| University of Massachusetts Cooperative Extension, Martha's Vineyard |
| Detection |
| Parameter | Method | Limit | Precision |
| Water Temperature | In field meter |
| Salinity | In field meter |
| Conductivity | In field meter |
| Dissolved Oxygen | In field meter |
| pH | In field meter |
| Clarity | Secchi disk |
| Nitrate-Nitrogen | Hach DR850 Colorimeter | 0.01 mg/L | >1% |
| Ammonium-Nitrogen | Hach DR850 Colorimeter | 0.01 mg/L | >1% |
| PON (only done occasionally) | CHN elemental analyzer | 10 ug N/L | >1% |
| TON (only done occasionally) | Persulfate digestion |
| Orotho Phosphate and Total Phophorus | Hach DR850 Colorimeter | 0.01 mg/L | >1% |
| POC (only done occasionally) | Hach DR850 Colorimeter | 10 ug N/L | 1% |
| Chlorophyll a (only done occasionally) | Spectrophotometric-cold 90% acetone extraction, acid correction | 1 meq/L |
| Funding | Public Events/Outreach |
| Annual Budget: | $10,000 | Great American Secchi Dip-In |
| Percent Funding by Source: |
| Federal: | 20% (RSVP) |
| State: | 20% (UMass extension) |
| Town: |
| Dues: |
| Foundation: | 60% |
| Business: |
| Other: |
| Contacts |
| UMass Cooperative Extension | Phone: | (508) 693-0694 |
| Bill Wilcox | FAX: | (508) 693-7894 |
| PO Box 1696 | Email: |
| Oak Bluffs, MA 02557- | WWW: |
| RSVP | Phone: | (508) 696-9010 |
| Bill Walker | FAX: |
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