About clean harbors
Company Description
Clean Harbors is a leading provider of environmental, energy, and industrial services across North America. Founded in 1980, the company specializes in waste management, environmental cleanup, and emergency response services. With a commitment to sustainability and safety, Clean Harbors operates with a workforce dedicated to protecting the environment while providing top-tier service to its clients in various industries. The work culture at Clean Harbors is built on collaboration, innovation, and a shared commitment to safety and environmental stewardship. Employees are encouraged to take initiative, engage in continuous learning, and work together in a dynamic job environment that values diversity and inclusion.
Environmental Technician Interview Questions
Q1: What are the primary responsibilities of an Environmental Technician at Clean Harbors?
The primary responsibilities include conducting site assessments, collecting environmental samples, monitoring hazardous waste, and ensuring compliance with environmental regulations.
Q2: How do you ensure safety while performing environmental assessments?
I prioritize safety by conducting thorough risk assessments before starting work, wearing appropriate Personal Protective Equipment (PPE), and following established safety protocols at all times.
Q3: Can you describe a situation where you had to deal with a hazardous material spill?
In a previous role, I responded to a chemical spill by quickly containing the area, using absorbent materials, and notifying the emergency response team to manage the situation safely and efficiently.
Q4: What experience do you have with environmental regulations?
I have worked with various environmental regulations, including RCRA and CERCLA, and I regularly stay updated on changes in legislation to ensure compliance in my work.
Q5: How do you handle working in a team environment?
I believe teamwork is crucial for effective environmental management. I communicate openly with my colleagues, share information, and collaborate on projects to achieve our common goals.
Hazardous Waste Specialist Interview Questions
Q1: What does the role of a Hazardous Waste Specialist entail at Clean Harbors?
The role involves managing the collection, treatment, and disposal of hazardous waste in compliance with federal and state regulations, as well as conducting audits and training staff on waste management practices.
Q2: How do you stay informed about changes in hazardous waste regulations?
I subscribe to professional publications, attend industry conferences, and participate in training programs to stay informed about regulatory changes and best practices in hazardous waste management.
Q3: Describe a time you identified a compliance issue in hazardous waste management.
I once noticed discrepancies in waste labeling during an audit. I immediately reported this to management, and we implemented corrective actions, including additional training for staff on proper labeling procedures.
Q4: What steps do you take to conduct a hazardous waste audit?
I conduct a thorough review of waste disposal records, inspect storage areas for compliance, interview staff, and assess the overall management of hazardous materials on-site.
Q5: How do you handle emergency situations involving hazardous waste?
In emergencies, I follow the established emergency response plan, coordinate with first responders, and ensure that all personnel are evacuated from the affected area while managing the containment process.
Industrial Services Technician Interview Questions
Q1: What are the key responsibilities of an Industrial Services Technician at Clean Harbors?
Key responsibilities include performing industrial cleaning, vacuum truck operations, and maintaining equipment while ensuring compliance with safety and environmental standards.
Q2: How do you approach industrial cleaning projects?
I assess the site conditions, plan the cleaning process, use the appropriate methods and equipment, and work efficiently while adhering to safety protocols to ensure effective and safe operations.
Q3: Describe your experience with operating heavy machinery.
I have extensive experience operating various types of heavy machinery, including vacuum trucks and pressure washers, and I ensure that I follow all safety guidelines and regulations during operations.
Q4: What safety measures do you prioritize while working on-site?
Safety measures include wearing required PPE, conducting pre-operation inspections of equipment, and adhering to site-specific safety protocols to minimize risks.
Q5: How do you handle working in challenging environments?
I remain adaptable and focused, prioritize safety, and rely on teamwork to navigate challenging environments effectively while completing tasks efficiently.
Emergency Response Technician Interview Questions
Q1: What is the role of an Emergency Response Technician at Clean Harbors?
The role involves responding to hazardous materials incidents, conducting assessments, and implementing cleanup and containment measures while ensuring safety and compliance.
Q2: How do you prepare for potential emergency response situations?
I participate in regular training drills, stay updated on emergency response protocols, and maintain readiness by ensuring equipment is in working order and accessible.
Q3: Can you provide an example of a successful emergency response you were involved in?
I once responded to a chemical leak at a manufacturing plant, where I quickly assessed the situation, coordinated with local authorities, and implemented containment measures to minimize environmental impact.
Q4: What communication skills are important in emergency response situations?
Effective communication is crucial, including clear instructions to team members, accurate reporting to authorities, and providing updates to stakeholders throughout the response process.
Q5: How do you manage stress during emergency situations?
I stay calm, rely on my training, focus on the tasks at hand, and communicate clearly with my team to ensure a coordinated and effective response.
clean harbors Interview Questions and Answers
Updated 21 Feb 2026Chemical Engineer Interview Experience
Candidate: Emily R.
Experience Level: Mid Level
Applied Via: Online Application
Difficulty: Hard
Final Result: Rejected
Interview Process
3
Questions Asked
- Explain your experience with chemical waste treatment processes.
- How do you ensure compliance with environmental regulations in engineering projects?
- Describe a time you improved a process for safety or efficiency.
Advice
Prepare detailed technical examples and be ready for in-depth discussions on regulations and process improvements.
Full Experience
The process included a phone screen, a technical interview, and a final panel interview. The technical questions were challenging, focusing on both theory and practical applications. Although I was not selected, I gained valuable insight into the company's expectations.
Field Service Technician Interview Experience
Candidate: Michael T.
Experience Level: Entry Level
Applied Via: Job Fair
Difficulty: Easy
Final Result:
Interview Process
1
Questions Asked
- Are you comfortable working outdoors in various weather conditions?
- Do you have experience with equipment maintenance?
- How do you prioritize safety on the job?
Advice
Show enthusiasm for hands-on work and emphasize your commitment to safety.
Full Experience
I met the recruiter at a job fair and was invited for an on-the-spot interview. The questions were straightforward and focused on my willingness to work in the field and follow safety guidelines.
Project Manager Interview Experience
Candidate: Samantha K.
Experience Level: Senior Level
Applied Via: Recruiter Contact
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- How do you manage project timelines in hazardous environments?
- Describe your experience coordinating cross-functional teams.
- What tools do you use for project tracking?
Advice
Highlight your leadership skills and experience managing complex projects under strict regulations.
Full Experience
The recruiter first screened me over the phone, then I had a panel interview with senior management. They valued my experience in environmental projects and my problem-solving approach.
Health and Safety Specialist Interview Experience
Candidate: David L.
Experience Level: Mid Level
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
3
Questions Asked
- How do you conduct a risk assessment?
- Describe a challenging safety incident you managed.
- What strategies do you use to promote safety compliance among employees?
Advice
Have specific examples ready and be prepared for scenario-based questions.
Full Experience
The interview process was thorough with technical and behavioral questions. The final round involved a case study presentation. Although I didn't get the job, the experience helped me understand the company's high standards.
Environmental Technician Interview Experience
Candidate: Jessica M.
Experience Level: Entry Level
Applied Via: Online Application
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- Describe your experience with hazardous waste handling.
- How do you ensure compliance with environmental regulations?
- Tell me about a time you worked in a team to solve a problem.
Advice
Be prepared to discuss safety protocols and demonstrate your attention to detail.
Full Experience
The first round was a phone interview focusing on my background and safety knowledge. The second was an in-person interview with practical questions about environmental procedures. The team was friendly and emphasized the importance of safety culture.
Frequently Asked Questions in clean harbors
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in clean harbors
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Q: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?
Q: In mathematics country 1,2,3,4....,8,9 are nine cities. Cities which form a no. that is divisible by 3 are connected by air planes. (e.g. cities 1 & 2 form no. 12 which divisible by 3 then 1 is connected to city 2). Find the total no. of ways you can go to 8 if you are allowed to break the journeys.
Q: On a particular day A and B decide that they would either speak the truth or will lie. C asks A whether he is speaking truth or lying? He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"
Q: You have given two blank faced dice... on both dice on each face you write any number you want from 0 to 9. now you are sitting and somebody comes and ask you the date of current month. you have show two dice to tell him the date. is it possible If yes how
Q: There are 100 people in an organization. If 46 people can speak English, 46 Spanish, 58 French, 16 can speak both English and Spanish, 24 can speak both Spanish and French, 26 both English and French and 7 can speak all the languages.How many are there who cannot speak any of the three languages.
