关键词：水质 标准 环境 水质标准 环境水质
WATER QUALITY
Ambient Water Quality Guidelines for Boron
Summary
This document is one in a series that establishes ambient water quality guidelines (Table 1). This document is mainly based on a report prepared by the Ministry of Water, Land and Air Protection for the Canadian Council of Ministers of the Environment (CCME). It sets guidelines for boron (B) to protect drinking water, freshwater and marine aquatic life, and agricultural water uses.
Table 1: Recommended Guidelines for Boron
| Water Use |
Guideline (Total B) |
| Drinking Water |
5.0 mg/L |
Aquatic Life
 Freshwater
Marine |
1.2 mg/L
1.2 mg/L
|
| Wildlife |
5.0 mg/L |
| Irrigation |
0.5 - 6.0 (depends upon crop. See Table 2) |
| Livestock Watering |
5.0 mg/L |
Table 2: Recommended Irrigation Water Guidelines
| Tolerance |
Boron in Irrigation
Water (mg/L) |
Agricultural Crop |
| Very sensitive |
< 0.5 |
Blackberry |
| Sensitive |
0.5 - 1.0 |
Peach, cherry, plum, grape, cowpea, onion, garlic, sweet potato, wheat, barley, sunflower, mung bean, sesame, lupin, strawberry, Jerusalem artichoke, kidney bean, lima bean |
Moderately
sensitive |
1.0 - 2.0 |
Red pepper, pea, carrot, radish, potato, cucumber |
Moderately
tolerant |
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