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Drug and Alcohol Testing Concord MI - (800) 828-7086

Coastal Drug Testing in Concord MI provides drug and alcohol testing, DOT physicals, DOT drug testing and DNA testing at our drug testing locations in Concord MI and the surrounding area. Drug and alcohol testing services are provided for employers and individuals needing a test. Same day service is available and most testing centers are within minutes of your home or office.

To schedule any type of drug or alcohol test at our Concord locations, call our scheduling department at (800) 828-7086. You can also schedule your drug test online utilizing our express scheduling registration by selecting your test and completing the Donor Information/Registration Section. You must register for the test prior to proceeding to the testing center.

The zip code you enter will be used to determine the closest alcohol drug testing center which performs the type of test you have selected. A donor pass/registration form with the local testing center address, hours of operation and instructions will be sent to the e-mail address you provided. Take this form with you or have it available on your smart phone to provide to the testing center. No appointment is necessary in most cases. However, you must complete the donor information section and pay for the test at the time of registration.

Urine or hair testing methods – you choose!

Coastal Drug Testing offers different testing methods depending upon our customers needs. With a 1 to 5 day detection period urine testing is the most common method used by employers, courts and schools. However, hair drug and alcohol testing is becoming a frequently used testing method due to a detection period of up to 90 days and even longer in certain cases.

DOT Drug and Alcohol Testing

(DOT 49 CFR, Part 40 Requirements)

Coastal Drug Testing provides DOT drug testing and DOT breath alcohol testing at our locations in Concord MI which complies with all requirements of DOT 49 CFR Part 40.Most testing centers are within minutes of your home or office and the process to schedule a DOT drug test or DOT breath alcohol test is FAST AND EASY. Our staff is trained and certified in DOT drug testing procedures and chain of custody requirements. All DOT drug tests are analyzed by a SAMSHA certified laboratory and reviewed by our Medical Review Officer on staff.

Additional DOT Services:

  •  Consortium Enrollment
  •  Supervisor Training
  •  Employer Drug Policy Development
  •  MVR Reports
  •  Supervisor Training
  •  Employee Training
  •  Background Checks

We also provide drug-free workplace programs to DOT regulated industries such as:

  •  Trucking Industry (FMCSA)
  •   Aviation Industry (FAA)
  •  Railroad Industry (FRA)
  •  Public Transportation (FTA)
  •  Pipeline Industry (PHMSA)
  •  Maritime Industry (USCG)
  •  Court Ordered Drug Testing (Probation/Child Custody)

Our local Concord MI drug testing centers provide drug and alcohol tests that are utilized for a wide variety of court ordered proceedings, including probation and other types of government required tests. Observed tests are available and tests results can be submitted for a wide variety of court ordered proceedings including probation hearings, child custody cases, litigation and all manner of government required tests.

Court ordered drug tests should contain detailed instructions specifying the type of test to be administered and the drugs that should be screened for. If sample collection needs to be witnessed in order to prevent potential tampering or substitution, those specifications will be stated in the court order.

On the Road or on Vacation? No Problem!

Coastal Drug Testing has over 20,000 drug and alcohol testing locations nationwide, call us today to schedule a test in any state or city.

Child/Family/Personal Drug Testing

Coastal Drug Testing offers convenient, cost effective and confidential options for parents, family members or anyone needing to take a drug or alcohol test for personal reasons. The process is simple, call us at 800-828-7086 and speak with one of our customer service specialists to determine which testing option may be best for you. Or you may also register online to purchase your test.

Employer/Drug Free Workplace Testing

Coastal Drug Testing specializes in providing cost effective and comprehensive Drug Free Workplace Programs which include: pre-employment, random, post accident and reasonable suspicion drug and alcohol testing. As well as drug policy development, employee training and awareness signage and on-going consultation to ensure that a company is a drug free workplace. Many states offer discounts on workers compensation insurance premiums when a business is qualified as a drug free workplace.

What is a Drug Test?

A drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, and/or oral fluid/saliva-to determine the presence or absence of specified parent drugs or their metabolites.

 

Major applications of drug testing include detection of the presence of performance enhancing steroids in sport, employers and parole/probation officers prohibited by law (such as cannabis, cocaine, methamphetamine, and heroin) and police officers testing for the presence and concentration of alcohol (ethanol) in the blood commonly referred to as BAC (blood alcohol content).

 

BAC tests are typically administered via a breathalyzer while urinalysis is used for the vast majority of drug testing in sports and the workplace. Numerous other methods with varying degrees of accuracy, sensitivity (detection threshold/cutoff), and detection periods exist.

 

A drug test may also refer to a test that provides quantitative chemical analysis of an illegal drug, typically intended to help with responsible drug use. pre-employment, random selection, post-accident and reasonable suspicion. Testing purposes for individuals can include court ordered, probation, child custody or for any other personal reason.

 

Drug test screening groups commonly used are a 5 panel, 10 panel and 12 panel drug test, (panels specify how many drugs will be screened) however customized screening can be analyzed for drugs such as opiates, bath salts, synthetic cannabinoids and a wide range of prescription drugs.

Coastal Drug Testing also provides customized drug testing for synthetic marijuana, Ketamine, spice, kratom, bath salts and various opioids including Fentanyl, Oxycodone, Vicodin, Percocet, and others. Prescription drugs can be screened including Adderall, Ritalin, and Suboxone with levels reflecting usage.

Providing exceptional customer service and being available when you need us for drug testing in Concord MI, is our #1 Priority and we look forward to serving the needs of our clients.

Drug and Alcohol Testing Locations in Concord CA

7 DEANE ST 5.5 miles

7 DEANE ST
MAYNARD, MA 1754
Categories: MAYNARD MA

58 BEDFORD ST 5.8 miles

58 BEDFORD ST
LEXINGTON, MA 2420
Categories: LEXINGTON MA

35 BEDFORD ST 5.9 miles

35 BEDFORD ST
LEXINGTON, MA 2420
Categories: LEXINGTON MA

90 MIDDLESEX TPKE 6.9 miles

90 MIDDLESEX TPKE
BURLINGTON, MA 1803
Categories: BURLINGTON MA

48 HAMILTON AVE 7.4 miles

48 HAMILTON AVE
BILLERICA, MA 1821
Categories: BILLERICA MA

510 BOSTON RD 7.6 miles

510 BOSTON RD
BILLERICA, MA 1821
Categories: BILLERICA MA

1030 MAIN ST 7.6 miles

1030 MAIN ST
WALTHAM, MA 2451
Categories: WALTHAM MA

9 HOPE AVE 8.1 miles

9 HOPE AVE
WALTHAM, MA 2453
Categories: WALTHAM MA

70 HOPE AVE APT 409 8.2 miles

70 HOPE AVE APT 409
WALTHAM, MA 2453
Categories: WALTHAM MA

51 Sawyer Rd Ste 200 8.2 miles

51 Sawyer Rd Ste 200
Waltham, MA 2453
Categories: Waltham MA

221 Boston Rd, Suite 1, 8.8 miles

221 Boston Rd, Suite 1,
Billerica, MA 1862
Categories: Billerica MA

7 FRANCINE RD 9.6 miles

7 FRANCINE RD
FRAMINGHAM, MA 1701
Categories: FRAMINGHAM MA

39 Village Square, 9.6 miles

39 Village Square,
Chelmsford, MA 1824
Categories: Chelmsford MA

1 MARINA PARK DR. 9.9 miles

1 MARINA PARK DR.
WEST NEWTON, MA 2465
Categories: WEST NEWTON MA

POH on-site only 10.1 miles

POH on-site only
WOBURN, MA 1801
Categories: WOBURN MA

Onsite Only 10.1 miles

Onsite Only
Woburn Ma, MA 1801
Categories: Woburn Ma MA

41 CARLETON RD 10.4 miles

41 CARLETON RD
BELMONT, MA 2478
Categories: BELMONT MA

190 N MAIN ST 11.1 miles

190 N MAIN ST
NATICK, MA 1760
Categories: NATICK MA

725 CONCORD AVE STE 5100 11.1 miles

725 CONCORD AVE STE 5100
CAMBRIDGE, MA 2138
Categories: CAMBRIDGE MA

10 RESEARCH PL STE 200 11.6 miles

10 RESEARCH PL STE 200
NORTH CHELMSFORD, MA 1863
Categories: NORTH CHELMSFORD MA

376 Arsenal Street 11.6 miles

376 Arsenal Street
Watertown, MA 2472
Categories: Watertown MA

50 WORCESTER RD STE 3 11.6 miles

50 WORCESTER RD STE 3
FRAMINGHAM, MA 1702
Categories: FRAMINGHAM MA

601 Concord Ave 11.7 miles

601 Concord Ave
Cambridge, MA 2138
Categories: Cambridge MA

800 W CUMMINGS PARK STE 5225 11.7 miles

800 W CUMMINGS PARK STE 5225
WOBURN, MA 1801
Categories: WOBURN MA

600 W Cummings Park Ste 3400 11.7 miles

600 W Cummings Park Ste 3400
Woburn, MA 1801
Categories: Woburn MA

345 MAIN ST 12.0 miles

345 MAIN ST
TEWKSBURY, MA 1876
Categories: TEWKSBURY MA

5 WINTER ST 12.0 miles

5 WINTER ST
HUDSON, MA 1749
Categories: HUDSON MA

1400 CENTRE ST, STE 208 12.0 miles

1400 CENTRE ST, STE 208
NEWTON CENTER, MA 2459
Categories: NEWTON CENTER MA

66B CONCORD ST 12.1 miles

66B CONCORD ST
WILMINGTON, MA 1887
Categories: WILMINGTON MA

945 WORCESTER ST ROUTE 9W 12.1 miles

945 WORCESTER ST ROUTE 9W
NATICK, MA 1760
Categories: NATICK MA

700 Rogers Street, 12.3 miles

700 Rogers Street,
Lowell, MA 1854
Categories: Lowell MA

37 MANNING ST 12.3 miles

37 MANNING ST
MEDFORD, MA 2155
Categories: MEDFORD MA

92 HIGH ST 12.4 miles

92 HIGH ST
MEDFORD, MA 2155
Categories: MEDFORD MA

736 CAMBRIDGE ST DEPARTMENT OF OCC HLTH AND TRAVEL 12.5 miles

736 CAMBRIDGE ST DEPARTMENT OF OCC HLTH AND TRAVEL
BRIGHTON, MA 2135
Categories: BRIGHTON MA

20 S BORDER RD 12.6 miles

20 S BORDER RD
MEDFORD, MA 2155
Categories: MEDFORD MA

61 Lincoln St, Suite 308 12.7 miles

61 Lincoln St, Suite 308
Framingham, MA 1702
Categories: Framingham MA

157 UNION ST 12.8 miles

157 UNION ST
MARLBOROUGH, MA 1752
Categories: MARLBOROUGH MA

157 UNION ST 12.8 miles

157 UNION ST
MARLBORO, MA 1752
Categories: MARLBORO MA

ON-SITE FOR POH ONLY 12.8 miles

ON-SITE FOR POH ONLY
STONEHAM, MA 2180
Categories: STONEHAM MA

16 Main Street 12.9 miles

16 Main Street
Stoneham, MA 2180
Categories: Stoneham MA

922 HIGHLAND AVE 12.9 miles

922 HIGHLAND AVE
NEEDHAM, MA 2494
Categories: NEEDHAM MA

12 EVERETT ST 13.0 miles

12 EVERETT ST
CAMBRIDGE, MA 2138
Categories: CAMBRIDGE MA

1 HOSPITAL DR 13.0 miles

1 HOSPITAL DR
LOWELL, MA 1852
Categories: LOWELL MA

124 WESTERN AVE 13.2 miles

124 WESTERN AVE
ALLSTON, MA 2134
Categories: ALLSTON MA

114 WESTERN AVE 13.2 miles

114 WESTERN AVE
ALLSTON, MA 2134
Categories: ALLSTON MA

500 CUMMINGS CTR Ste 4350 13.2 miles

500 CUMMINGS CTR Ste 4350
BEVERLY, MA 1915
Categories: BEVERLY MA

52 BOW ST 13.4 miles

52 BOW ST
STONEHAM, MA 2180
Categories: STONEHAM MA

16 WESTWOOD RD 13.4 miles

16 WESTWOOD RD
SOMERVILLE, MA 2143
Categories: SOMERVILLE MA

10 CAMBRIA ST 13.5 miles

10 CAMBRIA ST
SOMERVILLE, MA 2143
Categories: SOMERVILLE MA

286 NEHOIDEN ST 13.5 miles

286 NEHOIDEN ST
NEEDHAM, MA 2492
Categories: NEEDHAM MA

28 Newton St 13.8 miles

28 Newton St
Southboro, MA 1772
Categories: Southboro MA

1493 CAMBRIDGE ST 13.8 miles

1493 CAMBRIDGE ST
CAMBRIDGE, MA 2139
Categories: CAMBRIDGE MA

148 CHESTNUT ST 13.9 miles

148 CHESTNUT ST
NEEDHAM, MA 2492
Categories: NEEDHAM MA

200 GROTON RD 14.0 miles

200 GROTON RD
AYER, MA 1432
Categories: AYER MA

358 HARVARD ST 14.0 miles

358 HARVARD ST
BROOKLINE, MA 2446
Categories: BROOKLINE MA

1400 CAMBRIDGE ST 14.0 miles

1400 CAMBRIDGE ST
CAMBRIDGE, MA 2139
Categories: CAMBRIDGE MA

Onsite Only #1 14.2 miles

Onsite Only #1
Cambridge, MA 2139
Categories: Cambridge MA

101 STATION LNDG 14.2 miles

101 STATION LNDG
MEDFORD, MA 2155
Categories: MEDFORD MA

1285 Beacon St 14.2 miles

1285 Beacon St
Brookline, MA 2446
Categories: Brookline MA

219 CENTRE ST 14.3 miles

219 CENTRE ST
MALDEN, MA 2148
Categories: MALDEN MA

5 MIDDLESEX AVE 14.4 miles

5 MIDDLESEX AVE
SOMERVILLE, MA 2145
Categories: SOMERVILLE MA

1180 Beacon St Ste 1D, 14.4 miles

1180 Beacon St Ste 1D,
Brookline, MA 2446
Categories: Brookline MA

17 MAIN ST APT 2A 14.5 miles

17 MAIN ST APT 2A
WAKEFIELD, MA 1880
Categories: WAKEFIELD MA

42 BOSTON POST RD W 14.5 miles

42 BOSTON POST RD W
MARLBOROUGH, MA 1752
Categories: MARLBOROUGH MA

1101 Beacon St, 1st floor 14.5 miles

1101 Beacon St, 1st floor
Brookline, MA 2446
Categories: Brookline MA

On-site only 14.6 miles

On-site only
Wakefield, MA 1880
Categories: Wakefield MA

319 Longwood Ave, 15.0 miles

319 Longwood Ave,
Boston, MA 2115
Categories: Boston MA

125 PARKER HILL AVE 15.3 miles

125 PARKER HILL AVE
BOSTON, MA 2120
Categories: BOSTON MA

1996 CENTRE ST 15.7 miles

1996 CENTRE ST
WEST ROXBURY, MA 2132
Categories: WEST ROXBURY MA

98 N WASHINGTON ST STE 107 15.8 miles

98 N WASHINGTON ST STE 107
BOSTON, MA 2114
Categories: BOSTON MA

P.O. Box 546 16.1 miles

P.O. Box 546
Andover, MA 1810
Categories: Andover MA

850 HARRISON AVE STE 1N67 16.4 miles

850 HARRISON AVE STE 1N67
BOSTON, MA 2118
Categories: BOSTON MA

101 ARCH ST STE 20 16.5 miles

101 ARCH ST STE 20
BOSTON, MA 2110
Categories: BOSTON MA

371 BROADWAY 17.1 miles

371 BROADWAY
SAUGUS, MA 1906
Categories: SAUGUS MA

200 PROVIDENCE HWY STE 202-203 17.2 miles

200 PROVIDENCE HWY STE 202-203
DEDHAM, MA 2026
Categories: DEDHAM MA

370 PROVIDENCE HWY 17.2 miles

370 PROVIDENCE HWY
DEDHAM, MA 2026
Categories: DEDHAM MA

1 HARBORSIDE DR 17.3 miles

1 HARBORSIDE DR
EAST BOSTON, MA 2128
Categories: EAST BOSTON MA

228 DANIEL WEBSTER HWY 18.0 miles

228 DANIEL WEBSTER HWY
NASHUA, NH 3060
Categories: NASHUA NH

1 Branch St, 18.3 miles

1 Branch St,
Methuen, MA 1844
Categories: Methuen MA

138 Haverhill St, 18.4 miles

138 Haverhill St,
Andover, MA 1810
Categories: Andover MA

156 SAINT ANDREW RD 18.6 miles

156 SAINT ANDREW RD
EAST BOSTON, MA 2128
Categories: EAST BOSTON MA

2100 DORCHESTER AVE 19.1 miles

2100 DORCHESTER AVE
DORCHESTER, MA 2124
Categories: DORCHESTER MA

271 WESTERN AVE STE102 19.2 miles

271 WESTERN AVE STE102
LYNN, MA 1904
Categories: LYNN MA

52 CREST AVE STE 7A 19.8 miles

52 CREST AVE STE 7A
WINTHROP, MA 2152
Categories: WINTHROP MA

199 REEDSDALE RD 19.9 miles

199 REEDSDALE RD
MILTON, MA 2186
Categories: MILTON MA

1 ORTHOPEDICS DR LOWR LEVEL 20.0 miles

1 ORTHOPEDICS DR LOWR LEVEL
PEABODY, MA 1960
Categories: PEABODY MA

1 GENERAL ST 20.0 miles

1 GENERAL ST
LAWRENCE, MA 1841
Categories: LAWRENCE MA

9 Faun Bar Avenue Ste 2 20.0 miles

9 Faun Bar Avenue Ste 2
WINTHROP, MA 2152
Categories: WINTHROP MA

92 HIGHLAND ST 20.0 miles

92 HIGHLAND ST
MILTON, MA 2186
Categories: MILTON MA

333 SW Cutoff Suite 202 20.1 miles

333 SW Cutoff Suite 202
Northborough, MA 1532
Categories: Northborough MA

200 SUTTON ST STE 135 20.3 miles

200 SUTTON ST STE 135
NORTH ANDOVER, MA 1845
Categories: NORTH ANDOVER MA

435 Lancaster Street Suite 214A 20.4 miles

435 Lancaster Street Suite 214A
Leominster, MA 1453
Categories: Leominster MA

60 EAST ST STE 1400 20.5 miles

60 EAST ST STE 1400
METHUEN, MA 1844
Categories: METHUEN MA

101 ACCESS RD STE 1B 20.9 miles

101 ACCESS RD STE 1B
NORWOOD, MA 2062
Categories: NORWOOD MA

424 CENTRAL ST 20.9 miles

424 CENTRAL ST
LEOMINSTER, MA 1453
Categories: LEOMINSTER MA

300 Main St, 21.0 miles

300 Main St,
Nashua, NH 3060
Categories: Nashua NH

166 KINSLEY ST STE 203 21.1 miles

166 KINSLEY ST STE 203
NASHUA, NH 3060
Categories: NASHUA NH

81B MAIN ST 21.1 miles

81B MAIN ST
MEDWAY, MA 2053
Categories: MEDWAY MA

229 Andover Street 21.3 miles

229 Andover Street
Peabody, MA 1960
Categories: Peabody MA

17 RIVERSIDE ST STE 202 21.3 miles

17 RIVERSIDE ST STE 202
NASHUA, NH 3062
Categories: NASHUA NH

38 VANDERBILT AVE STE E 21.4 miles

38 VANDERBILT AVE STE E
NORWOOD, MA 2062
Categories: NORWOOD MA

335 Morse St, 1st Floor, 21.6 miles

335 Morse St, 1st Floor,
Norwood, MA 2062
Categories: Norwood MA

140 Commonwealth Ave, 21.6 miles

140 Commonwealth Ave,
Danvers, MA 1923
Categories: Danvers MA

60 HOSPITAL RD 21.7 miles

60 HOSPITAL RD
LEOMINSTER, MA 1453
Categories: LEOMINSTER MA

8 AUBURN ST 21.9 miles

8 AUBURN ST
NASHUA, NH 3064
Categories: NASHUA NH

194 NORTH ST 22.0 miles

194 NORTH ST
DANVERS, MA 1923
Categories: DANVERS MA

45 Stiles Rd Ste 102, 22.1 miles

45 Stiles Rd Ste 102,
Salem, NH 3079
Categories: Salem NH

31 STILES RD STE 1300 22.2 miles

31 STILES RD STE 1300
SALEM, NH 3079
Categories: SALEM NH

7 INDEPENDENCE WAY APT 13 22.2 miles

7 INDEPENDENCE WAY APT 13
FRANKLIN, MA 2038
Categories: FRANKLIN MA

25 PELHAM RD, STE 103A 22.4 miles

25 PELHAM RD, STE 103A
SALEM, NH 3079
Categories: SALEM NH

14A BROAD ST 22.4 miles

14A BROAD ST
NASHUA, NH 3064
Categories: NASHUA NH

2 Adams Place Suite 305 22.8 miles

2 Adams Place Suite 305
Quincy, MA 2169
Categories: Quincy MA

380 MERRIMACK ST, STE B2 22.8 miles

380 MERRIMACK ST, STE B2
METHUEN, MA 1844
Categories: METHUEN MA

411 MERRIMACK ST STE 205 22.8 miles

411 MERRIMACK ST STE 205
METHUEN, MA 1844
Categories: METHUEN MA

165 GRANITE ST 22.9 miles

165 GRANITE ST
QUINCY, MA 2169
Categories: QUINCY MA

500 Congress St Ste 1e, 23.1 miles

500 Congress St Ste 1e,
Quincy, MA 2169
Categories: Quincy MA

340 Wood Rd, Suite 302, 23.1 miles

340 Wood Rd, Suite 302,
Braintree, MA 2184
Categories: Braintree MA

21 SCHOOL ST 23.2 miles

21 SCHOOL ST
QUINCY, MA 2169
Categories: QUINCY MA

159 N BROADWAY 23.2 miles

159 N BROADWAY
SALEM, NH 3079
Categories: SALEM NH

10 FORBES RD STE 260E 23.3 miles

10 FORBES RD STE 260E
BRAINTREE, MA 2184
Categories: BRAINTREE MA

289 Main St, 23.8 miles

289 Main St,
Salem, NH 3079
Categories: Salem NH

485 GRANITE ST 23.9 miles

485 GRANITE ST
BRAINTREE, MA 2184
Categories: BRAINTREE MA

630 PLANTATION ST 24.0 miles

630 PLANTATION ST
WORCESTER, MA 1605
Categories: WORCESTER MA

115 WATER ST 2ND FL 24.2 miles

115 WATER ST 2ND FL
MILFORD, MA 1757
Categories: MILFORD MA

759 GRANITE ST 24.3 miles

759 GRANITE ST
BRAINTREE, MA 2184
Categories: BRAINTREE MA

100 BAY STATE DR 24.4 miles

100 BAY STATE DR
BRAINTREE, MA 2184
Categories: BRAINTREE MA

49 RANGE RD STE 101 24.4 miles

49 RANGE RD STE 101
WINDHAM, NH 3087
Categories: WINDHAM NH

100 JOHN RD 24.5 miles

100 JOHN RD
CANTON, MA 2021
Categories: CANTON MA

500 Lincoln Street 24.7 miles

500 Lincoln Street
Worcester, MA 1605
Categories: Worcester MA

250 POND ST 24.7 miles

250 POND ST
BRAINTREE, MA 2184
Categories: BRAINTREE MA

160 S MAIN ST 24.7 miles

160 S MAIN ST
MILFORD, MA 1757
Categories: MILFORD MA

352 BELMONT ST 24.8 miles

352 BELMONT ST
WORCESTER, MA 1604
Categories: WORCESTER MA

(Don’t see a location near you? Call us (800) 828-7086)

Local Area Info: Concord, Massachusetts

Concord is a town in Middlesex County, Massachusetts, in the United States. At the 2010 census, the town population was 17,668. The United States Census Bureau considers Concord part of Greater Boston. The town center is near where the confluence of the Sudbury and Assabet rivers forms the Concord River.

The area that became the town of Concord was originally known as Musketaquid, an Algonquian word for "grassy plain." Concord was established in 1635 by a handful of British settlers; by 1775, the population had grown to 1,400. As dissension between colonists in North America and the British crown intensified, 700 troops were sent to confiscate militia ordnance stored at Concord on April 19, 1775. The ensuing conflict, the Battle of Lexington and Concord, was the incident (the shot heard round the world) that triggered the American Revolutionary War.

A rich literary community developed in Concord during the mid-19th century, centered around Ralph Waldo Emerson. Emerson's circle included Nathaniel Hawthorne, Louisa May Alcott and Henry David Thoreau. Major works written in Concord during this period include Alcott's novel Little Women, Emerson's essay Self-Reliance, and Thoreau's Walden and Civil Disobedience. In this era, the now-ubiquitous Concord grape was developed in Concord by Ephraim Wales Bull.