| Analytical Parameters | Sampling Requirements |
|---|---|
| Acidity - Total as CaCO3 | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding time 14 days. |
| Alkalinity - Total | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding time 14 days. |
| Alkalinity - CO3,HCO3,OH | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding time 14 days. |
| Asbestos (bulk) | Please call for instructions. |
| Chemical Oxygen Demand (COD) | 1 - 500 mL HDPE bottle. Preserve with H2SO4 to pH<2 and cool to 6 °C. Holding time 28 days. |
| Chromium, hexavalent * | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding time 24 hr. |
| Cyanide - Total (water) | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>12 and cool to 6 °C (if the sample has been chlorinated, add 0.6 g ascorbic acid). Holding time 14 days. |
| Cyanide - Total (soil) | 1 - 8 oz. soil jar. Cool to 6 °C. No preservation needed. Holding time 14 days. |
| Cyanide - Weak Acid Dissociable (WAD) (water) | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>12 and cool to 6 °C. Holding time 14 days. |
| Cyanide - Amenable to Chlorination | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>12 and cool to 6 °C (if the sample has been chlorinated, add 0.6 g ascorbic acid). Holding time 14 days. |
| Cyanide - Free (water) | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>12 and cool to 6 °C. Holding time 14 days. |
| Cyanide - Reactive (water) | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>12 and cool to 6 °C. Holding time 14 days. |
| Cyanide - Reactive (soil) | 1 - 8 oz. soil jar. Cool to 6 °C. No preservation needed. Holding time 14 days. |
| Anions: Chloride, Fluoride, Sulfate, Nitrate, Nitrite, Bromide, Ortho-Phosphate, Thiocyanate | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding times are 48 hr for nitrate and nitrite and 28 days for the remaining anions. |
| MBAS (Surfactants) | 1 - 1000 mL plastic bottle. Cool to 6 °C. No preservation needed. Holding time 48 hr. |
| Nitrogen - Ammonia | 1 - 500 mL HDPE bottle. Preserve with H2SO4 to pH<2 and cool to 6 °C. Holding time 28 days. |
| Nitrogen - Nitrate + Nitrite (by method 353.2) | 1 - 500 mL HDPE bottle. Preserve with H2SO4 to pH<2 and cool to 6 °C. Holding time 28 days. |
| Nitrogen - sum of Nitrate + Nitrite (by method 300.0) | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding time 48 hr. |
| Nitrogen - Total Kjeldahl (TKN) | 1 - 500 mL HDPE bottle. Preserve with H2SO4 to pH<2 and cool to 6 °C. Holding time 28 days. |
| Oil and Grease (water) | 1 - 1000 mL amber glass bottle. Preserve with HCl to pH<2 and cool to 6 °C. Holding time 28 days. |
| Phenols (Total) | 1 - 500 mL amber glass bottle. Preserve with H2SO4 to pH<2 and cool to 6 °C. Holding time 28 days. |
| Phosphate (Ortho) | 1 - 500 mL HDPE bottle. Cool to 6 °C. No preservation needed. Holding time 48 hr. |
| Phosphorus - Total | 1 - 500 mL HDPE bottle. Preserve with H2SO4 to pH<2 and cool to 6 °C. Holding time 28 days. |
| Specific Gravity | 1 - 8 oz. soil jar. Cool to 6 °C. No preservation needed. |
| Sulfide - Acid Volatile Sulfide (AVS) | Please call for instructions. |
| Sulfide - Hydrogen Sulfide | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>9, add 2 mL of zinc acetate and cool to 6 °C. Holding time 7 days. |
| Sulfide - Reactive Sulfide (water) | 1 - 500 mL HDPE bottle. Preserve with NaOH to pH>9, add 2 mL of zinc acetate and cool to 6 °C. Holding time 7 days. |
| Sulfide - Reactive Sulfide (soil) | 1 - 8 oz. soil jar. Cool to 6 °C. No preservation needed. Holding time 7 days. |
| Arsenic Speciation (As+3As+5) | 1 - 500 mL HDPE bottle. Preserve with 1 mL of concentrated HCl for every 100 mL of sample. Reduce headspace and cool to 6 °C. |
Inorganics
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