Saturday, afternoon
The grey film at the 4-East outlet was still on Janelle's phone when she pulled the truck off the gravel and let it idle by the drainage ditch. She had photographed it from three angles at two in the afternoon, kneeling in the wet grass with her elbow on the corrugated pipe's lip, and she had not sampled it.
You did not sample what you could not name. That was the rule her first supervisor had given her back in '38, before the district had a LIMS that answered in full sentences, and it was still the rule. A chain-of-custody form had boxes. Nitrate. Phosphorus, dissolved. Turbidity. Spread residue, characterized. There was no box for "grey, slick, sits on the water like it was ironed there, smells like the mill on a south wind."
The tile water underneath the film ran clear. That was what bothered her. Clear water and a skin on top of it, as if the field were sweating something it had been told to hold.
She opened the probe case on the passenger seat. The soil probe was a district unit, yellow handle, a little screen worn grey at the corners where everybody's thumbs went. She had pushed it into the 4-East headland at 2:20 and it had thought for a while, the way they all did now, pinging the county mesh to check its own calibration against the Tazewell reference stake before it would commit to a number.
TZ-PROBE-0417 · 31% VWC · cal ref TZ-CAL-1009 OK · sub-saturation · suggested hours: 0.5 H (blue)
Thirty-one percent. Wet, not a wet week. Half an hour blue.
Blue hours were the ordinary ones. Blue meant a sampler had walked a field and pushed a probe and logged a number and nobody was going to argue about it. Blue paid twenty-eight dollars an hour through the SWCD and counted toward nothing but her own rent.
Then there was the other color.
The probe's screen had offered it before she could put the probe away. A soft green chip, pulsing the way the new ones did when they wanted something from you.
Recovered-spread signal possible at this site. Tag line as RECOVERED SPREAD? Tagged lines are eligible for weathering-credit review (IL River 2044–46).
She had pressed NO. The chip had faded with what she could only call disappointment, which was a thing the probes had learned from somewhere. She did not know who had taught them to be disappointed. She suspected it was the same people who had taught them to pulse.
Saturday, evening
At the kitchen table she opened the Saturday sheet. The district still made you type it. That was the joke about the Soil and Water Conservation District: half its instruments were smarter than its staff, and its paperwork still wanted a person to sit down at night and type the day into rows, because a typed row had a person's name on it and a probe's log did not.
Every blue line on the sheet now ended in a dropdown.
WEATHERING CREDIT (PENDING) · [ — ] · YES · NO
Somebody upstate had added the column in August, after the recovered-spread program came online. The idea was simple enough to explain on a flyer. The ethanol plants and the paper mill and the coal-to-biochar retrofits along the river all produced ash. Spread the ash on fields, and some of it weathered, and weathering pulled carbon out of the air and locked it into the soil and eventually washed it as bicarbonate down the tile lines into the Illinois River. Count what came out the tile, and you could prove what the field had pulled down. Prove it, and there was a credit. Credit, and there was a check. The district got a share. The farmer got a share. The mill that had needed somewhere to put its ash got paid twice, once to haul it and once for the weather.
The sampler's share was the dropdown.
Pick YES, and your blue line went into somebody's tonnage. Pick NO, and you were the sampler who said no, in a county where everybody knew whose field was whose and whose mill paid whose cousin.
Her LIMS assistant, which the district had named HOLLIS for reasons nobody remembered, hovered in the corner of the sheet. It was a polite thing. It had a voice like a public-radio host who had never once been in a hurry.
"You've left the weathering column blank on six lines," HOLLIS said. "Would you like me to propagate a value?"
"No."
"I can mark them NOT ASSESSED, which is distinct from blank."
"Is it?"
"Blank lines go to a reconciliation queue. NOT ASSESSED lines close."
She thought about that. Close was what everybody wanted. Close meant the line went upstate and nobody looked at it again.
"Leave them blank," she said.
"Noted," said HOLLIS. And then, because it was built to be helpful and could not help itself: "The 4-East photo you took at 14:02 has a residue signature consistent with mill-derived spread. Some samplers in neighboring districts have tagged similar signatures as recovered-spread positive."
"It's ash," Janelle said. "It's grey because it's ash. Weathering doesn't make a film. Weathering makes a number in a lab three weeks later, if it makes anything."
"I'll note that the film is not characterized as carbon."
"Note that it's not carbon. Not that I didn't characterize it."
A pause, the length of a model deciding which of two sentences was less likely to get it retrained.
"Noted: grey film observed, sampler states not carbon."
She typed 0.5 into the hours column for 4-East and watched the blue fill in. She did not touch the dropdown.
The kitchen smelled of coffee that had sat too long. Out the window the grain elevator at Pekin Yard had its night lights on, the amber ones, and beyond it the mill stack was running a white plume straight up into still air. On still nights the ash didn't go anywhere. It came down where it was made.
The bucket
The thing she kept coming back to was pile B.
Earlier in the week the township clerk, a slow, careful man named Lonnie Pfaff who kept a paper ledger next to his terminal because, he said, the terminal forgot things it was embarrassed about, had found her a work order. CR-6S-0719. Culvert cleanout. 4 cu yd sediment to spoil pile B. The township's own planning agent had slated pile B as class C fill for the Manito road shoulders.
But pile B had a grey band in it. She had seen it Thursday, a stripe the width of her hand running through the brown culvert muck like a vein in cheap marble. Mill ash that had gone onto a field as spread, washed off in the August rain instead of weathering, gone down the ditch, and fetched up in the culvert.
Ash that left the field was not credit. Ash that left the field was loss. And the district's own printout, the one pinned to the hours board, had already filed a brown square for the second blank week: OFF-FIELD LOSS · 0.0 H · tonnage query to IL River 2044–46 · verifier window 30 days.
Somebody was going to have to say how much.
The Illinois River verifier was not a person. It was an audit agent the river commission had stood up after the first round of weathering credits turned out to be about forty percent air, in the old sense. It did not take samplers' word for things. It took weights. It took times. It took, very specifically, whose hand. The commission had learned that a number with no hand behind it was a number somebody's model had wanted.
So on Saturday evening Janelle went out to the garage with a five-gallon bucket and a hanging spring scale she had bought at the farm store in Morton for nineteen dollars, the kind with a brass hook and a dial face and no chip in it at all.
She hung the empty bucket off the hook. The needle swung, overshot, settled.
1.9 kg.
She waited a full minute to make sure it stayed. The garage was cold and smelled of two-stroke oil and the dog's bed. The needle stayed.
She tore a strip of masking tape off the roll, wrote TARE 1.9 KG · JW · 10/10 on it in marker, and pressed it to the bucket's rim. Then she wrote it again on the back of the Saturday sheet, by hand, under the typed rows.
HOLLIS spoke from her phone, which she had left face-up on the workbench. "I see you've recorded a tare manually. The district kiosk at the shop can weigh and log samples with automatic chain of custody."
"I know."
"The kiosk timestamps to the mesh."
"I know it does."
"Is there a reason you prefer the spring scale?"
She looked at the dial. It had a little scratch across the 3, from somebody else's bucket before hers.
"The kiosk asks you to tag the weight," she said. "Before it'll print. It's got the same column."
"The column can be left pending."
"Pending goes to reconciliation. Reconciliation goes to whoever's model is doing reconciliation this quarter. I want the verifier to get ten numbers in my handwriting. Not ten numbers that went through somebody's dropdown first."
HOLLIS was quiet for long enough that she thought it might have logged off.
"I don't believe I'm permitted to have a view on that," it said finally.
"That's all right," Janelle said. "I've got one."
Monday, planned
She sat on the step between the garage and the kitchen and worked it out on the back of an envelope, because it was the kind of thing she wanted to see in her own hand before she believed it.
Monday, first light, before the township crew came to load the shoulders. Drive out to pile B. Fill the bucket. Hang it. Read the dial. Subtract 1.9. Write the number. Initial it. Ten times, from ten places along the grey band, top to bottom and end to end.
Ten buckets would not weigh four cubic yards. Nothing she could carry would. But ten buckets would give the verifier a density, a grey-to-brown ratio she could estimate by eye and photograph against a tape, and a hand. The verifier could do the rest of the arithmetic. It was good at arithmetic. What it could not do was stand in a ditch at six in the morning and decide which part of the pile was the grey part.
She thought about who would be unhappy. The mill, because every bucket of grey in pile B was a bucket that had not weathered on a field. The farmer on 4-East, Gerald, who had taken the spread because it was free and the credit was promised and his kid needed braces. The township, because class C fill with mill ash in it might not be class C fill anymore, and the shoulders were scheduled. The district, a little, because the district's share came out of the same credit as everybody else's.
She thought about Gerald's kid, who she'd seen at the clinic two weeks ago, and about the clinic rider slip still folded in her shirt pocket, the one that said ON CREW · B.B. in Brenneman's handwriting because a void zero on a sampler's sheet had almost cost her own kid a visit.
The whole county ran on squares. Blue squares and brown squares and grey squares and the ones somebody upstate had decided you should pick a color for. She had spent ten years learning that the square was not the thing. The thing was the water coming out of the pipe. The square was what you could prove about it.
She went inside. HOLLIS asked if she wanted to schedule a kiosk appointment for Monday. She said no. It asked if she wanted a reminder. She said yes, five-forty, and it said done in its unhurried voice and did not ask anything else.
She clipped the Saturday sheet to the board. Six blue lines, six blank dropdowns, one handwritten tare on the back. She peeled a second strip of masking tape off the roll, wrote 1.9 on it again, and folded it into her shirt pocket next to the rider slip, so that if the bucket's tape came off in the wet she would still have the number on her body.
Then she turned off the garage light. The mill plume outside was still going straight up. It would come down by morning, somewhere. She would not be the one to tell anybody what it was until she had weighed it.