| Growing Greener Grant: April 2002 Data | ||||||||||
| PHILADELPHIA WATER DEPARTMENT | ||||||||||
| BUREAU OF LABORATORY SERVICES | ||||||||||
| Herbicides Analysis by Method 515.3 | ||||||||||
| All results reported in ppb (ug/L) | ||||||||||
| Greystone | Greystone Pipe | Ridings | Wissahickon North | Wissahickon North Creek | Robbins Park Headwall | Robbins Park Picnic Area | Robbins Park Headwall "Creek" | Meadowbrook | Meadowbrook | |
| "Creek" | ||||||||||
| Collection Date: | 4/26/02 | 4/26/02 | 4/26/02 | 4/26/02 | 4/26/02 | 4/23/02 | 4/28/02 | 4/26/02 | 4/26/02 | 4/26/02 |
| Extraction Date: | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 | 5/7/02 |
| Analysis Date: | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 | 5/9/02 |
| Dalapon | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| 3,5-DCBA | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Dicamba | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| MCPA | <12.5 | <12.5 | <1.25 | <12.5 | <12.5 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Dichlorprop | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| 2,4-D | 4.01 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Triclopyr | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Pentachlorophenol | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Silvex | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| 2,4,5-T | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| 4,6-DNOC | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| 2,4-DB | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Chloramben | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Dinoseb | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Bentazon | 1.76 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| DCBA Metablolites | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Picloram | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Acifluorfen | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 | <1.25 |
| Surrogate Standard | 81% | 90% | 94% | 88% | 86% | 96% | 89% | 85% | 87% | 85% |