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DRINKING WATER CONTAINERS AND HOLDING TIMES |
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| Parameter | Sample Volume | Container Size | Preservative | Holding Time |
| Chloride | 50ml | 250ml HDPE | None Required | 28 Days |
| Color | 50ml | 250ml HDPE | Cool 4º C | 48 Hours |
| Cyanide | 500ml | 500ml HDPE | NaOH, Cool 4º C | 14 Days |
| Drinking Water, Primary Inorganics | 1250ml | 1-250ml HNO3, 1-500ml NaOH, 1-500ml Non Pres. | Cool 4º C | 48 hrs |
| Drinking Water, Primary and Secondary Inorganics | 1750ml | 1-250ml HNO3, 1-500ml NaOH, 2-500ml Non Pres. | Cool 4º C | 48 hrs |
| Drinking water, Bacteria | 100ml | Bacteria Bottle | Na2S2O3 Cool 4º C | 30 hrs |
| Fluoride | 300ml | 500ml HDPE | None Required | 28 Days |
| Hardness | 100ml | 250ml HDPE | HNO3 | 6 Months |
| Mercury by Cold Vapor | 100ml | 250ml HDPE | HNO3 | 28 Days |
| Metals (ICP, GFAA) | 100ml | 250ml HDPE | HNO3 | 6 Months |
| Nitrate (NO3) | 100ml | 250ml HDPE | Cool 4º C | 48 hrs |
| Nitrite (NO2) | 50ml | 250ml HDPE | Cool 4º C | 48 hrs |
| Solids,Total Dissolved | 100ml | 500ml HDPE | Cool 4º C | 7 Days |
| Sulfate | 100ml | 250ml HDPE | Cool 4º C | 28 Days |
| Turbidity | 100ml | 250ml HDPE | Cool 4º C | 48 hrs |
| It is important that you read through the sampling instructions for each group of tests completely, please contact us for a copy if you do not have one. | ||||