Contractor Government Jobs in the United States
Jobot
$90000 - $130000 YEAR
Des Plaines, IL
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Jobot
$90000 - $130000 YEAR
Des Plaines, IL
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Jobot
$90000 - $125000 YEAR
Hampton, VA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The ideal candidate will have a proven track record in managing large-scale commercial construction projects and will possess strong leadership skills.
CHG Healthcare
Bismarck, ND
Your CompHealth recruiter will be your advocate assisting you with contract negotiation, including pay, benefits, and incentives with insights into facilities and national market trends. (954) 837-2697.Established emergency medicine program at a 300-bed regional medical center in North Dakota.
CHG Healthcare
Visalia, CA
Conveniently located between San Francisco and Los Angeles, Visalia is known for its rich agriculture, delicious dining, and its warm and welcoming small-town charm. Visalia offers the unique combination of affordable housing, easy commute to work, a family friendly community, and economic opportunity.
Jobot
$100000 - $130000 YEAR
Greenfield, WI
Today, we are growing our teams for new projects and clients primarily focused in the corporate services sector although we also specialize in medical, government, retail, banking, and fast-food projects ranging from single story ground-up builds to highly technical tenant improvement projects. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Quality Carriers
$4000 - $8000 undefined
MAYSVILLE, KY
Pay Range: 4000.00-8000.00 per_week, General Benefits: Insurance available through UTBA (Universal Trucking Benefits Association) Truck insurance available through NSM Fuel and Tire discounts Free loading/Unloading equipment National discounts at OEM (original equipment manufacturer) repair shops Systematic Inspection Program - we pay towards your systemic inspection Partnership with ATBS (American Truck Business Services) Paid Orientation and Paid On the Job Training Rider Along Program after 1 year Reimbursement of TWIC Card Application Fee Weekly Settlements! Fuel Stabilization Program designed to keep your out of pockets costs at a minimum Access to Management Anytime!
Greenlife Healthcare Staffing
$40 - $55 WEEK
Brooklyn, NY
Hourly Rate: You are compensated based on the hours you work at clients' rate of $40-$55 per worked session, plus an average of $24/$32 in tips, which brings it to an average of $65-$85 per worked hour. Competitive Compensation: You are compensated based on the hours you work at clients' rate of $40-$55 per worked session, plus an average of $24/$32 in tips, which brings it to an average of $65-$85 per worked hour.
Jobot
$160000 - $210000 YEAR
Milpitas, CA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Extensive experience with commercial tenant improvement projects (research and development, advanced technology, healthcare, and/or light industrial project experience strongly preferred).
Jobot
$150000 - $200000 YEAR
San Jose, CA
Consistently ranked as one of the largest General Contractors in the state and country, over the past 50 years, we've built a reputation for our high-quality work, ranging from small-scale tenant improvement projects to large-scale builds such as The Intercontinental Monterey, Levi Stadium, San Jose City Hall, and other landmark projects across the Bay Area and beyond. With an experienced, in-house design team, we deliver a synchronized communication style with consultants and clients alike throughout all phases of construction and design, thus offering a distinct building process that most other General Contractors in the region are unable to match.
Jobot
$80000 - $120000 YEAR
San Jose, CA
Consistently ranked as one of the largest General Contractors in the state and country, over the past 50 years, we've built a reputation for our high-quality work, ranging from small-scale tenant improvement projects to large-scale builds such as The Intercontinental Monterey, Levi Stadium, San Jose City Hall, and other landmark projects across the Bay Area and beyond. Award-winning Construction Firm and pioneer of green building (LEED certified) projects and practices, we are a Bay Area-based company with 50 years of experience spanning Northern CA focused across a wide array of market spaces.
Jobot
$35 - $50 HOUR
Ballston Spa, NY
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We’re looking for an experienced General Contractor with a strong background in finish carpentry—including cabinetry and crown molding—and the leadership skills to manage crews and projects with precision.
Jobot
$100000 - $140000 YEAR
Atlanta, GA
From college and university facilities, churches, commercial spaces, senior living and mixed-use builds, industrial facilities, tilt-wall buildings and more, our projects are a testament to our abilities to tailor our capabilities. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Jobot
$80000 - $100000 YEAR
Sebastopol, CA
From custom home projects to high-density apartment buildings and commercial tenant improvements, we have built a well-earned reputation with our clients as a professional construction firm that listens and cares with the customer's interests always in mind. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Jobot
$100000 - $150000 YEAR
Hammond, IN
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are looking for a reliable Construction Project Manager to plan construction projects and oversee their progress along the way in a timely and cost-effective manner.
Jobot
$100000 - $140000 YEAR
Madison, WI
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We build ground-up structures in a variety of markets including Commercial, Healthcare, Hospitality, Residential, Municipal, Senior Living, Special Projects and more.
Jobot
$100000 - $150000 YEAR
Itasca, IL
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As an Estimator, you will play a critical role in the preconstruction process by preparing accurate and competitive cost estimates for a variety of commercial and industrial projects.
Jobot
$140000 - $180000 YEAR
Menlo Park, CA
With 5 offices across the Bay Area and 300+ employees in total, we have established long-term partnerships with clients such as Lyft, Instacart, LinkedIn, Okta, Gilead, Google, Facebook, and BioMarin Pharmaceutical while building and maintaining an award-winning safety program. As we continue to grow our footprint across California and the Western United States, we continue to prioritize serving our clients by offering personalized service and fostering connections with clients, team members, and stakeholders in order to build lasting relationships.
Jobot
$100000 - $150000 YEAR
Detroit, MI
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As an Estimator, you will play a critical role in the preconstruction process by preparing accurate and competitive cost estimates for a variety of commercial and industrial projects.
Jobot
$115000 - $155000 YEAR
Oak Brook, IL
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Jobot
$90000 - $120000 YEAR
Milwaukee, WI
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
SJS Executives LLC
$43.27 HOUR
Virginia Beach, VA
He or she will already have experience in performing a wide variety of on-site Quality Assurance (QA), safety management, technical consultation and related construction engineering support services for a Navy public works department that is a major customer of SJS Executives DBA SJS Industrial; interface with the Navy Construction Manager (CM) and the contractor personnel from multiple General Contractors (GCs) as needed to facilitate cooperation and communication on construction projects. Possess, or be able to obtain, a Certificate of Completion for the US Army Corps of Engineers “Construction Quality Management [CQM] for Contractors” coursePossess familiarity with crane safety requirements and the NAVFAC P-307 (Management of Weight Handling equipment) specificationMust be able to successfully pass a drug test and a thorough background check for access onto a military installation; please note the background check for this position extends past 7 years, in conformance with federal law and US Department of Justice guidelines for work on a military installation.
Horizon Air
$16.24 undefined
Eugene, OR
Alaska Airlines, Hawaiian Airlines & Horizon Air are regulated by the Department of Transportation (DOT – regulations, 49 CFR part 40) and all applicants are advised that post-offer and/or pre-employment drug testing will be conducted to determine the presence of marijuana, cocaine, opioids, phencyclidine (PCP) and amphetamines or a metabolite of these drugs prior to any offer or employment or transfer into a safety-sensitive position. Airport SIDA Badge Requirements: Important notification for employees working at an airport or maintenance hangar: Employees will be required to obtain a SIDA badge provided by the airport authority and maintain good standing in order to keep their SIDA badge.
Metro Public Adjustment
$50000 - $100000 YEAR
, undefined
We are looking to partner up with handymen, contractors, and professionals who want to help homeowners get tax-free funds to cover your services. 5) Help homeowners get tax-free funds from damage to their home plus get paid to do the work.
Town of Front Royal
Front Royal, VA
Experience Required: Minimum of 2 years in civil engineering work, or equivalent combination of accepted education and experience, including supervisory experience, that would provide the minimum required knowledge, skills and abilities to carry out the essential functions of the position; direct experience in GIS development, AutoCAD or other computer-aided design programs; experience in public works administration or municipal government operations preferred. Sufficient personal mobility, flexibility, dexterity, and balance which permits the employee to sit for long periods, operate computers and related equipment, travel to visit various work sites throughout the Town, reach with hands and/or arms to manipulate large documents such as blueprints and occasionally required to climb stairs, stand and/or walk for long periods, climb or balance, stoop and kneel, crouch, and lift and/or move up to 20 pounds.
HEALTH CONNECT AMERICA, INC
Savannah, GA
At Health Connect America, we are dedicated to making meaningful connections every day through creating quality, affordable opportunities for individuals and families to achieve their greatest potential in a safe, positive living environment. Responsibilities: Scope of ServicesThe Independent Contractor-Family Support Services will provide family support services designed to improve family functioning and child well-being.
HEALTH CONNECT AMERICA, INC
Calhoun, GA
Responsibilities: Scope of ServicesThe Independent Contractor - Family Support Services will deliver targeted family support services aimed at enhancing family dynamics and promoting child well-being. If you share our commitment to empowering families and delivering trauma-informed support, we invite you to explore a partnership opportunity with Health Connect America.
Alaska Airlines
$20.58 undefined
Anchorage, AK
Alaska Airlines, Hawaiian Airlines & Horizon Air are regulated by the Department of Transportation (DOT – regulations, 49 CFR part 40) and all applicants are advised that post-offer and/or pre-employment drug testing will be conducted to determine the presence of marijuana, cocaine, opioids, phencyclidine (PCP) and amphetamines or a metabolite of these drugs prior to any offer or employment or transfer into a safety-sensitive position. Airport SIDA Badge Requirements: Important notification for employees working at an airport or maintenance hangar: Employees will be required to obtain a SIDA badge provided by the airport authority and maintain good standing in order to keep their SIDA badge.
Jobot
$125000 - $155000 YEAR
Winter Park, FL
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you are a Construction Superintendent with ground up commercial experience looking to make a change and just travel in the state of Florida and not nationally then please apply!
Vaco LLC
$35 - $40
Irvine, CA
Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
Herc Rentals Inc
$500 YEAR
Houston, TX
ProSolutions Sales Representatives drive revenue within their designated territory by developing business relationships and providing customer focused solutions to our customers toughest Power and Climate Control challenges in industries including: Environmental and Restoration, Refineries and Petrochemical, Electrical, Mechanical, Sewer/Water/Municipal, Underground and General Contractors, Pipelines, Utilities and Industrial Facilities, Mining/Quarries, Entertainment and Special Events. They are subject matter experts and consultants for internal and external customers in the application of our fleet of pumps, generators, power distribution, and HVAC including Heat, AC, Chillers, and Desiccant Dehumidifiers.
NorthPoint Development LLC
Kansas City, MO
Collaboration: Work with internal and external OEMs, project managers, engineering firms, general contractors, legal and utility providers to integrate substation designs into larger infrastructure projects, such as data center campuses. Substation Design Development: Create/review detailed electrical substation designs, including one-line diagrams, schematics, and layouts for high-voltage (up to 500 kV) and medium-voltage systems.
Jobot
$110000 - $135000 YEAR
Lexington, KY
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Its workforce is composed of licensed professionals, certified project managers, and safety-focused field personnel who are equipped to handle both high-voltage and low-voltage systems.
Jobot
$100000 - $145000 YEAR
Des Plaines, IL
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. 3. Coordinating and supervising the activities of construction teams, subcontractors, and vendors, ensuring all work is performed in accordance with design, budget, and schedule.
Jobot
$60000 - $85000 YEAR
Milwaukee, WI
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a well-established and forward-thinking Construction General Contractor in the Greater Milwaukee Area, with a strong reputation for delivering high-quality Commercial, Healthcare, Industrial, Corporate, and Government projects.
Hampton Roads Transit
Norfolk, VA
External candidates must have a minimum of ten (10) years of progressively responsible experience supervising vehicle maintenance functions within a complex commercial, military or industrial maintenance operation, five (5) years of which should be in a Heavy Duty Vehicle environment; experience within a unionized environment is preferred, or any combination of experience and training which provides the required skills, knowledge, and abilities. Supervises maintenance staff in the performance of work, including but not limited to preventative maintenance inspections, heavy maintenance, repairs, road calls, body repairs, state safety inspections and overhauls at a fixed maintenance facility.
Endeavor Health
$32.6 - $48.9 HOUR
Skokie, IL
Our more than 25,000 team members and more than 6,000 physicians aim to deliver transformative patient experiences and expert care close to home across more than 300 ambulatory locations and eight acute care hospitals - Edward (Naperville), Elmhurst, Evanston, Glenbrook (Glenview), Highland Park, Northwest Community (Arlington Heights) Skokie and Swedish (Chicago) - all recognized as Magnet hospitals for nursing excellence. The purpose of this job is to educate physicians, other qualified billing providers, and ancillary staff on their documentation for all specialties and review providers progress notes, as needed, to ensure coding/billing compliance in accordance with coding rules, third party payor guidelines, governmental regulations, and MG's Coding Compliance Program.
Jobot
$95000 - $145000 YEAR
Lakeville, MN
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our client is a leading full-service general contractor with a long-standing reputation for delivering high-quality commercial construction projects across healthcare, education, government, and corporate sectors.
Jobot
$85000 - $150000 YEAR
Scottsdale, AZ
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. With decades of hands-on expertise, we specialize in delivering reliable installation, maintenance, and repair solutions for a wide range of facilities—from schools and government buildings to manufacturing plants and commercial properties.
Jobot
$90000 - $140000 YEAR
Arden, NC
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a team of experienced Civil Engineers and Land Surveyors who work closely with Architects, Contractors, Government Agencies, Private Investors and Independent entities to help meet the challenges of our ever changing landscape.
Progressive Roofing
$100000 YEAR
Columbus, OH
Compute cost factors and prepare estimates used for management purposes such as planning, organizing, scheduling work, preparing bids, selecting vendors and/or subcontractors, and determining cost effectiveness. Solid knowledge to analyze roofs as well as blueprints, specification interpretations, proposals, and other documentation to prepare material quotes, fabrication labor and construction labor requirement quotes, project pricing, and bid abstracts.
Jobot
$150000 - $225000 YEAR
Oak Brook, IL
Joining this company as Vice President of Aviation means: Influence & Impact: You will help shape and lead an aviation infrastructure practice (or expand/optimize existing aviation-related offerings), contributing to large scale regional projects that are critical to transportation, safety, and public impact. Growth Opportunity: As aviation infrastructure becomes more complex and demanded (airfields, airport systems, lighting, navigational aids, power systems, airfield paving or electrical/communications), there’s room to build out the team, define strategy, and lead innovation.
Jobot
$95000 - $120000 YEAR
Summit, WI
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Hampton Roads Transit
Norfolk, VA
Assists in the overall management of LRT public relations activities by providing public information, receiving citizen inquiries and complaints, investigating problems, developing solutions, participating in public meetings, providing status reports, attending inter and intra departmental meetings, and serving on committees. Administers and coordinates design and construction contracts/projects by scheduling design review meetings, providing design documents for technical reviews, developing and compiling design review comments, maintaining project status reports, preparing cost estimates, and conducting field investigations.
Jobot
$100000 - $150000 YEAR
Highland Beach, MD
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Documentation and Reporting: Maintain detailed documentation of inspection findings, including photographs, data sheets, and non-conformance reports, and generate regular quality reports for project management.
Jobot
$150000 - $170000 YEAR
Phoenix, AZ
The successful candidate will have a strong understanding of personal injury law and will be responsible for managing a caseload from start to finish, including conducting investigations, drafting pleadings, preparing and arguing motions, and representing clients in mediations, arbitrations, and trials. From real estate acquisition, development and financing, to construction and business litigation for both residential and commercial projects, our breadth of experience and geographical coverage ensures that our clients' personal business and financial concerns are being represented every step of the way.
Jobot
$125000 - $175000 YEAR
Billings, MT
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our portfolio of projects is diverse, from Hospitals to Data Centers, Offices, Retail, Multifamily Residential, Sports and Recreation, Higher Education, Industrial, Government and more.
Metromont
Richmond, VA
Develop Metromont’s punch list of items to be completed before requesting a punch list from the general contractor and/or architect; once the subcontractor/architect punch list is issued, the field superintendent is responsible for completing that punch list per the agreed upon schedule and documenting completion of the project punch list. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information.
Pro-Vac
$75000 - $90000 YEAR
Manor, TX
Every day, you will use pre-defined proposals to provide estimates to prospects, follow up on requests that have not closed, complete outbound calling to old customers for new projects and leverage inbound and outbound marketing activities to work with leads. He/she will assist the Director of Sales in growing the Pro-Vac brand by proactively generating new accounts by marketing, networking, cold calling, referrals, and other sales techniques.
Riverside Community College District
$6629 - $8069 OTHER
Riverside, CA
Employees frequently reach, twist, turn, kneel, bend, stoop, squat, crouch, grasp, and make repetitive hand movements in the performance of daily duties; work in confining spaces; climb and descend ladders; operate varied hand and power tools; operate motor vehicles and visit various District sites. Employees in this classification work in the field and are exposed to loud noise levels, extreme cold and hot temperatures, inclement weather conditions, road hazards, vibration, confining workspaces, chemicals, mechanical and/or electrical hazards, hazardous physical substances, and fumes, dust, and air contaminants.