You are required to develop a rough draft for your Final Lab Report, which covers all three experiments from the Week Two Lab assignment “Lab 2: Water Quality and Contamination.” This rough draft must also be reviewed using the Grammarly tool from the Wri

Lab 2 – Water Quality and Contamination

Experiment 1: Effects of Groundwater Contamination

Table 1: Water Observations (Smell, Color, Etc.)
Beaker	Observations
1	Clear no smell
2	100 ml Cloudy with bubbles at the top no smell
3	100 ml Clear with smell of vinegar
4	100 ml White in color smell of soap
5	90 ml clear no smell
6	80 clear no smell
7	80 ml clear oil at the top with particles sinking to bottom
8	90 ml grey with particles at the bottom no smell

POST LAB QUESTIONS

1. Develop hypotheses on the ability of oil, vinegar, and laundry detergent to contaminate groundwater.

a. Oil hypothesis = groundwater is mixed with oil, there will be slight contaminations.

b. Vinegar hypothesis = groundwater is mixed with vinegar, then it will becontaminated

c. Laundry detergent hypothesis = groundwater is mixed with detergent soap,then it will be contaminated

2. Based on the results of your experiment, would you reject or accept each hypothesis that you produced in question 1? Explain how you determined this.

a. Oil hypothesis accept/reject = the oil was floating at the top so it didnt contaminate

b. Vinegar hypothesis accept/reject = it was accepted including the smell

c. Laundry detergent hypothesis accept/reject = accepted the soap mixed in with the water

3. What effect did each of the contaminants have on the water in the experiment? Which contaminant seemed to have the most potent effect on the water?

Answer = Oil has the most potent effect on the water. When vinegar and laundry detergent passed the soil, it does not leave much effect on the groundwater However, since oil is thick, it wasn’t able to seep through the soil, making it more capable of mixing with the groundwater which can lead to contamination.

4. Using at least one scholarly source; discuss the potential effect of each contaminant (oil, vinegar, and detergent) on the town’s water source and the people who drank the water.

Answer = “Contemporary Environmental Issues” by Jon Turk and Terrence Bensel states that a lot of health threats can be caused by water contaminated by chemicals. Toxins andbacteria coming from contaminated water supplies can result and disease and evenlife loss of people who will drink it.

5. Describe what type of human activity would cause contaminants like oil, acid, and detergents to flow into the water supply. Additionally, what other items within your house do you believe could contaminate the water supply if you were to dump them onto the ground?

Answer = using any kind of pesticide or cleaning supplies outside can cause the chemical to leak into the soil. Also thigs going down the pipes in the house can lead to contamination

Experiment 2: Water Treatment

POST LAB QUESTIONS

1. Develop a hypothesis on the ability of your filtration technique to remove contaminants.

Hypothesis = Different coagulants and materials with specific amount of alkalinity can decontaminate the water from its contaminants

2. Based on the results of your experiment, would you reject or accept the hypothesis that you produced in question 1? Explain how you determined this.

Accept/Reject = Accept. The coagulants were able to separate the water from the contaminating chemicals, making it somehow free from harmful contaminants. It is however still unsafe to drink

3. What are the differences in color, smell, visibility, and so forth between the “contaminated” water and the “treated” water?

Answer = the treated water looked clearer. The contaminated water had a greyish toblackish color. There are no differences in smell as both samples do not have anyparticular smell.

4. From the introduction to this lab, you know that there are typically five steps involved in the water treatment process. Identify the processes (e.g., coagulation) that were used in this lab. Additionally describe how each of the processes were performed in this lab.

Answer = Screening – This is where the separation of the water and soil occurs.

Coagulation – This is where the separation of dirt from water takes place. Sedimentation – This is where the large particles are separated from the water. Filtration – Water is filtered as it passes through layers of gravel and charcoal. Disinfection – Decontamination happens

Experiment 3: Drinking Water Quality

Table 2: Ammonia Test Results
Water Sample	Test Results
Tap Water
Dasani® Bottled Water
Fiji® Bottled Water

Table 3: Chloride Test Results
Water Sample	Test Results
Tap Water
Dasani® Bottled Water
Fiji® Bottled Water

Table 4: 4 in 1 Test Results
Water Sample	pH	Total Alkalinity	Total Chlorine	Total Hardness
Tap Water	7	40	1	50
Dasani® Bottled Water	3	40	.2	50
Fiji® Bottled Water	9	80	10	120

Table 5: Phosphate Test Results
Water Sample	Test Results
Tap Water	10
Dasani® Bottled Water	10
Fiji® Bottled Water	50

Table 6: Iron Test Results
Water Sample	Test Results
Tap Water	.15
Dasani® Bottled Water	1
Fiji® Bottled Water	.15

POST LAB QUESTIONS

1. Develop a hypothesis on which water source you believe will contain the most and least chemical components.

Hypothesis = The tap water (underground spring) and Dasani water (factory treated) samples have the least contaminants compared to Fiji water (natural spring) which has quite a large amount of contaminant.

2. Based on the results of your experiment, would you reject or accept the hypothesis that you produced in question 1? Explain how you determined this.

Accept/reject = I would say it was accepted sometimes things they put into the things to treat them contaminate them even more

3. Based on the results of your experiment, what major differences, if any, do you notice between the Dasani, Fiji, and tap water?

Answer = to me there’s really not much of a difference in any of the different water the tastes are a bit different but even that theres not much of a difference

4. Based on your results, do you believe that bottled water is worth the price? Why or why not?

Answer = to me I think its overpriced but some of the mental aspects it has on people make up for it. I mean some people will only drink bottled or filtered water through a filtration system regardless so as a business charge what you want

*NOTE – Do not forget to go to Lab 3: Biodiversity, and complete “Experiment 1: Diversity of Plants” steps 1 through 6. Steps 1 through 6 need to be completed in order to be prepared for Week Three, however, results for this experiment will not be calculated until next week. Thus, while nothing is to be handed in for this experiment until the end of Week Three you must plant the seeds this week to ensure that you can complete week 3 on time.

References

Any sources utilized should be listed here.