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CHR is the company you call for quality, personalized, and cost-effective corporate health examination and service needs. 
CHR is here, there, everywhere...

"The Industry Leader in Occupational Health Since 1986!"

White Glove Service is Our Standard of Care

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CHR has earned the respect of Fortune 1000 companies with expertise you can trust.

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(800) 867-0933


1375 Piccard Drive

Suite 275

Rockville, MD 20850

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Training Courses

AAOHN: Respiratory Protection Education Program for Healthcare Workers - Available at No Charge.

Online Learning



Commercial Driver Medical Examiner Online Training via ACOEM




Spirometry, Spirometry Refresher, Respirator Fit-Testing Training Courses


Online Courses:

Spirometry Refresher

Spirometry Training


More Information:

Dr. Mary Townsend



CAOHC Certification
CAOHC Re-Certification
NIOSH Certification


Course Collections:



The DOT Examiner's Most Trusted Resource! For a full listing of our books visit OEM Press.

Medlock Consulting is a physician search firm dedicated to locating, evaluating, and facilitating the placement of quality physicians in superior environments. To us, this means never taking shortcuts and always maintaining professional and personal integrity.


Nyla Medlock

Medlock Consulting

Phone 806-744-5250

Cell 806-239-NYLA(6952)

"Defining the Future of Physicians Globally"

Email Nyla


International Safety Systems, Inc. (Global EHS Service Provider)
New: Webinar Brochure



Occupational Health Connections, Inc. (OHC) is a distinguished leader in occupational and employee health staffing and recruitment. For job opportunities, please visit: OHC website



Visit Relief EHS, LLC
Relief EHS is uniquely qualified to provide answers to your environmental health & safety (EHS) questions, make it easier for your business to comply with regulations, and help you achieve EHS goals while minimizing costs and potential liability.



PKB Consulting, LLC
Patricia K. Bertsche, PhD, FAAOHN - Occupational Health & Wellness Consultant, Leader in Global Occupational Health Program Development & Evaluation - Email Pat



CHR Newsletter - February 7, 2019

The quality of CHR's services and the services provided by the clinics in our network is very important. Thank you for your feedback and support. Our clients say it best...

"It was a pleasure working with CHR and your team. Very professional organization that cares about the integrity of the service they provide. I will continue to sing your praises with my future co-workers and organizations that could benefit your business, because I know you are just that great."

"We do so appreciate your support with this funding over the years. You have been a real friend of Occupational Health and Environmental Nurses for a long time."
-AAOHN Foundation

State Health Departments Urging Procrastinators to Get Flu Shots

Influenza-like illnesses (ILI) were widespread in 23 states and New York City in the most recent data available--for the week that ended Jan. 26, 2019. As a result, several state health departments are urging people who haven't gotten a flu shot this season to get one.

Workplace Violence and Security: Are Your Employees Safe?

Is your office prepared to deal with workplace violence? If you're unsure or think it's unlikely to occur, consider this: "Some 2 million American workers are victims of workplace violence each year," states OSHA, which adds that "workplace violence can strike anywhere, and no one is immune."

Ending Distracted Driving Tops NTSB's "Most Wanted" List of Transportation Safety Improvements

The recent government shutdown may have delayed the release of the Most Wanted List of Transportation Safety Improvements, but it hasn't downsized it. The agency unveiled an ambitious version of its biennial wish list, which calls for the implementation of 46 safety recommendations.

OSHA Raises Employer Penalties for 2019

The penalties levied against employers for safety violations by the Occupational Safety and Health Administration (OSHA) have gone up, effective Jan. 24. The increases only apply to citations issued after that date and for the remainder of 2019.

Occupational Exposure to Fragrances Can Impact Workers that Suffer from Asthma

The American Board of Industrial Hygiene (ABIH) reminds workers and industry of the need to address occupational exposures to respiratory irritants, allergens, and hazards.

Study Links Workplace Smoking Bans to Lower Blood Pressure

Smoking bans in workplaces and public places may help promote lower systolic blood pressure among people working in or living near these settings, suggests a recent study conducted by researchers at Northwestern University and the University of Minnesota.

Who Decided We Should All Take 10,000 Steps a Day

People who faithfully adhere to 10,000 daily steps or who scold themselves for not reaching that goal may be surprised to learn that this widely accepted target did not originate as the result of years of scientific research. Instead, it grew out of the marketing campaign for a pedometer invented in 1965.

OSHA Final Rule Eliminates Electronic Reporting Requirement

Saying it took the action to protect workers' privacy, OSHA issued a final rule that eliminates the requirement for establishments with 250 or more employees to electronically submit information from their OSHA Form 300 and OSHA Form 301 to OSHA each year.

Occupational Health Research Round-up: February 2019

Stories include work-related cancers costing billions, night shift work linked to abnormal liver function, patients having poor expectations of knee surgery, and chronic disease and work participation.

Upcoming Conferences

  • PAAOHN, March 13-14, 2019
  • AOCOPM, March 20-22, 2019
  • NCAOHN, March 20-22, 2019
  • AAOHN National Conference, April 8-10, 2019
    Booth Number: 509
  • LAOHN, July 24-26, 2019
  • More to come; Stay tuned...

Job Openings

Occupational Health Registered Nurse

Corporate Health Resources (CHR) is seeking an Occupational Health Registered Nurse to perform case management, arrange initial medical appointments for work-related illness/injury, and coordinate the medical surveillance program.

The job is full-time: two days/week in the Southern San Francisco area, 2 days/week in Sunnyvale, and 1 day/week in Redwood City. The company has signed a lease to consolidate all three locations in Southern San Francisco in 2020.

CEU and recertification reimbursements are available, along with an excellent benefits package. CHR is an Equal Opportunity Employer.

For more information, please contact

WBENC-Certified Women's Business Enterprise

Email Rhett Suhre for More Information.

CHR is Celebrating 32 Years!

CHR is a TRAC-Certified Vendor
Learn more about TRAC

Health and Safety Works, LLC

Health and Safety Works, LLC provides training, consulting, and research services in support of Occupational Health (OSHA), Transportation Health (FMCSA) and Health and Wellness. Read more about Health and Safety Works or email HSW Founder and CEO, Elaine M. Papp RN, MSN, CM, COHN-S FAAOHN.