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The differences between petroleum inspectors and inspectors general can be seen in a few details. Each job has different responsibilities and duties. Additionally, a petroleum inspector has an average salary of $48,415, which is higher than the $48,026 average annual salary of an inspector general.
The top three skills for a petroleum inspector include regular communication, API and ladders. The most important skills for an inspector general are IG, OIG, and DOD.
| Petroleum Inspector | Inspector General | |
| Yearly salary | $48,415 | $48,026 |
| Hourly rate | $23.28 | $23.09 |
| Growth rate | -3% | -3% |
| Number of jobs | 17,162 | 58,208 |
| Job satisfaction | 3 | - |
| Most common degree | Bachelor's Degree, 32% | Bachelor's Degree, 49% |
| Average age | 45 | 45 |
| Years of experience | - | - |
Petroleum Inspectors are responsible for examining petroleum shipments to ensure they meet contract specifications. Their duties include examining samples during petroleum tank transfer for water or discoloration, withdrawing samples from the petroleum tank, and conducting laboratory analysis on bottled, stored samples. They also use calibration tables to quantify consignments and sounding shore tanks using steel tape. Petroleum inspectors may conduct calibration on meters and tanks. Petroleum inspectors ensure that shipments passing through adhere to performance and safety regulations.
An inspector general is responsible for doing audit reports and inspections to ensure that no possible fraud, misconduct, corruption, or power abuse in the government or private sector occurs. Their role is to monitor and inspect the agencies' effectiveness, assess possible mismanagement of a company, and improve the economy. Also, they usually conduct and review audit reports or investigations to ensure an agency's compliance to the policies and guidelines.
Petroleum inspectors and inspectors general have different pay scales, as shown below.
| Petroleum Inspector | Inspector General | |
| Average salary | $48,415 | $48,026 |
| Salary range | Between $29,000 And $78,000 | Between $30,000 And $74,000 |
| Highest paying City | Linden, NJ | Washington, DC |
| Highest paying state | Connecticut | Connecticut |
| Best paying company | Intertek | MKP Capital Management |
| Best paying industry | Technology | Government |
There are a few differences between a petroleum inspector and an inspector general in terms of educational background:
| Petroleum Inspector | Inspector General | |
| Most common degree | Bachelor's Degree, 32% | Bachelor's Degree, 49% |
| Most common major | Business | Business |
| Most common college | - | - |
Here are the differences between petroleum inspectors' and inspectors general' demographics:
| Petroleum Inspector | Inspector General | |
| Average age | 45 | 45 |
| Gender ratio | Male, 95.7% Female, 4.3% | Male, 69.2% Female, 30.8% |
| Race ratio | Black or African American, 13.6% Unknown, 4.2% Hispanic or Latino, 24.0% Asian, 7.7% White, 49.6% American Indian and Alaska Native, 0.7% | Black or African American, 13.0% Unknown, 4.9% Hispanic or Latino, 17.2% Asian, 8.3% White, 55.8% American Indian and Alaska Native, 0.8% |
| LGBT Percentage | 4% | 4% |