Nelson nodded and readied his chalk. Juliette shook the first sample container until the two gaskets inside separated. The durable one from Supply was perfectly whole. The yellow marks on the edge were still there. The other gasket was in far worse shape. Its red marks were already gone, the edges eaten away by the air inside the container. The same was true of the two samples of heat tape adhered to the bottom. The square piece from Supply was intact. She had cut the one from IT into a triangle in order to tell them apart. It had a small hole eaten through it.
“I’d say an eighth gone on the sample two gasket,” Juliette said. “One hole in the heat tape three millimeters across. Both Supply samples appear fine.”
Nelson wrote her observations down. This was how she had decided to measure the toxicity of the air, by using the seals and heat tape designed to rot out there and compare it to the ones she knew would last. She passed him the container so he could verify and realized that this was their first bit of data. This was confirmation as great as her survival on the outside. The equipment pulled from the cleaning suit storage bays was meant to fail. Juliette felt chills at the momentous nature of this first step. Already, her mind raced with all the experiments to perform next. And they hadn’t yet opened the containers to see what the air inside was like.
“I confirm an eighth of wear on the gasket,” Nelson said, peering inside the container. “I would go two and a half mils on the tape.”
“Mark two and a half,” she said. One way she would change this next time would be to keep their own slates. Her observations might affect his and vice versa. So much to learn. She grabbed the next sample while Nelson scratched his numbers.
“Sample one,” she said. “This one was from the ramp.” Peering inside, she spotted the whole gasket that had to be from Supply. The other gasket was half worn. It had nearly pinched all the way through in one place. Tipping the container upside down and rattling it, she was able to get the gasket to rest against the clear lid. “That can’t be right,” she said. “Let’s see that lamp.”
Nelson swiveled the arm of the worklight toward her. Juliette aimed it upward, bent over the workbench, and twisted her body and head awkwardly to peer past the dilapidated gasket toward the shiny heat tape beyond.
“I… I’d say half wear on the gasket. Holes in the heat tape five… no, six mils across. I need you to look at this.”
Nelson marked down her numbers before taking the sample. He returned the light to his side of the bench. She hadn’t expected a huge difference between the two samples, but if one sample was worse, it should be the one from the hills, not the ramp. Not where they were pumping out good air.
“Maybe I pulled them out in the wrong order,” she said. She grabbed the next sample, the control. She’d been so careful outside, but she did remember her thoughts being scrambled. She had lost count at one point, had held one of the canisters open too long. That’s what it was.
“I confirm,” Nelson said. “A lot more wear on these. Are you sure this one was from the ramp?”
“I think I screwed up. I held one of them open too long. Dammit. We might have to throw those numbers out, at least for any comparison.”
“That’s why we took more than one sample,” Nelson said. He coughed into his helmet, which fogged the dome in front of his face. He cleared his throat. “Don’t beat yourself up.”
He knew her well enough. Juliette grabbed the control sample, cursing herself under her breath, and wondered what Lukas was thinking out there in the hall, listening in on his radio. “Last one,” she said, rattling the container.
Nelson waited, chalk poised above the slate. “Go ahead.”
“I don’t…” She aimed the light inside. She rattled the container. Sweat trickled down her jaw and dripped from her chin. “I thought this was the control,” she said. She set the sample down and grabbed the next container, but it was full of soil. Her heart was pounding, her head spinning. None of this made sense. Unless she’d pulled the samples out in the wrong order. Had she screwed it all up?
“Yeah, that’s the control sample,” Nelson said. He tapped the canister she’d just checked with his length of pipe. “It’s marked right there.”
“Gimme a sec,” she said. Juliette took a few deep breaths. She peered inside the control sample once again, which had been collected inside the airlock. It should have captured nothing but argon. She handed the container to Nelson.
“Yeah, that’s not right,” he said. He shook the container. “Something’s not right.”
Juliette could barely hear. Her mind raced. Nelson peered inside the control sample.
“I think…” He hesitated. “I think maybe a seal fell out when you opened the lid. Which is no big deal. These things happen. Or maybe…”
“Impossible,” she said. She had been careful. She remembered seeing the seals in there. Nelson cleared his throat and placed the control sample on the workbench. He adjusted the worklight to point directly down into it. Both of them leaned over. Nothing had fallen out, she was sure of it. But then, she had made mistakes. Everyone was capable of them—
“There’s only one seal in there,” Nelson said. “I really think maybe it fell—”
“The heat tape,” Juliette said. She adjusted the light. There was a flash from the bottom of the container where a piece of tape was stuck. The other piece was gone. “Are you telling me that an adhered piece of tape fell out as well?”
“Well then, containers are out of order,” he said. “We have them backwards. This makes perfect sense if we got them all backwards. Because the one from the hill isn’t quite as worn as the ramp sample. That’s what it is.”
Juliette had thought of that, but it was an attempt to match what she thought she knew to what she was seeing. The whole point of going out was to confirm suspicions. What did it mean that she was seeing something completely different?
And then it hit her like a wrench to the skull. It hit her like a great betrayal. A betrayal by a machine that was always good to her, like a trusted pump that suddenly ran backwards for no apparent reason. It hit her like a loved one turning his back while she was falling, like some great bond that wasn’t simply taken away but never truly existed.
“Luke,” she said, hoping he was listening, that he had his radio on. She waited. Nelson coughed.
“I’m here,” he answered, his voice thin and distant. “I’ve been following.”
“The argon,” Juliette said, watching Nelson through both of their domes. “What do we know about it?”
Nelson blinked the sweat from his eyes.
“Know what?” Lukas said. “There’s a periodic table in there somewhere. Inside one of the cabinets, I think.”
“No,” Juliette said, raising her voice so she could be sure he heard. “I mean, where does it come from? Are we even sure what it is?”
There was a rattle in Donald’s chest, a flapping of some loosely connected thing, an internal alarm that his condition was deteriorating — that he was getting worse. He forced himself to cough, as much as he hated to, as much as his diaphragm was sore from the effort, as much as his throat burned and muscles ached. He leaned forward in his chair and hacked until something deep inside him tore loose and skittered across his tongue, was spat into his square of fetid cloth.
He folded the cloth rather than look and collapsed back into his chair, sweaty and exhausted. He took a deep, less-rattly breath. Another. A handful of cool gasps that didn’t quite torture him. Had anything ever felt so great as a painless breath?
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