2026_Biosolids_Content.xls
XLS spreadsheet 138 KB Posted
- Attached to
- Biosolids Beneficial Use
- Solicitation number
- 2026-RFP-189
- Issued by
- Pierce County, Washington
About this file
This file is a 2026 Biosolids Content data summary from Chambers Creek Regional Wastewater Treatment Plant in Pierce County, Washington, documenting the chemical and physical composition of Class A and Class B biosolids generated by the facility. The data represents monthly testing results for Class A biosolids across ten months (May through December) and Class B cake biosolids across twelve months (January through December), with measurements conducted using EPA-approved methods such as SW-846 protocols for metal analysis and standard methods for nutrient and microbial testing. Key parameters analyzed include heavy metals (arsenic, cadmium, chromium, copper, lead, mercury, nickel, selenium, and zinc), macro-nutrients (nitrogen, phosphorus, and potassium), moisture content, pH, and fecal coliform levels. The data demonstrates compliance monitoring for biosolids land application limits, with all measured metals and constituents remaining well below regulatory thresholds for Class A biosolids beneficial use.
The Class A biosolids data shows average metal concentrations ranging from 1.08 to 64.3 mg/kg, with fecal coliform levels below detectable limits and moisture content averaging approximately 90 percent. Class B cake biosolids present higher contaminant levels requiring more restrictive land application practices. Monitoring includes both contract laboratory analysis and in-house testing conducted according to Standard Methods for the Examination of Water and Wastewater. The data indicates that moisture content represents a significant variable affecting biosolids volume and handling characteristics, while nutrient content (particularly nitrogen at 34,100–50,700 mg/kg and phosphorus at 18,600–22,800 mg/kg) supports the beneficial use classification for land application. This comprehensive data set supports Pierce County's RFP 2026-RFP-189 for biosolids beneficial use and processing services, with the contractor obligated to handle approximately 5,000 wet tons annually in compliance with Washington Department of Ecology Biosolids General Permit requirements.
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Other files
| File | Type | Posted |
|---|---|---|
| Biosolids_Beneficial_Use_(Addendum_#1_Revision).pdf | ||
| 2025_Biosolids_Content.xls | XLS spreadsheet | |
| 2024_Biosolids_Content.xls | XLS spreadsheet | |
| Biosolids_Beneficial_Use.pdf | ||
| Sample_Agreement.docx | DOCX document | |
| Pricing_proposal.pdf |
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Class A Biosolids
| 2026 | ||||||||||||||||||||||||||||||
| Chambers Creek Regional WWTP Class A EQ Biosolids Data Summary | ||||||||||||||||||||||||||||||
| METALS | METHOD | Detection Limit | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg. | Max. | Biosolid Land application | % of application limit | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Arsenic (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 4.33 | 4.39 | 4.13 | 3.85 | 4.58 | 4.26 | 4.58 | 41 | 10 | 4.33 | 4.39 | 4.13 | 3.85 | 4.58 | |||||||||||
| Boron (mg/kg) | SW-846 6010D | 5.63 | N/A | N/A | N/A | 31.8 | 29.00 | 26.6 | 22.2 | 6.2 | 23.2 | 31.8 | 31.80 | 29.00 | 26.60 | 22.20 | 6.20 | |||||||||||||
| Cadmium (mg/kg) | SW-846 6010D | 0.141 | N/A | N/A | N/A | 0.86 | 0.95 | 0.95 | 0.89 | 1.68 | 1.07 | 1.68 | 39 | 3 | 0.86 | 0.95 | 0.95 | 0.89 | 1.68 | |||||||||||
| Chromium (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 59.7 | 60.5 | 64.3 | 53.0 | 55.7 | 58.6 | 64.3 | 59.70 | 60.50 | 64.30 | 53.00 | 55.70 | |||||||||||||
| Copper (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 248 | 259 | 276 | 246 | 253 | 256 | 276 | 1500 | 17 | 248.00 | 259.00 | 276.00 | 246.00 | 253.00 | |||||||||||
| Cobalt (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 1.48 | 1.37 | 1.08 | 1.21 | 1.19 | 1.27 | 1.48 | 1.48 | 1.37 | 1.08 | 1.21 | 1.19 | |||||||||||||
| Mercury (mg/kg) | SW-846 7471B | 0.06 | N/A | N/A | N/A | 0.273 | 0.216 | 0.376 | 0.474 | 0.128 | 0.29 | 0.474 | 17 | 2 | 0.27 | 0.22 | 0.38 | 0.47 | 0.13 | |||||||||||
| Potassium (mg/kg) | SW-846 6010D | 28.2 | N/A | N/A | N/A | 1,630 | 1,670 | 1,740 | 1,630 | 1,580 | 1,650 | 1,740 | 1,630.00 | 1,670.00 | 1,740.00 | 1,630.00 | 1,580.00 | |||||||||||||
| Molybdenum (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 11.6 | 11.6 | 13.1 | 11.1 | 12.7 | 12.0 | 13.1 | 75 | 16 | 11.60 | 11.60 | 13.10 | 11.10 | 12.70 | |||||||||||
| Nickel (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 9.75 | 15.0 | 12.9 | 11.7 | 11.0 | 12.07 | 15.0 | 420 | 3 | 9.75 | 15.00 | 12.90 | 11.70 | 11.00 | |||||||||||
| Lead (mg/kg) | SW-846 6010D | 2.82 | N/A | N/A | N/A | 7.05 | 6.96 | 7.29 | 7.59 | 5.44 | 6.87 | 7.6 | 300 | 2 | 7.05 | 6.96 | 7.29 | 7.59 | 5.44 | |||||||||||
| Selenium (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 9.86 | 9.08 | 12.70 | 7.78 | 8.96 | 9.68 | 12.70 | 100 | 10 | 9.86 | 9.08 | 12.70 | 7.78 | 8.96 | |||||||||||
| Silver (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 1.59 | 1.70 | 1.69 | 2.06 | 2.44 | 1.90 | 2.44 | 1.59 | 1.70 | 1.69 | 2.06 | 2.44 | |||||||||||||
| Zinc (mg/kg) | SW-846 6010D | 1.41 | N/A | N/A | N/A | 584 | 602 | 688 | 609 | 612 | 619 | 688 | 2800 | 22 | 584.00 | 602.00 | 688.00 | 609.00 | 612.00 | |||||||||||
| Iron (mg/kg) | SW-846 6010D | 2.82 | N/A | N/A | N/A | 3,930 | 3,530 | 4,080 | 3,120 | 3,730 | 3,678 | 4,080 | 3,930.00 | 3,530.00 | 4,080.00 | 3,120.00 | 3,730.00 | |||||||||||||
| Calcium (mg/kg) | SW-846 6010D | 56.3 | N/A | N/A | N/A | 17,500 | 15,200 | 20,000 | 14,400 | 17,200 | 16,860 | 20,000 | 17,500.00 | 15,200.00 | 20,000.00 | 14,400.00 | 17,200.00 | |||||||||||||
| Magnesium (mg/kg) | SW-846 6010D | 56.3 | N/A | N/A | N/A | 7,640 | 7,530 | 8,810 | 7,580 | 7,750 | 7,862 | 8,810 | 7,640.00 | 7,530.00 | 8,810.00 | 7,580.00 | 7,750.00 | |||||||||||||
| Ammonia (mg/kg) | Plumb 1981 | 29 | N/A | N/A | N/A | 8,120 | 7,840 | 7,660 | 7,720 | 7,660 | 7,800 | 8,120 | 8,120.00 | 7,840.00 | 7,660.00 | 7,720.00 | 7,660.00 | |||||||||||||
| TN (mg/kg) | SM 4500 N C | 29 | N/A | N/A | N/A | 43,400 | 42,600 | 34,200 | 34,100 | 50,700 | 41,000 | 50,700 | 43,400.00 | 42,600.00 | 34,200.00 | 34,100.00 | 50,700.00 | |||||||||||||
| Total Phosphorous (mg/kg) | SM 4500 P F | 2.9 | N/A | N/A | N/A | 18,600 | 22,800 | 21,700 | 19,700 | 19,300 | 20,420 | 22,800 | 18,600.00 | 22,800.00 | 21,700.00 | 19,700.00 | 19,300.00 | |||||||||||||
| Nitrate + Nitrite (mg/kg) | SM4500 NO3 F | 2.9 | N/A | N/A | N/A | 2.5 | 7.6 | <0.7 | 1.7 | 1.6 | 2.82 | 7.6 | 2.50 | 7.60 | 0.70 | 1.70 | 1.60 | |||||||||||||
| VAR-Monthly Avg % TS (>90%) 173-308-180(6) | SM 2540G | 89 | 90 | 90 | 91 | 90 | 91 | 90 | 90 | 92 | 89.37 | 90.09 | 90.46 | 91.28 | 90.35 | 90.88 | 90.08 | |||||||||||||
| Fecal Coliform (MPN/100g)* - Contract lab | SM 9221 E | 2 | ||||||||||||||||||||||||||||
| Fecal Coliform (MPN/g) - in-house | SM 9221 E | 25.8 | 26 | 19 | 4 | 4 | 26 | 14 | 16.79 | 25.8 | 25.78 | 25.57 | 18.86 | 3.63 | 3.67 | 25.57 | 14.45 | |||||||||||||
| pH (S.U.) | SW-846 9045 D | 1 | N/A | N/A | N/A | 7.1 | 7.0 | 7.3 | 6.8 | 7.4 | 7.12 | 7.4 | 7.10 | 7.00 | 7.30 | 6.80 | 7.40 | |||||||||||||
| *Fecal Coliform: results are in MPN/100g as numbers per 1G are too low to quantify per contract lab | l | |||||||||||||||||||||||||||||
| **VAR changed from (>38% option 1) to (>90% option 6) per DOE | ||||||||||||||||||||||||||||||
| ***Ammonia changed from Total Ammonia to Available Ammonia per DOE request June 2020 | ||||||||||||||||||||||||||||||
| ****Average calculations do NOT include 1/2 reporting limit for less than results. |
Class B Cake
| 2026 | |||||||||||||||||||||
| Pierce County Chambers Creek Regional WWTP Class B Cake Data Summary | |||||||||||||||||||||
| METALS | METHOD | Detection Limit | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg. | Max. | Biosolid Land application | % of application limit | |||
| Arsenic (mg/kg) | SW-846 6010D | 1.41 | 5.93 | 5.43 | 3.48 | 4.87 | 5.08 | 5.21 | 3.59 | 4.71 | 4.31 | 4.73 | 5.93 | 41 | 12 | ||||||
| Boron (mg/kg) | SW-846 6010D | 5.63 | <8.11 | 53.0 | 42.0 | 44.4 | 35.0 | 32.70 | 25.5 | 29.6 | 8.6 | 31.0 | 53.0 | ||||||||
| Cadmium (mg/kg) | SW-846 6010D | 0.141 | 1.00 | 0.99 | 0.82 | 0.98 | 1.11 | 1.09 | 0.96 | 0.99 | 1.35 | 1.03 | 1.35 | 39 | 3 | ||||||
| Chromium (mg/kg) | SW-846 6010D | 1.41 | 59.6 | 60.9 | 50.7 | 63.3 | 65.9 | 65.6 | 62.8 | 61.0 | 66.8 | 61.8 | 66.8 | ||||||||
| Copper (mg/kg) | SW-846 6010D | 1.41 | 291 | 283 | 225 | 276 | 281 | 303 | 272 | 300 | 299 | 281 | 303 | 1500 | 19 | ||||||
| Cobalt (mg/kg) | SW-846 6010D | 1.41 | <2.70 | <2.40 | <1.97 | <2.41 | <2.73 | <2.19 | <2.33 | <2.56 | <2.83 | 2.46 | 2.83 | ||||||||
| Mercury (mg/kg) | SW-846 7471B | 0.06 | 1.00 | 0.86 | 0.64 | 0.50 | 0.57 | 0.23 | 0.70 | 0.63 | 0.21 | 0.59 | 1.00 | 17 | 3 | ||||||
| Potassium (mg/kg) | SW-846 6010D | 28.2 | 2,440 | 2,260 | 1,630 | 1,870 | 1,930 | 1,950 | 1,810 | 1,850 | 1,900 | 1,960 | 2,440 | ||||||||
| Molybdenum (mg/kg) | SW-846 6010D | 1.41 | 14.6 | 13.3 | 10.1 | 13.2 | 14.4 | 14.2 | 13.4 | 13.4 | 14.1 | 13.4 | 14.6 | 75 | 18 | ||||||
| Nickel (mg/kg) | SW-846 6010D | 1.41 | 12.1 | 13.5 | 11.9 | 13.00 | 6.23 | 14.90 | 12.8 | 13.5 | 13.7 | 12.40 | 14.9 | 420 | 3 | ||||||
| Lead (mg/kg) | SW-846 6010D | 2.82 | 12.4 | 8.58 | 5.85 | 11.5 | 8.5 | 8.2 | 8.3 | 10.60 | 6.1 | 8.9 | 12.4 | 300 | 3 | ||||||
| Selenium (mg/kg) | SW-846 6010D | 1.41 | 7.65 | 8.75 | 5.66 | 7.2 | 10.90 | 8.82 | 10.60 | 9.59 | 6.50 | 8.41 | 10.9 | 100 | 8 | ||||||
| Silver (mg/kg) | SW-846 6010D | 1.41 | 1.70 | 1.77 | 1.43 | 1.73 | 2.43 | 1.88 | <4.65 | 2.25 | 1.96 | 2.20 | <4.65 | ||||||||
| Zinc (mg/kg) | SW-846 6010D | 1.41 | 784 | 741 | 556 | 672 | 698 | 715 | 705 | 738 | 710 | 702 | 784 | 2800 | 25 | ||||||
| Iron (mg/kg) | SW-846 6010D | 2.82 | 4,460 | 4,390 | 3,590 | 4,520 | 4,500 | 4,280 | 3,940 | 4,090 | 4,130 | 4,211 | 4,520 | ||||||||
| Calcium (mg/kg) | SW-846 6010D | 56.3 | 21,700 | 20,700 | 16,200 | 19,800 | 19,200 | 18,800 | 20,100 | 19,300 | 21,300 | 19,678 | 21,700 | ||||||||
| Magnesium (mg/kg) | SW-846 6010D | 56.3 | 11,200 | 10,600 | 8,120 | 8,510 | 8,800 | 9,160 | 8,210 | 8,800 | 8,640 | 9,116 | 11,200 | ||||||||
| Total Sulfur (mg/kg) | SW-846 6010D | 8,020 | 7,940 | 6,020 | 8,690 | 8,470 | 8,590 | 7,420 | 8,270 | 8,340 | 7,973 | 8,690 | |||||||||
| *Ammonia (mg/kg) | Plumb 1981 | 29 | 14,000 | 15,100 | 15,100 | 16,500 | 18,200 | 14,000 | 15,200 | 14,900 | 15,900 | 15,433 | 18,200 | ||||||||
| TN (TKN) (mg/kg) | SM 4500-N C | 29 | 71,600 | 78,000 | 71,400 | 73,500 | 77,400 | 73,100 | 73,200 | 53,300 | 73,000 | 71,611 | 78,000 | ||||||||
| Total Phosphorous (mg/kg) | SM 4500-PF | 2.9 | 22,300 | 21,000 | 24,100 | 22,200 | 21,600 | 22,300 | 26,100 | 22,300 | 20,900 | 22,533 | 26,100 | ||||||||
| Nitrate (mg/kg) | SM4500 NO3-F | 2.9 | <4.3 | <5.5 | <5.8 | <5.6 | <6.1 | <7.2 | <4.6 | <5.2 | <5.9 | 5.58 | <7.2 | ||||||||
| VAR-Avg % (>38%) | |||||||||||||||||||||
| 173-308-180(1) | SM 2540G | 70 | 69 | 70 | 67 | 64 | 63 | 66 | 67 | 63 | 63 | 66 | 71 | ||||||||
| Avg % Total Solids | SM 2540 G | 18.7 | 19.4 | 19.2 | 18.5 | 18.6 | 19.5 | 19.3 | 18.8 | 19.3 | 19.3 | 19.0 | 20.2 | ||||||||
| pH (S.U.) | SW-846 9045 D | 7.8 | 7.9 | 7.4 | 7.9 | 7.1 | 7.8 | 7.6 | 8.0 | 8.3 | 7.8 | 8.3 | |||||||||
| *Ammonia changed to Available Ammonia (KCl extract) June 2020 per DOE request. | l |
SoundGRO Fertilizer
| 2026 | ||||||||||||||||||||||||||||||||
| SoundGRO Fertilizer Data Summary | ||||||||||||||||||||||||||||||||
| Fertilizer Registration Metal limits | METALS | METHOD | Detection Limit | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg. | Max. | % of registration limit | Biosolid Land application | % of application limit | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 40.0 | Arsenic (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 4.33 | 4.39 | 4.13 | 3.85 | 4.58 | 4.26 | 4.58 | 11 | 41 | 10 | 4.33 | 4.39 | 4.13 | 3.85 | 4.58 | |||||||||||
| Boron (mg/kg) | SW-846 6010D | 0.540 | N/A | N/A | N/A | 31.8 | 29.00 | 26.6 | 22.2 | 6.2 | 23.2 | 31.8 | 31.80 | 29.00 | 26.60 | 22.20 | 6.20 | |||||||||||||||
| 10.0 | Cadmium (mg/kg) | SW-846 6010D | 0.027 | N/A | N/A | N/A | 0.86 | 0.95 | 0.95 | 0.89 | 1.68 | 1.07 | 1.68 | 11 | 39 | 3 | 0.86 | 0.95 | 0.95 | 0.89 | 1.68 | |||||||||||
| Chromium (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 59.7 | 60.5 | 64.3 | 53.0 | 55.7 | 58.6 | 64.3 | 59.70 | 60.50 | 64.30 | 53.00 | 55.70 | |||||||||||||||
| Copper (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 248 | 259 | 276 | 246 | 253 | 256 | 276 | 1500 | 17 | 248.00 | 259.00 | 276.00 | 246.00 | 253.00 | |||||||||||||
| 10.0 | Cobalt (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 1.48 | 1.37 | 1.08 | 1.21 | 1.19 | 1.27 | 1.48 | 13 | 1.48 | 1.37 | 1.08 | 1.21 | 1.19 | |||||||||||||
| 3.0 | Mercury (mg/kg) | SW-846 7471B | 0.01 | N/A | N/A | N/A | 0.273 | 0.216 | 0.376 | 0.474 | 0.128 | 0.29 | 0.474 | 10 | 17 | 2 | 0.27 | 0.22 | 0.38 | 0.47 | 0.13 | |||||||||||
| Potassium (mg/kg) | SW-846 6010D | 5.4 | N/A | N/A | N/A | 1,630 | 1,670 | 1,740 | 1,630 | 1,580 | 1,650 | 1,740 | 1,630.00 | 1,670.00 | 1,740.00 | 1,630.00 | 1,580.00 | |||||||||||||||
| 90.0 | Molybdenum (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 11.6 | 11.6 | 13.1 | 11.1 | 12.7 | 12.0 | 13.1 | 13 | 75 | 16 | 11.60 | 11.60 | 13.10 | 11.10 | 12.70 | |||||||||||
| 30.0 | Nickel (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 9.75 | 15.0 | 12.9 | 11.7 | 11.0 | 12.1 | 15.0 | 40 | 420 | 3 | 9.75 | 15.00 | 12.90 | 11.70 | 11.00 | |||||||||||
| 75.0 | Lead (mg/kg) | SW-846 6010D | 0.540 | N/A | N/A | N/A | 7.05 | 6.96 | 7.29 | 7.6 | 5.44 | 6.87 | 7.6 | 9 | 300 | 2 | 7.05 | 6.96 | 7.29 | 7.60 | 5.44 | |||||||||||
| 22.0 | Selenium (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 9.86 | 9.08 | 12.70 | 7.78 | 8.96 | 9.68 | 12.70 | 44 | 100 | 10 | 9.86 | 9.08 | 12.70 | 7.78 | 8.96 | |||||||||||
| Silver (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 1.59 | 1.70 | 1.69 | 2.06 | 2.44 | 1.90 | 2.44 | 1.59 | 1.70 | 1.69 | 2.06 | 2.44 | |||||||||||||||
| 2000 | Zinc (mg/kg) | SW-846 6010D | 0.270 | N/A | N/A | N/A | 584 | 602 | 688 | 609 | 612 | 619 | 688 | 31 | 2800 | 22 | 584.00 | 602.00 | 688.00 | 609.00 | 612.00 | |||||||||||
| Iron (mg/kg) | SW-846 6010D | 0.540 | N/A | N/A | N/A | 3,930 | 3,530 | 4,080 | 3,120 | 3,730 | 3,678 | 4,080 | 3,930.00 | 3,530.00 | 4,080.00 | 3,120.00 | 3,730.00 | |||||||||||||||
| Calcium (mg/kg) | SW-846 6010D | 10.8 | N/A | N/A | N/A | 17,500 | 15,200 | 20,000 | 14,400 | 17,200 | 16,860 | 20,000 | 17,500.00 | 15,200.00 | 20,000.00 | 14,400.00 | 17,200.00 | |||||||||||||||
| Magnesium (mg/kg) | SW-846 6010D | 10.8 | N/A | N/A | N/A | 7,640 | 7,530 | 8,810 | 7,580 | 7,750 | 7,862 | 8,810 | 7,640.00 | 7,530.00 | 8,810.00 | 7,580.00 | 7,750.00 | |||||||||||||||
| Guaranteed: | ||||||||||||||||||||||||||||||||
| 5.0 N | Nitrogen (%N) | fertilizer analysis | N/A | N/A | N/A | 6.93 | 7.16 | 7.13 | 6.92 | 6.65 | 6.96 | 7.16 | 139 | 6.93 | 7.16 | 7.13 | 6.92 | 6.65 | ||||||||||||||
| 5.0 P2O5 | Available Phosphate (% P2O5) | fertilizer analysis | N/A | N/A | N/A | 4.77 | 4.77 | 4.94 | 4.89 | 4.98 | 4.87 | 4.98 | 97 | 4.77 | 4.77 | 4.94 | 4.89 | 4.98 | ||||||||||||||
| VAR-Monthly Avg %TS (>90%) 173-308-180(6) | SM 2540G | 89 | 90 | 90 | 91 | 90 | 91 | 90 | 90 | 92 | 120 | 89.37 | 90.09 | 90.46 | 91.28 | 90.35 | 90.88 | 90.08 | ||||||||||||||
| Fecal Coliform (MPN/g) - in-house | SM 9221 E | 2 | 25.8 | 26 | 19 | 4 | 4 | 26 | 14 | 17 | 26 | 25.78 | 25.57 | 18.86 | 3.63 | 3.67 | 25.57 | 14.45 | ||||||||||||||
| pH (S.U.) | SW-846 9045 D | N/A | N/A | N/A | 7.1 | 7.0 | 7.3 | 6.8 | 7.4 | 7.12 | 7.4 | 7.10 | 7.00 | 7.30 | 6.80 | 7.40 | ||||||||||||||||
| *Fecal Coliform:results are in MPN/100g as numbers per 1G are too low to quantify per contract lab | l | |||||||||||||||||||||||||||||||
| **VAR changed from (>38% option 1) to (>90% option 6) per DOE | ||||||||||||||||||||||||||||||||
| ***Average calculations do NOT include 1/2 reporting limit for less than results. |
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