Common use of Periphyton Sampling Clause in Contracts

Periphyton Sampling. Periphyton Sampling shall be conducted once every three years, beginning in fall 2006 at sites XXX-000, XXX-000 and EBR-004. Three (3) replicate periphyton samples shall be collected and analyzed at each monitoring site location. Substrates for periphyton sampling shall be selected in a random manner to the degree practical. Each replicate shall be a composite of several (no less than three) quantitative collections from natural substrates to minimize variation from microhabitat differences.

Periphyton Sampling. Periphyton Sampling sampling shall be conducted once every three years, beginning in fall 2006 at sites XXX-000, XXX-000 and EBR-0042005. Three (3) replicate periphyton samples shall be collected and analyzed at each monitoring site location. Substrates for periphyton sampling shall be selected in a random manner to the degree practical. Each replicate sample shall be a composite of several (no less than three) quantitative collections from natural substrates to minimize variation variations from microhabitat differences.

Periphyton Sampling. Periphyton Sampling shall be conducted once every three years, beginning in fall 2006 at sites XXX-000EBR-002, XXX-000 EBR-003 and EBR-004. Three (3) replicate periphyton samples shall be collected and analyzed at each monitoring site location. Substrates for periphyton sampling shall be selected in a random manner to the degree practical. Each replicate shall be a composite of several (no less than three) quantitative collections from natural substrates to minimize variation from microhabitat differences.