Dry scraping definition
Dry scraping means scraping a surface that is partially coated with paint or other surface coating without moisture and includes hand and mechanical methods of scraping.
Grab sample means an individual sample collected in less than 15 minutes in conjunction with an instantaneous flow measurement.
Slug loading means any pollutant, including oxygen demanding pollutants, released in a discharge at a flow rate and/or pollutant concentration as to cause interference in the POTW.
Nitrogen oxides means nitric oxide and nitrogen dioxide, expressed as nitrogen dioxide (NO2);