In rural areas and small cities, they may be responsible for a wide range of environmental health activities. Agricultural commodity graders apply quality standards to aid the buying and selling of commodities and to insure that retailers and consumers receive wholesome and reliable products. They generally specialize in an area such as eggs and egg products, meat, poultry, processed or fresh fruits and vegetables, grain, tobacco, cotton, or dairy products. They examine product samples to determine quality and grade, and issue official grading certificates. Graders also may inspect the plant and equipment to maintain sanitation standards.
Regulatory inspectors insure compliance with laws and regulations that protect the public welfare.
Immigration inspectors interview and examine people seeking to enter the United States and its territories. They inspect passports to determine whether people are legally eligible to enter and to verify their citizenship status and identity. Immigration inspectors also prepare reports, maintain records, and process applications and petitions for immigration or temporary residence in the United States. Customs inspectors enforce laws governing imports and exports. Stationed at airports, seaports, and border crossing points, they examine, count, weigh, gauge, measure, and sample commercial cargoes entering and leaving the United States to determine admissibility and the amount of tax that must be paid.