.5 pCi/L
1.6 pCi/L
3.5 pCi/L
1.7 pCi/L
1.8 pCi/L
0.9 pCi/L
0.7 pCi/L
3.7 pCi/L
1.0 pCi/L
1.7 pCi/L
0.7 pCi/L
1.6 pCi/L
0.5 pCi/L
2.0 pCi/L
3.6 pCi/L
1.0 pCi/L
0.7 pCi/L
3.0 pCi/L
0.7 pCi/L
2.4 pCi/L
3.2 pCi/L
1.0 pCi/L
1.3 pCi/L
0.5 pCi/L
1.9 pCi/L
0.5 pCi/L
0.7 pCi/L
1.9 pCi/L
0.7 pCi/L
3.6 pCi/L
1.6 pCi/L
0.8 pCi/L
1.2 pCi/L
1.2 pCi/L
1.6 pCi/L
1.2 pCi/L
1.1 pCi/L
1.2 pCi/L
1.5 pCi/L
0.7 pCi/L
0.7 pCi/L
0.7 pCi/L
0.7 pCi/L
0.7 pCi/L
1.5 pCi/L
1.5 pCi/L
1.4 pCi/L
1.0 pCi/L
1.1 pCi/L
1.1 pCi/L
1.8 pCi/L
0.6 pCi/L
1.6 pCi/L
1.0 pCi/L
1.0 pCi/L
0.7 pCi/L
1.8 pCi/L
1.7 pCi/L
0.8 pCi/L
0.9 pCi/L
0.5 pCi/L
0.8 pCi/L
3.8 pCi/L
2.1 pCi/L
0.7 pCi/L
0.7 pCi/L
1.0 pCi/L
1.0 pCi/L
0.7 pCi/L
1.6 pCi/L
1.6 pCi/L
1.1 pCi/L
0.8 pCi/L
1.6 pCi/L
0.5 pCi/L
2.9 pCi/L
2.9 pCi/L
3.2 pCi/L
0.7 pCi/L
3.4 pCi/L
0.7 pCi/L
2.7 pCi/L
1.2 pCi/L
2.9 pCi/L
1.8 pCi/L
3.8 pCi/L
0.6 pCi/L
0.6 pCi/L
2.7 pCi/L
0.6 pCi/L
1.0 pCi/L
1.8 pCi/L
0.6 pCi/L
1.3 pCi/L
0.7 pCi/L
2.1 pCi/L
1.8 pCi/L
0.8 pCi/L
1.0 pCi/L
0.5 pCi/L
1.6 pCi/L
1.0 pCi/L
1.1 pCi/L
0.5 pCi/L
0.7 pCi/L
0.7 pCi/L
1.0 pCi/L
1.1 pCi/L
1.2 pCi/L
1.1 pCi/L
1.0 pCi/L
1.3 pCi/L
2.6 pCi/L
3.3 pCi/L
0.7 pCi/L
0.7 pCi/L
2.4 pCi/L
0.5 pCi/L
0.6 pCi/L
1.1 pCi/L
0.8 pCi/L
0.7 pCi/L
0.5 pCi/L
0.5 pCi/L
1.0 pCi/L
0.7 pCi/L
1.0 pCi/L
1.1 pCi/L
3.6 pCi/L
0.6 pCi/L
0.5 pCi/L
2.0 pCi/L
2.8 pCi/L
2.9 pCi/L
1.0 pCi/L
1.0 pCi/L
3.7 pCi/L
2.5 pCi/L
0.5 pCi/L
1.2 pCi/L
1.0 pCi/L
1.0 pCi/L
0.8 pCi/L
2.9 pCi/L
0.7 pCi/L
1.0 pCi/L
0.6 pCi/L
3.2 pCi/L
0.9 pCi/L
2.6 pCi/L
0.6 pCi/L
1.0 pCi/L
1.0 pCi/L
0.8 pCi/L
2.6 pCi/L
1.3 pCi/L
3.9 pCi/L
0.9 pCi/L
1.2 pCi/L
0.7 pCi/L
0.5 pCi/L
0.7 pCi/L
2.6 pCi/L
3.2 pCi/L
1.1 pCi/L
2.1 pCi/L
0.8 pCi/L
0.9 pCi/L
0.8 pCi/L
1.3 pCi/L
0.8 pCi/L
0.6 pCi/L
0.6 pCi/L
1.5 pCi/L
1.1 pCi/L
3.5 pCi/L
1.0 pCi/L
0.7 pCi/L
0.7 pCi/L
3.2 pCi/L
3.1 pCi/L
1.0 pCi/L
3.5 pCi/L
2.0 pCi/L
0.6 pCi/L
3.7 pCi/L
1.2 pCi/L
2.0 pCi/L
1.5 pCi/L
1.0 pCi/L
1.3 pCi/L
2.2 pCi/L
0.5 pCi/L
1.0 pCi/L
2.8 pCi/L
2.7 pCi/L
3.2 pCi/L
1.0 pCi/L
1.4 pCi/L
1.0 pCi/L
3.2 pCi/L
2.9 pCi/L
1.0 pCi/L
1.1 pCi/L
1.3 pCi/L
1.9 pCi/L
3.4 pCi/L
3.6 pCi/L
0.7 pCi/L
3.5 pCi/L
2.2 pCi/L
1.0 pCi/L
1.3 pCi/L
1.0 pCi/L
0.9 pCi/L
0.8 pCi/L
2.6 pCi/L
1.8 pCi/L
1.6 pCi/L
1.1 pCi/L
0.5 pCi/L
0.5 pCi/L
0.5 pCi/L
1.5 pCi/L
1.8 pCi/L
1.5 pCi/L
3.5 pCi/L
3.8 pCi/L
1.0 pCi/L
1.0 pCi/L
2.6 pCi/L
3.6 pCi/L
1.8 pCi/L
0.8 pCi/L
3.3 pCi/L
2.6 pCi/L
2.0 pCi/L
0.8 pCi/L
1.0 pCi/L
1.1 pCi/L
2.2 pCi/L
2.4 pCi/L
1.7 pCi/L
3.6 pCi/L
2.2 pCi/L
3.8 pCi/L
2.5 pCi/L
1.5 pCi/L
2.4 pCi/L
0.9 pCi/L
1.3 pCi/L
1.1 pCi/L
1.5 pCi/L
0.5 pCi/L
1.1 pCi/L
0.6 pCi/L
2.2 pCi/L
1.6 pCi/L
2.2 pCi/L
2.3 pCi/L
1.2 pCi/L
2.5 pCi/L
1.0 pCi/L
2.3 pCi/L
0.9 pCi/L
3.9 pCi/L
0.8 pCi/L
2.1 pCi/L
3.4 pCi/L
2.1 pCi/L
0.7 pCi/L
0.5 pCi/L
0.6 pCi/L
2.2 pCi/L
1.3 pCi/L
1.6 pCi/L
1.8 pCi/L
3.6 pCi/L
0.5 pCi/L
1.1 pCi/L
0.8 pCi/L
1.2 pCi/L
0.8 pCi/L
3.7 pCi/L
0.7 pCi/L
2.1 pCi/L
0.9 pCi/L
3.5 pCi/L
1.0 pCi/L
1.0 pCi/L
1.0 pCi/L
1.2 pCi/L
1.1 pCi/L
0.5 pCi/L
2.9 pCi/L
3.5 pCi/L
0.5 pCi/L
1.0 pCi/L
0.7 pCi/L
0.6 pCi/L
0.8 pCi/L
0.7 pCi/L
3.1 pCi/L
2.0 pCi/L
0.5 pCi/L
1.8 pCi/L
1.7 pCi/L
1.2 pCi/L
0.7 pCi/L
0.7 pCi/L
0.7 pCi/L
0.9 pCi/L
1.0 pCi/L
0.9 pCi/L
1.2 pCi/L
1.1 pCi/L
1.3 pCi/L
0.7 pCi/L
1.4 pCi/L
1.7 pCi/L
1.0 pCi/L
1.5 pCi/L
1.0 pCi/L
1.0 pCi/L
1.2 pCi/L
2.2 pCi/L
2.5 pCi/L
2.2 pCi/L
0.6 pCi/L
1.0 pCi/L
0.7 pCi/L
1.7 pCi/L
1.3 pCi/L
1.8 pCi/L
1.7 pCi/L
0.7 pCi/L
0.7 pCi/L
0.5 pCi/L
1.8 pCi/L
0.7 pCi/L
2.5 pCi/L
1.3 pCi/L
2.0 pCi/L
1.2 pCi/L
1.6 pCi/L
0.6 pCi/L
1.6 pCi/L
2.3 pCi/L
1.1 pCi/L
1.6 pCi/L
1.8 pCi/L
0.7 pCi/L
1.3 pCi/L
1.1 pCi/L
0.9 pCi/L
0.7 pCi/L
0.7 pCi/L
0.5 pCi/L
1.6 pCi/L
1.5 pCi/L
0.5 pCi/L
1.0 pCi/L
3.3 pCi/L
1.9 pCi/L
1.8 pCi/L
1.6 pCi/L
0.7 pCi/L
0.5 pCi/L
0.6 pCi/L
1.9 pCi/L
2.9 pCi/L
1.7 pCi/L
1.5 pCi/L
1.3 pCi/L
1.7 pCi/L
0.9 pCi/L
1.0 pCi/L
0.8 pCi/L
1.0 pCi/L
0.5 pCi/L
0.9 pCi/L
3.8 pCi/L
1.0 pCi/L
1.1 pCi/L
0.6 pCi/L
1.0 pCi/L
1.0 pCi/L
0.8 pCi/L
1.3 pCi/L
0.7 pCi/L
0.7 pCi/L
0.7 pCi/L
1.6 pCi/L
3.7 pCi/L
1.8 pCi/L
0.9 pCi/L
0.5 pCi/L
3.9 pCi/L
0.9 pCi/L
1.0 pCi/L
2.2 pCi/L
1.3 pCi/L
2.3 pCi/L
0.9 pCi/L
3.7 pCi/L
2.2 pCi/L
0.6 pCi/L
0.5 pCi/L
3.3 pCi/L
1.4 pCi/L
0.6 pCi/L
0.5 pCi/L
0.5 pCi/L
0.8 pCi/L
1.5 pCi/L
0.7 pCi/L
1.8 pCi/L
1.2 pCi/L
0.8 pCi/L
1.1 pCi/L
1.0 pCi/L
1.0 pCi/L
3.5 pCi/L
1.9 pCi/L
0.9 pCi/L
0.7 pCi/L
0.5 pCi/L
1.7 pCi/L
1.1 pCi/L
2.1 pCi/L
1.3 pCi/L
0.5 pCi/L
0.5 pCi/L
0.7 pCi/L
0.8 pCi/L
3.7 pCi/L
0.7 pCi/L
0.7 pCi/L
0.7 pCi/L
1.9 pCi/L
1.8 pCi/L
0.6 pCi/L
0.5 pCi/L
0.5 pCi/L
0.5 pCi/L
1.1 pCi/L
1.0 pCi/L
0.7 pCi/L
3.8 pCi/L
3.9 pCi/L
1.5 pCi/L
0.5 pCi/L
2.2 pCi/L
2.2 pCi/L
1.5 pCi/L
0.7 pCi/L
2.3 pCi/L
1.0 pCi/L
2.6 pCi/L
0.9 pCi/L
0.7 pCi/L
1.0 pCi/L
1.0 pCi/L
0.9 pCi/L
2.8 pCi/L
2.9 pCi/L
2.2 pCi/L
0.9 pCi/L
3.7 pCi/L
0.5 pCi/L
2.6 pCi/L
0.6 pCi/L
2.1 pCi/L
2.0 pCi/L
2.3 pCi/L
1.5 pCi/L
2.1 pCi/L
3.3 pCi/L
0.5 pCi/L
2.3 pCi/L
2.5 pCi/L
3.7 pCi/L
1.0 pCi/L
2.5 pCi/L
1.8 pCi/L
1.0 pCi/L
1.8 pCi/L
3.1 pCi/L
3.1 pCi/L
1.3 pCi/L
1.5 pCi/L
3.7 pCi/L
0.5 pCi/L
1.0 pCi/L
3.9 pCi/L
0.9 pCi/L
1.9 pCi/L
1.0 pCi/L
1.0 pCi/L
1.0 pCi/L
0.7 pCi/L
1.0 pCi/L
1.0 pCi/L
0.5 pCi/L
2.6 pCi/L
0.6 pCi/L
0.8 pCi/L
0.6 pCi/L
1.3 pCi/L
1.9 pCi/L
3.1 pCi/L
0.5 pCi/L
1.8 pCi/L
1.3 pCi/L
0.5 pCi/L
1.8 pCi/L
2.3 pCi/L
0.7 pCi/L
1.7 pCi/L
0.7 pCi/L
0.8 pCi/L
2.3 pCi/L
0.7 pCi/L
0.8 pCi/L
1.0 pCi/L
0.9 pCi/L
2.4 pCi/L
1.8 pCi/L
1.3 pCi/L
1.0 pCi/L
1.8 pCi/L
0.8 pCi/L
0.8 pCi/L
3.7 pCi/L
2.3 pCi/L
2.1 pCi/L
1.3 pCi/L
1.4 pCi/L
3.2 pCi/L
1.3 pCi/L
1.7 pCi/L
1.3 pCi/L
0.6 pCi/L
2.9 pCi/L
3.9 pCi/L
1.9 pCi/L
1.7 pCi/L
1.3 pCi/L
0.9 pCi/L
0.8 pCi/L
3.2 pCi/L
1.0 pCi/L
0.7 pCi/L