Direct Sampling : Sampling in situations where there is a direct connection between the medium to be sampled and the analytical unit (i.e. in-line or on-line instrument)
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}