24-8279_-_Exhibit_J_-_20240516_Collier_NCRWTP_NF_Upgrades_Specification_Rev._1.pdf

COLLIER COUNTY NCRWTP NANOFILTRATION SYSTEM UPGRADES

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COLLIER COUNTY

NORTH COUNTY REGIONAL WATER TREATMENT PLANT

NANOFILTRATION SYSTEM UPGRADES

PART I GENERAL

1.01 GENERAL

A. This Section covers membrane elements to be supplied by the Membrane Element

Installer (INSTALLER) under contract to Collier County (COUNTY). The INSTALLER shall be a membrane system supplier and shall procure, ship, install and startup replacement elements for the first stage of the six (6) existing nanofiltration (NF) membrane trains at the North County Regional Water Treatment Plant (NCRWTP) as specified herein. The membrane element supplier (SUPPLIER) shall be under contract to the INSTALLER and shall manufacture and supply the replacement membrane elements.

B. The INSTALLER shall procure, fabricate, ship, install and startup replacement sample panels, valves. fittings and connecting tubing for each of the six existing NF membrane trains at the NCRWTP. The INSTALLER shall demolish existing sample panels and all contents (except the supports).

C. The membrane elements specified herein will be installed by the INSTALLER. The

INSTALLER will conduct a membrane performance test to determine conformance with these specifications and will coordinate potential warranty claims with the SUPPLIER.

D. The INSTALLER shall have installed membrane elements at a minimum of five municipal locations in Florida with a minimum production capacity of 3.0 mgd within the past five years.

E. The INSTALLER shall have fabricated, assembled and commissioned complete NF or reverse osmosis (RO) membrane trains at a minimum of three municipal locations within the United States with a minimum production capacity of 3.0 mgd within the past five years.

F. The proposed membrane elements shall be operating in at least three municipal locations in the United States with a minimum production capacity of 3.0 mgd for a minimum of five years.

G. The INSTALLER shall furnish to the COUNTY all certifications and warranties as specified herein.

H. Patents:

1. The INSTALLER shall warrant that the use of the membrane furnished membrane elements to be installed in the existing NCRWTP NF process will not infringe on any

U.S. or foreign patent recognized by the U.S.

2. The INSTALLER shall grant to the COUNTY in perpetuity a paid-up license to use any inventions covered by patent or patents pending, owned or controlled by the

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INSTALLER or SUPPLIER in the operation of the facility hereunder, without the right to grant sublicenses.

I. The membrane elements specified herein shall be the end product of one approved

SUPPLIER as called out in Section 2.03.A to achieve standardization of performance, operation, spare parts, maintenance and manufacturer’s service.

1.02 DESCRIPTION OF OVERALL TREATMENT PROCESS

A. The existing NCRWTP NF membrane system comprises six membrane trains. Each train contains 56 total pressure vessels with 32 pressure vessels in the first stage, 16 pressure vessels in the second stage, and 8 pressure vessels in the third stage. Each pressure vessel is capable of holding six (6) 8-inch diameter by 40-inch-long elements. A total of 192 first-stage membrane elements per train and 1,152 membrane elements total will be replaced under this specification.

B. The NF trains are located in the process room of the membrane building at the NCRWTP site. The existing membrane elements are Hydranautics ENSA1-LF2-LD membrane elements.

C. Groundwater from Tamiami Aquifer production wells is pumped to the NCRWTP. The well water from several wells is combined into a common supply line that receives pretreatment before entering the membrane trains.

D. Pretreatment processes include 5-micron cartridge filtration and chemical addition

(sulfuric acid and scale inhibitor). Pretreated water flows in a common pipeline to the membrane feed pumps.

E. Each membrane train has a dedicated membrane feed pump driven by a variable frequency drive (VFD), first-stage permeate throttling valve, and automatic concentrate control valve. Each train uses an interstage booster pump between the second and third stages driven by a VFD.

F. The trains are automatically controlled using a programmable logic controller (PLC) based control system. The individual stage permeate and concentrate flow rates (and thus, recovery) of each stage/train are controlled primarily by automatic adjustment of the first-stage permeate and concentrate flow control valves. The interstage booster pump VFD automatically adjusts to maintain third-stage permeate flow rate. The VFD on the membrane feed pump automatically adjusts to provide the flow and pressure necessary to maintain total permeate production requirements of the respective train.

G. Permeate from the NF trains is blended with permeate from four RO trains, degasified, chemically treated, stored, and pumped to distribution.

H. Concentrate from each membrane train is piped through a common line from the membrane building into a concentrate wet well under minimal pressure from which the concentrate is then pumped into an injection well.

1.03 MEMBRANE WARRANTY

A. Workmanship and Materials: The INSTALLER shall warrant that the membrane elements and accessories provided will be free from defects in material and workmanship

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under normal conditions and are free from liens and encumbrances. Should any defect in material and workmanship be discovered within one year from initial operation of the train (or 18 months from the delivery date, whichever comes first), the INSTALLER shall provide new replacement membrane elements on a prorated cost basis to restore performance to warranted levels at the design flux and recovery rate.

B. Guaranteed Membrane Element Performance: The INSTALLER shall warrant directly to the COUNTY that the provided membrane elements will meet the membrane element performance criteria (as described in Section 3.02 Membrane Element Performance

Criteria) for a period of one year from the date of Performance Acceptance Test

Completion with acceptable production (permeate quantity and quality) at the design flux and recovery rate for each train.

a. During the initial Performance Acceptance Testing period, the INSTALLER shall provide and install replacement membrane elements FOB to the NCRWTP site at no cost to the COUNTY to restore performance to warranted levels at the design flux and recovery rate specified.

b. After the Performance Acceptance Testing Period, but during the Warranty Period, the COUNTY’s cost for replacement of each warranted element shall be the membrane element unit cost (Item No. 1) listed in the attached Bid Schedule, FOB to the NCRWTP site minus a prorated rebate on the unrealized life of the anticipated minimum 5-year life. The prorated rebates shall be based on 1/60 of the cost per month for each month remaining in the 5-year anticipated element life period calculated from the end of the accepted performance test period. The COUNTY shall be responsible for installation labor.

c. It is understood that the COUNTY is obligated to operate the membrane system within critical operating criteria limits (submitted by the INSTALLER during the bid per Section 1.04.B.2)

1.04 SUBMITTALS

A. At the time of bid, the INSTALLER shall submit the following items in electronic PDF format:

1. The attached Bid Schedule/Checklist.

2. Five references of previous projects where the INSTALLER installed new or replacement membrane elements including contact names, phone numbers, and email addresses. Three of these references shall be for projects where the INSTALLER fabricated, assembled and commissioned complete NF/RO skids with a capacity greater than 3 mgd total capacity.

3. Installation list for the proposed membrane elements (or previous element model with explanation of changes included for the new model) that includes username, commissioning date, number of trains and total capacity. A minimum of three of the installations shall have reference contact names, phone numbers, and email addresses.

4. Cut-sheets and catalog data for the proposed membrane elements. Submitted information shall include model identification, pressure rating, membrane area, feed

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spacer thickness, and standard test conditions including test feed pressure, test feed solution information, average and minimum salt rejection and average permeate flow.

5. Computer design water quality membrane performance projections using the design feed water quality criteria specified in Table 1 and the NCRWTP NF system design, as specified herein. Projections shall be made for the first stage at 0 and 5 years of operation at the design flux and recovery.

6. NSF 61 approval certificate for the proposed membrane elements.

7. Certification letter from membrane manufacturer that the existing AWC A-111 scale inhibitor and melt-blown 5-micon nominal rated polypropylene cartridge filter media are appropriate for the provided membrane elements.

8. Provide warranty information including agreement with terms listed above.

B. Not required at bid time, but a minimum of one week before shipment of membrane elements to the NCRWTP site, the INSTALLER shall submit:

1. Standard operations and maintenance information including, installation instructions, cleaning procedures, and storage information. Include pH, temperature and exposure

(time) limits for chemical cleaning.

2. List all critical operating criteria limits including operating pressure, flow, temperature, pH, turbidity, and SDI limits.

3. List of cleaning chemicals that are compatible with the membrane elements provided.

The chemicals shall not be proprietary to a single chemical manufacturer. A list of acceptable proprietary chemicals and suppliers may be submitted as a supplement.

4. Date of element manufacture.

5. Wet test data for all of the membrane elements conducted at the Manufacturer’s standard conditions listed on the element data sheet that shows conformance with the criteria in Section 3.02 Membrane Element Performance Criteria.

6. Proposed custom loading schedule showing the pressure vessel and element position of each element serial number in the wet test data. The loading schedule shall include:

a. Average wet test rejection and flow data for the proposed element loading schedule by pressure vessel.

b. Balanced flow and rejection by vessel so that the average wet test rejection and flow for an individual pressure vessel is within 15 percent of the average for the stage in which the pressure vessel is installed.

PART II PRODUCTS

2.01 GENERAL

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A. All components that come into contact with drinking water or drinking water treatment chemicals shall be in conformance with American National Standards Institute

(ANSI)/NSF International (NSF) Standard 61.

B. The INSTALLER shall be responsible to provide identical membrane elements for each train and shall provide all components required for a membrane installation in the existing vessels as described herein.

2.02 SAMPLE PANELS

A. Demolish and remove existing sample panel and accessories as per guidance provided on the Drawings.

B. Provide one (1) sample panel board and all accessories for each NF train. The new sample panel board shall replace the existing one and shall be mounted on the existing support columns that are anchored to the floor. The look, feel and functionality of each sample panel will be comparable to the existing panels.

C. All mounting related hardware / accessories shall be Type 316 stainless steel materials

(nuts, bolts and washers as applicable; use suitable isolation gaskets to minimize galvanic corrosion if required).

D. Overall length and depth of the sample panel shall exactly match the existing sample panel dimensions (approx. 80” long x 35” deep) to ensure fit and compatibility with the existing configuration. Contractor shall field verify all dimensions before fabrication.

E. Sample panel board shall be constructed from white PVC (3/8” thick), mounted on existing supports. All corners and sharp edges of the board shall be beveled and made smooth to ensure operator safety. The panel will have a splash cover on the top as indicated on the Drawings. The panel board shall be fitted with sample valves and adequately plumbed to provide a fully functional sample panel for each of the six (6) NF trains (see Drawings). There shall be one sample valve for each of the following process streams:

1. Permeate for each pressure vessel (total of 56 pressure vessels per NF train; 40 valves in top row and balance 16 valve in lower row; refer to Drawings)

2. Total permeate (of all 3 stages)

3. Stage 1 permeate

4. Stage 2 permeate

5. Stage 3 permeate

6. Stage 1 feed

7. Stage 2 feed

8. Stage 3 feed

9. Total concentrate

F. Permeate sample valves:

1. Permeate valves shall be 1/4-turn plug valves, 1/4-inch size, NUPRO / Swagelok

(part # SS-4P4TS), or equal. These apply to permeate sample lines from each

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pressure vessel as well as to permeate samples drawn from process pipelines associated with 1st, 2nd, 3rd stage permeate of each NF train. Each valve shall have a

Type 316 stainless steel discharge spout. Refer to Drawings for details.

2. Valve working pressure rating of at least 100 psig and burst pressure rating minimum of 200 psig at 77oF water temperature. All associated tubing and fittings will also be rated for these pressure requirements.

G. Feed, interstage and concentrate sample valves:

1. Valves shall be 1/4-turn plug valves, 1/4-inch size, 316 stainless steel, NUPRO /

Swagelok (part # SS-4P4TS), or equal. Each valve shall have a Type 316 stainless steel discharge spout. Refer to Drawings for details.

2. Valve working pressure rating of at least 200 psig and burst pressure rating minimum of 300 psig at 77oF water temperature. All associated fittings will also be rated for these pressure requirements (no plastic fittings shall be used).

H. Each sample valve will have a description tag, located immediately above the valve.

INSTALLER will match the look and feel of existing valve tagging which uses white colored tag numbers embossed on blue colored plastic strip. Existing configuration of valve placement and tags is shown on the Drawings. INSTALLER can propose similar or better (contingent upon review and approval by COUNTY).

I. As shown on the drawings, each sample panel will have two rows of valves. Vertical spacing between the two rows will be similar to existing. Each row shall have its own trough that will match the dimensions of existing trough. The bottom face of each trough will be slightly sloped along length and width to ensure that sample water is quickly and fully drained out the drain on the backside of each trough. Existing drainpipe and connections shall be replaced with new PVC pipe (color white; see drawings). Drainpipe diameter will match existing (approx. 2” – to be field verified by contractor).

J. The troughs will be of the same color and material (3/8” thick PVC) as the proposed panel board. Clearance between two troughs on a panel will be same as that of the existing setup. Each trough will be anchored to the panel board in such a way so as to give a monolithic and seamless appearance. Welding shall be used to anchor the trough to panel (glue shall not be used). Anchoring will be strong enough to hold a trough full of water and no leakages shall occur. Corners and sharp edges of trough shall be beveled and made smooth to ensure operator safety.

K. Bulkhead fittings connecting tubing and valves to the panels shall be 1/4-inch Type 316 stainless steel with plastic tube inserts, Swagelok or equal. Provide Type 316 stainless steel 90-degree elbows between the bulkhead fittings and valves to orient the valves in the vertical position as shown in the Drawings.

L. New sample tubing shall be 1/4-inch OD (same as existing). High pressure tubing (for non-permeate samples) shall have a minimum working pressure of 250 psi at 77oF water temperature. Low pressure tubing (for permeate) shall have a minimum working pressure of 150 psi at 77oF water temperature. Sample tubing shall be black in color. Tubing

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material shall all be of nylon material. Tubing shall be manufactured by Parker, Swagelok, Imperial Eastman, or equal.

M. Add labels on each sample tube (4-5 inches from both the permeate and sample panel ends). Label to indicate vessel number and sample type similar to the existing labels.

N. All sample lines, except permeate from individual pressure vessels, shall be isolated at the source with a PVC ball valve (Asahi, Parker or equal) for the low-pressure piping and

316SS ball valves for the high- pressure piping.

O. Sample tubing shall be neatly bundled from the areas near the sampling points to the sample board.

P. All threaded connections will use Teflon tape to minimize leakage and INSTALLER shall apply good engineering / plumbing practices.

Q. In case of conflict in Specification language here and/or instructions on the Drawings, INSTALLER will bring to the attention of COUNTY for resolution.

2.03 MEMBRANE ELEMENTS

A. The membrane elements shall be thin film composite and be from the listed standard commercial products of a Manufacturer that has supplied membrane elements that have been operating for a minimum of 5 years in at least three municipal installations within the state of Florida with a minimum capacity of 3.0 mgd. The membrane elements shall be one of the following manufacturers/membrane element types (listed in alphabetical order).

1. Dupont/FilmTec (NF90-400)

2. Nitto/Hydranautics (ESPA4-LD)

3. Toray (TMH20A-400C)

4. Veolia (AL-400)

B. Nominal 8-inch diameter membrane elements shall be designed to be loaded into 8-inch

(nominal) diameter pressure vessels capable of holding six nominal 8-inch diameter x 40-inch-long elements and meet the following criteria.

1. The membrane elements shall be spiral wound with the feed and concentrate flow through the element parallel to the central product water tube of the element. Each element shall have nominal dimensions of 8 inches in diameter and 40 inches in length. Elements shall be designed to operate at pressures up to 300 psig minimum.

The membrane elements shall be complete with other components provided by the

INSTALLER including brine seals, interconnectors, O-rings, spacers (shims), end adapters and other hardware necessary to make the membrane fully compatible with the existing Protec pressure vessels. The brine seal and O-rings shall be made of ethylene propylene rubber. The membrane element shall have a fiberglass reinforced plastic outer wrap.

2. The active membrane area of each membrane element shall be 400 square feet.

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3. The membrane elements shall have a nominal feed-concentrate channel spacer with a thickness of 28 mils or greater.

4. The membrane elements including interconnectors, end connectors, O-rings and seals must be NSF 61 certified in accordance with Section 62-555.320 of the Florida

Administrative Code.

2.04 MEMBRANE ELEMENT INTEGRATION

A. The INSTALLER shall be responsible to provide membrane elements for the 32 first stage 6M vessels of the six (6) trains plus six (6) uninstalled spares (1,158 elements total). Each train has a total permeate capacity (all three stages) of 2,000,000 gallons per day.

B. The proposed membrane elements shall be installed in the existing NCRWTP membrane system with the following design features:

1. Six trains each with 56 “6M” 8-inch diameter pressure vessels, 2.0 mgd permeate capacity each (12.0 mgd total permeate)

2. The trains are configured to act independently of each other.

3. First-stage average flux shall be 16.9 gallons per square foot per day (gfd) with a corresponding flow of 900 gpm.

4. The membrane feed pump VFDs will be controlled by the plant PLC system to maintain the minimum required flow and pressure (up to a design maximum feed pressure of 190 psi) to meet final permeate production.

5. The concentrate flow from each train (and therefore recovery) will be controlled by the concentrate flow control valve located on each train. First stage recovery at startup shall be 58.3 percent (900 gpm permeate flow with a feed flow of 1,544 gpm).

6. Raw water parameters and permeate water quality shall conform to the values specified in Table 1. It may be assumed that AWC A-111 antiscalant with sulfuric acid will be fed to the raw water as membrane pretreatment.

7. Each train shall have an overall design recovery of 90 percent.

8. Maximum residual concentrate pressure needed for disposal is 5 psi.

9. The system will operate using a hybrid membrane configuration with the new membrane elements in the first stage and the existing Nitto/Hydranautics ESNA1-

LF2-LD elements in the second and third stages to meet the water quality and flux balancing goals of the County.

10. First stage permeate throttling is acceptable in order to meet the flux balancing requirements of this specification.

11. Third-stage feed pressure boost may be used to balance/control third-stage flux rate

(up to 30 psi of boost pressure at 315 gpm).

12. Total permeate pressure – 18 psi

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PART III EXECUTION

3.01 GENERAL

A. The INSTALLER shall deliver FOB to the NCWRTP site the specified number of elements and accessories. Delivery schedule shall be coordinated with the COUNTY in advance of shipment.

B. COUNTY will support the offload of membrane elements, panels and accessories from the delivery truck under the supervision of an INSTALLER representative. The

INSTALLER representative shall confirm delivery contents, accept delivery and confirm storage location is appropriate. The COUNTY assumes no responsibility aside from proper handling during offloading.

C. Indicate in writing on the labeling of the box that the membranes are shipped wet and if appropriate, what type of preservative is used.

D. Membrane elements shall not be manufactured more than 6 months prior to delivery to the NCRWTP site. Membrane elements shall not be delivered more than 1 month prior to beginning membrane installation within the first train.

E. The COUNTY may purchase additional spare membrane elements on an as-needed basis

FOB to the NCWRTP site at any time over the one-year contract period at the membrane element unit cost listed in Item No.1 of the Bid Form.

F. The membrane elements provided under this Specification shall be complete and operable in all respects including, but not limited to, accessories such as permeate interconnectors, end adapters and brine seals suitable for installation in the existing nominal 8-inch diameter “6M” pressure vessels.

G. The Installer shall provide six (6) uninstalled spare membrane elements with end adapters, interconnectors, brine seals and O-rings.

H. The INSTALLER shall provide all equipment and supplies (i.e. scaffolding, scissor lift, seal lubricant, spare O-rings) required to install the membrane elements and sample panels. The existing grating over the pipe gallery on the west side of the NF trains is not rated to support a lift (see Drawings).

I. Before membrane loading, the INSTALLER shall clean, disinfect, and flush the first-stage pressure vessels.

J. The first-stage of the NF trains shall be flushed to waste to meet the NSF 61 approval and bacteriological testing requirements of the membrane elements using the existing CIP system. The COUNTY will support the INSTALLER during flushing including providing unchlorinated permeate for flushing, operating the CIP system and installing a hose to the concentrate wet well for permeate disposal.

K. Bacteriological tests on the first-stage permeate of each NF train must show absence of coliforms on consecutive days per Florida Department of Environmental Protection rules before placing each train into operation and starting the performance test. County will sample and analyze the required bacteriological samples. The INSTALLER shall provide

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any equipment or chemicals need to support timely passing of bacteriological tests beyond flushing.

L. The INSTALLER shall completely replace, flush, bacteriological test with negative results, startup and operate for a minimum of two hours the membrane elements and sample panels within one NF train before starting the replacement of the next train. No more than one week shall elapse between the completed performance test of one train and the membrane loading of the next train. The Performance Acceptance Test for the train may be completed while loading the next NF train.

M. The INSTALLER shall dispose of membrane elements and packaging into an

INSTALLER provided dumpster.

3.02 MEMBRANE ELEMENT PERFORMANCE CRITERIA

A. Feed pressure shall be within 10 psi of the projected 0-year design water quality membrane performance projection.

B. First stage startup differential pressure shall be less than 25 psi.

C. First-stage permeate water quality that meets the permeate water quality criteria specified in Table 1 during the 1-year warranty period.

D. When tested under the Manufacturer’s published standard test conditions, each individual membrane element shall have a rejection equal to or better than the minimum rejection specified in the membrane element’s product bulletin and shall have permeate flow as stated in the membrane element’s product bulletin for average productivity plus or minus

20 percent. The average rejection and productivity of all supplied membrane elements shall meet or exceed average specifications published in the standard membrane element’s product bulletin when tested at standard test conditions. This will be confirmed using the provided wet test data in Section 1.04.B.

3.03 PERFORMANCE TESTING

E. The INSTALLER shall conduct a 48-hour Performance Acceptance Test upon initial startup of each membrane train fitted with replacement elements. Conformance with this specification will be determined by the following:

1. The INSTALLER shall measure the actual startup first stage feed pressure, differential pressure, permeate pressure, and first stage feed/permeate conductivity, total hardness and color when operating the NF train first stage at the design first-stage permeate flow and recovery after reaching steady state performance after a minimum of 48 hours of operation when first-stage conductivity, pressures, and flows have stabilized. First stage permeate pressure and second and third stage flow will be adjusted to maintain first stage design flow and recovery setpoints during the performance test.

2. The INSTALLER shall conduct pressure vessel permeate conductivity profiling of the membrane trains during preliminary flushing and initial operation of the membrane trains. If the first stage permeate conductivity of an individual pressure vessel is greater than 20 percent higher than the average permeate conductivity for the

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first stage, the INSTALLER shall probe the vessel to find the location of the high conductivity source. The INSTALLER shall replace o-rings or membrane elements at no charge to the COUNTY until the vessel meets this specification.

3. After 48 hours of operation, the INSTALLER shall confirm compliance of the new membrane elements with the Membrane Element Performance Criteria listed in

Section 3.02 above.

4. If the membrane elements are non-compliant:

a. The COUNTY will conduct feed water quality analyses for the parameters listed in Table 1.

b. The INSTALLER will run startup membrane performance projections using the actual feed water quality measured during the performance test when operating at design permeate and concentrate flows.

c. The INSTALLER will calculating the adjusted startup first-stage feed pressure by multiplying the actual startup feed pressure by the ratio of the projected feed pressures from the 1) startup water quality membrane performance projection and the 2) 0-year design water quality membrane performance projection included in the bid submittal.

d. Calculate the adjusted first-stage permeate water quality by multiplying the actual startup permeate water quality by the ratio of the projected total permeate water qualities from the 1) startup water quality membrane performance projection and the 2) 0-year design water quality membrane performance projections included in the submittal.

5. Non-compliance with adjusted startup first-stage feed pressure, first-stage startup differential pressure, and/or adjusted first-stage permeate water quality limits will result in a warranty claim unless evidence of particulate fouling (i.e. sand) is visually evident in the lead element of the first stage.

6. The INSTALLER shall provide new replacement membrane elements at no cost FOB to the NCRWTP site to restore performance to adjusted performance levels at the required first-stage flows and permeate quality.

F. The COUNTY will analyze within their on-site laboratory the first-stage Permeate for

Total Hardness and Color to confirm compliance with this specification.

G. In the case of a nonconforming elements, the COUNTY may at its option, withhold final payment to the INSTALLER until the elements are conforming. If final payment is made with the elements specified herein classified as nonconforming, the provisions of the warranty sections of this Specification shall be in effect, except that the 1-year warranty period shall not commence until the non-conforming elements have been corrected.

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TABLE 1: NCRWTP FEED WATER AND PERMEATE QUALITY CRITERIA

Constituent Design Feed

Analysis a

Permeate Quality

Criteria

Calcium, mg/L 99

Magnesium, mg/L 19

Sodium, mg/L 51

Potassium, mg/L 5.0

Strontium, mg/L 0.6

Barium, mg/L 0.014

Bicarbonate, mg/L 395

Sulfate, mg/L 32

Chloride, mg/L 62

Nitrate, mg/L as N 0.0

Fluoride, mg/L 0.3

Silica, mg/L Reactive 20

TDS, mg/L 483 pH, units 7.2

Temperature, Celsius 25.5

Total Hardness, mg/L as CaCO3 326 < 12

Total Alkalinity, mg/L as CaCO3 324

True Color, PCU 20 < 5

Hydrogen Sulfide, mg/L b > 1.0

Turbidity, NTU b < 0.5

SDI b < 3.0 a Raw water before sulfuric acid and scale inhibitor addition and cartridge filtration b Parameter analysis not required by INSTALLER for performance testing

END OF SECTION