Response options: Oil/fuel spills, Tar ponds, Nuclear/power plants, Oil refinery/oil sites, Pulp/paper mill, Mine/mining site, Tire dump/auto wrecking yard, Industrial/factory site not specified as inactive, Transportation-related site (various), Type of contamination, Other, DK/NA
Response options: Oil/fuel spills, Tar ponds, Nuclear/power plants, Oil refinery/oil sites, Pulp/paper mill, Mine/mining site, Tire dump/auto wrecking yard, Industrial/factory site not specified as inactive, Transportation-related site (various), Type of contamination, Other, DK/NA
Response options: Less than 5 hours per week, 5 to less than 15 hours per week, 15 to less than 30 hours per week, 30 hours per week or more, Valid skip, Don't know, Refusal, Not stated
Response options: Oil/fuel spills, Tar ponds, Nuclear/power plants, Oil refinery/oil sites, Pulp/paper mill, Mine/mining site, Tire dump/auto wrecking yard, Industrial/factory site not specified as inactive, Transportation-related site (various), Type of contamination, Other, DK/NA