Hunter Associates Laboratory, Inc. 11491 Sunset Hills Road Reston, VA 20190-5280 Tel: 703-471-6870 Fax:703-471-4237 www.hunterlab.com

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DIRECTIONS

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From The Beltway (495)

1:At I-495 Exit 45, turn off onto Ramp VA-267 Toll West
2: *Toll Road* Merge onto VA-267 Toll [Dulles Toll Rd Toll]
3: *Toll Road* At VA-267 Toll Exit 13, turn off onto Ramp VA-828/Wiehle Ave
4: Merge Right (North) onto VA-828 [Wiehle Ave]
5: Turn LEFT (West) onto VA-657 [Sunset Hills Rd]
6: HunterLab 1/2 mile down on left
End: Arrive 11491 Sunset Hills Rd, Reston, VA, 20190
Total Route 8 mi

Washington Dulles International (IAD) - 8 miles

Start: Depart Washington Dulles International Airport, Virginia on Local road(s) (East)
1: Bear RIGHT (East) onto W Terminal Rd
2: Turn LEFT (North) onto (W) Service Rd
3: Turn LEFT (North) onto Ramp
4: Bear RIGHT (North-East) onto Dulles Airport Access Rd
5: Bear RIGHT (East) onto Ramp VA-267 East
6: *Toll Road* Merge onto VA-267 Toll [Dulles Toll Rd Toll]
7: At VA-267 Toll Exit 12, turn off onto Ramp VA-602/Reston Pkwy
8: Continue (East) on Local road(s)
9: Turn LEFT (North) onto VA-602 [Reston Pky]
10: Turn RIGHT (East) onto VA-657 [Sunset Hills Rd]
11: HunterLab 1/2 mile down on right
End: Arrive 11491 Sunset Hills Rd, Reston, VA, 20190
Total Route 8.0 mi

Ronald Reagan Washington National Airport - 23.3 miles

Start: Depart Ronald Reagan Washington National Airport, Virginia on Local road(s) (West)
1: Turn RIGHT (North) onto Thomas Ave
2: Bear RIGHT (North) onto Ramp I-395/I-66/Washington
3: Continue (North) on Gw Pky [George Washington Memorial Pky]
4: Bear LEFT (West) onto Ramp I-495 South
5: Merge onto I-495 [I-495 Outerloop]
6: At I-495 Exit 45A, turn off onto Ramp VA-267 Toll West
7: *Toll Road* Merge onto VA-267 Toll [Dulles Toll Rd Toll]
8: *Toll Road* At VA-267 Toll Exit 13, turn off onto Ramp VA-828/Wiehle Ave
9: Merge Right (North) onto VA-828 [Wiehle Ave].
10: Turn LEFT (West) onto VA-657 [Sunset Hills Rd]
11: HunterLab 1/2 mile down on left
End: Arrive 11491 Sunset Hills Rd, Reston, VA, 20190
Total Route 23.3 mi

Baltimore Washington Airport - 52 miles

Directions Toward Distance Time Start: Depart
1: Go (North-West) on Elm Rd [Airport Exit]
2: Continue (North-West) on Airport Exit I-195 West/SR-
3: Continue (West) on I-195 [Metropolitan Blvd]
4: At I-195 Exit 4B, turn off onto Ramp I-95 South
5: Merge onto I-95
6: At I-95 Exit 27-25, turn off onto Ramp I-495 West
7: Merge onto I-495 [I-495 Outerloop]
Entering Virginia
8: At I-495 Exit 45, turn off onto Ramp VA-267 Toll West
9: *Toll Road* Merge onto VA-267 Toll [Dulles Toll Rd Toll]
10: *Toll Road* At VA-267 Toll Exit 13, turn off onto Ramp VA-828/Wiehle Ave
11: Merge Right (North) onto VA-828 [Wiehle Ave]
12: Turn LEFT (West) onto VA-657 [Sunset Hills Rd]
13: HunterLab 1/2 mile down on left
End: Arrive 11491 Sunset Hills Rd, Reston, VA, 20190
Total Route 51.6 mi